Publications

ZORA Publication List

Publications

2024

• 2024

  • Journal Article

    • Striedl, Philipp (2024). Forest: 0 or 1? Interdisciplinary challenges and methods for the classification of landscape data. JournaLIPP, 9:77-98.
2023

• 2023

  • Journal Article

    • Hartmann, Maximilian C; Purves, Ross S (2023). Seeing through a new lens: exploring the potential of city walking tour videos for urban analytics. International Journal of Digital Earth, 16(1):2555-2573.
    • Komossa, Franziska; Marino, Daniela; Michel, Annina Helena; Purves, Ross S (2023). Find the one you like! Profiling Swiss parks with user generated content. Journal of Outdoor Recreation and Tourism, 44:100673.
    • Purves, Ross S; Wartmann, Flurina M (2023). Characterising and mapping potential and experienced tranquillity: From a state of mind to a cultural ecosystem service. Geography Compass, 17(11):12726.
    • Ivanovic, Stefan S; Wood, Jo; Purves, Ross S (2023). Evaluation of bicycle sharing scheme data as a proxy for cycling mobility – How COVID-19 measures influenced cycling in Paris. Transportation research interdisciplinary perspectives, 22:100937.
    • Metzger, Marc J; Keller, Rose; Lo, Veronica; Filyushkina, Anna; Komossa, Franziska; López-Rodríguez, Maria D; Valluri, Christiane; De Vries Lentsch, Aster (2023). ‘Bonkers but good!’ – Using illustration-based interview methods to understand land management and conservation visions. Landscape and Urban Planning, 239:104862.
    • Purves, Ross S; Striedl, Philipp; Kong, Inhye; Majid, Asifa (2023). Conceptualizing landscapes through language: the role of native language and expertise in the representation of waterbody related terms. Topics in Cognitive Science, 15(3):560-583.
    • Kong, Inhye; Sarmiento, Fausto O; Mu, Lan (2023). Crowdsourced text analysis to characterize the U.S. National Parks based on cultural ecosystem services. Landscape and Urban Planning, 233:104692.
    • Baer, Manuel F; Purves, Ross S (2023). Identifying landscape relevant natural language using actively crowdsourced landscape descriptions and sentence-transformers. Künstliche Intelligenz, 37(1):55-67.
    • Dunkel, Alexander; Hartmann, Maximilian C; Hauthal, Eva; Burghardt, Dirk; Purves, Ross S (2023). From sunrise to sunset: Exploring landscape preference through global reactions to ephemeral events captured in georeferenced social media. PLoS ONE, 18(2):e0280423.

  • Conference or Workshop item

    • Mariño, Daniela; Moncla, Ludovic; Purves, Ross S (2023). Extracting positive descriptions and exploring landscape value using text analysis in the Cairngorms National Park. In: SIGSPATIAL '23: The 31st ACM International Conference on Advances in Geographic Information Systems, Hamburg Germany, 13 November 2023, 44-47.
2022

• 2022

  • Journal Article

    • Karimi, Mina; Mesgari, Mohammad Saadi; Purves, Ross S (2022). A comparative assessment of machine learning methods in extracting place functionality from textual content. Transactions in GIS, 26(8):3225-3252.
    • Hartmann, Maximilian C; Schott, Moritz; Dsouza, Alishiba; Metz, Yannick; Volpi, Michele; Purves, Ross S (2022). A text and image analysis workflow using citizen science data to extract relevant social media records: Combining red kite observations from Flickr, eBird and iNaturalist. Ecological Informatics, 71:101782.
    • Baer, Manuel F; Purves, Ross S (2022). Window Expeditions: A playful approach to crowdsourcing natural language descriptions of everyday lived landscapes. Applied Geography, 148:102802.
    • Stahl Olafsson, Anton; Purves, Ross S; Wartmann, Flurina M; Garcia-Martin, Maria; Fagerholm, Nora; Torralba, Mario; Albert, Christian; Verbrugge, Laura N H; Heikinheimo, Vuokko; Plieninger, Tobias; Bieling, Claudia; Kaaronen, Roope; Hartmann, Maximilian; Raymond, Christopher M (2022). Comparing landscape value patterns between participatory mapping and geolocated social media content across Europe. Landscape and Urban Planning, 226:104511.
    • Karimi, Mina; Mesgari, Mohammad Saadi; Purves, Ross S; Abbasi, Omid Reza (2022). Modeling salient features as directions for place recommender systems. Abstracts of the ICA, 5:1-2.
    • Wysling, Laura; Purves, Ross S (2022). Where to improve cycling infrastructure? Assessing bicycle suitability and bikeability with open data in the city of Paris. Transportation research interdisciplinary perspectives, 15:100648.
    • Psyllidis, Achilleas; Gao, Song; Hu, Yingjie; Kim, Eun-Kyeong; McKenzie, Grant; Purves, Ross S; Yuan, May; Andris, Clio (2022). Points of Interest (POI): a commentary on the state of the art, challenges, and prospects for the future. Computational Urban Science, 2(1):20.
    • Ivanovic, Stefan S; Purves, Ross S (2022). Effects of traffic perturbations on bike sharing demand – a case study of public transport strikes and protests in Paris. AGILE: GIScience Series, 3:1-6.
    • Villette, Julia; Burenhult, Niclas; Purves, Ross S (2022). Maps meet myths: Understanding Jahai place naming through Geographical Information Systems. Journal of Linguistic Geography, 10(1):1-10.
    • Hartmann, Maximilian C; Koblet, Olga; Baer, Manuel F; Purves, Ross S (2022). Automated motif identification: Analysing Flickr images to identify popular viewpoints in Europe’s protected areas. Journal of Outdoor Recreation and Tourism, 37:100479.

  • Conference or Workshop item

    • Baer, Manuel F; Tregel, Thomas; Laato, Samuli; Söbke, Heinrich (2022). Virtually (re)constructed reality: the representation of physical space in commercial location-based games. In: Academic Mindtrek 2022: 25th International Academic Mindtrek conference, Tampere Finland, 16 November 2022 - 18 November 2022. ACM, 9-22.

  • Dissertation

    • Bär, Manuel Fabian. Capturing perceived everyday lived landscapes through gamification and active crowdsourcing. 2022, University of Zurich, Faculty of Science.
2021

• 2021

  • Journal Article

    • Hutter, Veronika; Techel, Frank; Purves, Ross S (2021). How is avalanche danger described in textual descriptions in avalanche forecasts in Switzerland? Consistency between forecasters and avalanche danger. Natural Hazards and Earth System Sciences, 21(12):3879-3897.
    • Wartmann, Flurina M; Baer, Manuel F; Hegetschweiler, K T; Fischer, C; Hunziker, M; Purves, Ross S (2021). Assessing the potential of social media for estimating recreational use of urban and peri-urban forests. Urban Forestry & Urban Greening, 64:127261.
    • Wartmann, Flurina M; Koblet, Olga; Purves, Ross S (2021). Assessing experienced tranquillity through natural language processing and landscape ecology measures. Landscape Ecology, 36(8):2347-2365.
    • Winkler, Kurt; Schmudlach, Günter; Degraeuwe, Bart; Techel, Frank (2021). On the correlation between the forecast avalanche danger and avalanche risk taken by backcountry skiers in Switzerland. Cold Regions Science and Technology, 188:103299.
    • Tao, Yaguang; Both, Alan; Silveira, Rodrigo I; Buchin, Kevin; Sijben, Stef; Purves, Ross S; Laube, Patrick; Peng, Dongliang; Toohey, Kevin; Duckham, Matt (2021). A comparative analysis of trajectory similarity measures. GIScience and Remote Sensing, 58(5):643-669.
    • Hafner, Elisabeth D; Techel, Frank; Leinss, Silvan; Bühler, Yves (2021). Mapping avalanches with satellites – evaluation of performance and completeness. The Cryosphere, 15(2):983-1004.
    • Acheson, Elise; Purves, Ross S (2021). Extracting and modeling geographic information from scientific articles. PLoS ONE, 16(1):e0244918.
    • Larsson, Jens; Burenhult, Niclas; Kruspe, Nicole; Purves, Ross S; Rothstein, Mikael; Sercombe, Peter (2021). Integrating behavioral and geospatial data on the timeline: towards new dimensions of analysis. International Journal of Social Research Methodology, 24(1):1-13.

  • Dissertation

    • Villette, Julia. Exploring landscape through place names : an interdisciplinary approach. 2021, University of Zurich, Faculty of Science.
    • Zahra, Kiran. Information extraction from microblogs during disasters. 2021, University of Zurich, Faculty of Science.
2020

• 2020

  • Journal Article

    • Adams, Benjamin; Dodge, Somayeh; Purves, Ross S (2020). JOSIS' 10th anniversary special feature: part two. Journal of Spatial Information Science, (21):1-4.
    • Techel, Frank; Pielmeier, Christine; Winkler, Kurt (2020). Refined dry-snow avalanche danger ratings in regional avalanche forecasts: Consistent? And better than random?. Cold Regions Science and Technology, 180:103162.
    • Das, Rahul Deb; Purves, Ross S (2020). Exploring the potential of Twitter to understand traffic events and their locations in Greater Mumbai, India. IEEE Transactions on Intelligent Transportation Systems, 21(12):5213-5222.
    • Bahrehdar, Azam Raha; Adams, Benjamin; Purves, Ross S (2020). Streets of London: Using Flickr and OpenStreetMap to build an interactive image of the city. Computers, Environment and Urban Systems, 84:101524.
    • van Putten, Saskia; O’Meara, Carolyn; Wartmann, Flurina; Yager, Joanne; Villette, Julia; Mazzuca, Claudia; Bieling, Claudia; Burenhult, Niclas; Purves, Ross; Majid, Asifa (2020). Conceptualisations of landscape differ across European languages. PLoS ONE, 15(10):e0239858.
    • Techel, Frank; Winkler, Kurt; Walcher, Matthias; van Herwijnen, Alec; Schweizer, Jürg (2020). On snow stability interpretation of extended column test results. Natural Hazards and Earth System Sciences, 20(7):1941-1953.
    • Adams, Benjamin; Dodge, Somayeh; Purves, Ross (2020). JOSIS' 10th anniversary special feature. Journal of Spatial Information Science, (20):1-4.
    • Koblet, Olga; Purves, Ross S (2020). From online texts to Landscape Character Assessment: Collecting and analysing first-person landscape perception computationally. Landscape and Urban Planning, 197:103757.
    • Schweizer, Jürg; Mitterer, Christoph; Techel, Frank; Stoffel, Andreas; Reuter, Benjamin (2020). On the relation between avalanche occurrence and avalanche danger level. The Cryosphere, 14(2):737-750.
    • Bruggmann, André; Fabrikant, Sara I; Purves, Ross S (2020). How can geographic information in text documents be visualized to support information exploration in the humanities?. International Journal of Humanities and Arts Comouting, 14(1-2):98-118.
    • Villette, Julia; Purves, Ross S (2020). From microtoponyms to landscape using semantics, location, and topography: the case of Wald, Holz, Riet, and Moos in St. Gallen, Switzerland. The Professional Geographer, 72(1):109-120.
    • Carrio-Cordo, Paula; Acheson, Elise; Huang, Qingyao; Baudis, Michael (2020). Geographic assessment of cancer genome profiling studies. Database, 2020:baaa009.
    • Zahra, Kiran; Imran, Muhammad; Ostermann, Frank O (2020). Automatic identification of eyewitness messages on twitter during disasters. Information Processing & Management, 57(1):102107.
    • Techel, Frank; Müller, Karsten; Schweizer, Jürg (2020). On the importance of snowpack stability, its frequency distribution, and avalanche size in assessing the avalanche danger level: a data-driven approach. The Cryosphere, 14:3503-3521.

  • Book Section

    • Leidner, Jochen L; Martins, Bruno; McDonough, Katherine; Purves, Ross S (2020). Text meets space: Geographic content extraction, resolution and information retrieval. In: Jose, Joemon M; Yilmaz, Emine; Magalhães, João; Castells, Pablo; Ferro, Nicola; Silva, Mário J; Martins, Flávio. Advances in Information Retrieval: 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14–17, 2020, Proceedings, Part II. Cham (Switzerland): Springer, 669-673.

  • Dissertation

    • Techel, Frank. On consistency and quality in public avalanche forecasting - a data-driven approach to forecast verification and to refining definitions of avalanche danger. 2020, University of Zurich, Faculty of Science.
    • Bahrehdar, Azam. Extraction of place descriptions from user-generated content. 2020, University of Zurich, Faculty of Science.
    • Koblet, Olga. Extracting perceived landscape properties from text sources. 2020, University of Zurich, Faculty of Science.
2019

• 2019

  • Journal Article

    • Berlin, Claudia; Techel, Frank; Moor, Beat Kaspar; Zwahlen, Marcel; Hasler, Rebecca Maria (2019). Snow avalanche deaths in Switzerland from 1995 to 2014—Results of a nation-wide linkage study. PLoS ONE, 14(12):e0225735.
    • Chesnokova, Olga; Taylor, Joanna E; Gregory, Ian N; Purves, Ross S (2019). Hearing the silence: finding the middle ground in the spatial humanities? Extracting and comparing perceived silence and tranquillity in the English Lake District. International Journal of Geographical Information Science, 33(12):2430-2454.
    • Purves, Ross S; Winter, Stephan; Kuhn, Werner (2019). Places in information science. Journal of the Association for Information Science and Technology, 70(11):1173-1182.
    • Baer, Manuel F; Wartmann, Flurina M; Purves, Ross S (2019). StarBorn: Towards making in‐situ land cover data generation fun with a location‐based game. Transactions in GIS, 23(5):1008-1028.
    • Morin, Samuel; Horton, Simon; Techel, Frank; Bavay, Mathias; Coléou, Cécile; Fierz, Charles; Gobiet, Andreas; Hagenmuller, Pascal; Lafaysse, Matthieu; Ližar, Matjaž; Mitterer, Christoph; Monti, Fabiano; Müller, Karsten; Olefs, Marc; Snook, John S; van Herwijnen, Alec; Vionnet, Vincent (2019). Application of physical snowpack models in support of operational avalanche hazard forecasting: A status report on current implementations and prospects for the future. Cold Regions Science and Technology, 170:102910.
    • Acheson, Elise; Volpi, Michele; Purves, Ross S (2019). Machine learning for cross-gazetteer matching of natural features. International Journal of Geographical Information Science:1-27.
    • Bahrehdar, Azam Raha; Koblet, Olga; Purves, Ross S (2019). Approaching location-based services from a place-based perspective: from data to services?. Journal of Location Based Services, 13(2):73-93.
    • Dunkel, Alexander; Andrienko, Gennady; Andrienko, Natalia; Burghardt, Dirk; Hauthal, Eva; Purves, Ross S (2019). A conceptual framework for studying collective reactions to events in location-based social media. International Journal of Geographical Information Science, 33(4):780-804.
    • Purves, Ross S; Jones, Christopher B (2019). GIR'18 Workshop Report 12th ACM SIGSPATIAL workshop on geographic information retrieval seattle, USA 6th November 2018. SIGSPATIAL special, 10(3):19-20.

  • Dissertation

    • Acheson, Elise. Extracting and modeling the geography of text documents : resources and applications. 2019, University of Zurich, Faculty of Science.
2018

• 2018

  • Journal Article

    • Das, Rahul Deb; Winter, Stephan (2018). A fuzzy logic based transport mode detection framework in urban environment. Journal of Intelligent Transportation Systems, 22(6):478-489.
    • Egorova, Ekaterina; Moncla, Ludovic; Gaio, Mauro; Claramunt, Christophe; Purves, Ross S (2018). Fictive motion extraction and classification. International Journal of Geographical Information Science, 32(11):2247-2271.
    • Techel, Frank; Mitterer, Christoph; Ceaglio, Elisabetta; Coléou, Cécile; Morin, Samuel; Rastelli, Francesca; Purves, Ross S (2018). Spatial consistency and bias in avalanche forecasts – a case study in the European Alps. Natural Hazards and Earth System Sciences, 18(10):2697-2716.
    • Côte, Muriel; Wartmann, Flurina M; Purves, Ross S (2018). Introduction: The trouble with forest: definitions, values and boundaries. Geographica Helvetica, 73(4):253-260.
    • Wartmann, Flurina M; Acheson, Elise; Purves, Ross S (2018). Describing and comparing landscapes using tags, texts, and free lists: an interdisciplinary approach. International Journal of Geographical Information Science, 32(8):1572-1592.
    • Wever, Nander; Vera Valero, César; Techel, Frank (2018). Coupled snow cover and avalanche dynamics simulations to evaluate wet snow avalanche activity. Journal of Geophysical Research: Earth Surface, 123(8):1772-1796.
    • Bahrehdar, Azam R; Purves, Ross S (2018). Description and characterization of place properties using topic modeling on georeferenced tags. Geo-Spatial Information Science, 21(3):173-184.
    • Wartmann, Flurina M; Purves, Ross S (2018). Investigating sense of place as a cultural ecosystem service in different landscapes through the lens of language. Landscape and Urban Planning, 175:169-183.
    • Brunner, Manuela; Pool, Sandra; Kiewiet, Leonie; Acheson, Elise (2018). The other’s perception of a streamflow sample: from a bottle of water to a data point. Hydrological Processes:1-6.
    • Chesnokova, Olga; Purves, Ross S (2018). From image descriptions to perceived sounds and sources in landscape: Analyzing aural experience through text. Applied Geography, 93:103-111.
    • Wartmann, Flurina M; Purves, Ross S (2018). ‘This is not the jungle, this is my barbecho’: semantics of ethnoecological landscape categories in the Bolivian Amazon. Landscape Research, 43(1):77-94.
    • Purves, Ross S; Clough, Paul; Jones, Christopher B; Hall, Mark H; Murdock, Vanessa (2018). Geographic information retrieval: Progress and challenges in spatial search of text. Foundations and Trends in Information Retrieval, 12(2-3):164-318.

  • Book Section

    • Navidi, Zahra; Das, Rahul Deb; Winter, Stephan (2018). Geospatial data science approaches for transport demand modeling. In: Karimi, Hassan A; Karimi, Bobak. Geospatial data science techniques and applications. Boca Raton: CRC Press, 177-204.

  • Conference or Workshop item

    • Chesnokova, Olga; Purves, Ross S (2018). Automatically creating a spatially referenced corpus of landscape perception. In: GIR 2018 : 12th Workshop on Geographic Information Retrieval at ACM SIGSPATIAL 2018, Seattle, 6 November 2018, ACM Digital Library.
    • Diehl, Alexandra; Yang, Bin; Das, Rahul Deb; Chen, Siming; Andrienko, Gennady; Andrienko, Natalia; Dransch, Doris; Keim, Daniel (2018). User-uncertainty : A human-centred uncertainty taxonomy for VGI through the visual analytics workflow. In: VGI Geovisual Analytics Workshop, colocated with BDVA 2018, Konstanz (DE), 19 October 2018 - 19 October 2018.
    • Das, Rahul Deb; Purves, Ross S (2018). Urban traffic event detection using Twitter data. In: VGI Geovisual Analytics Workshop, colocated with BDVA 2018, Konstanz, 19 October 2018 - 19 October 2018.
    • Das, Rahul Deb; Purves, Ross S (2018). Towards the usefulness of user-generated content to understand traffic events. In: GIScience 2018: 10th International Conference on Geographic Information Science, Melbourne (Australia), 28 August 2018 - 31 August 2018. Schloss Dagstuhl -- Leibniz-Zentrum fuer Informatik, 25:1-25:7.
    • Villette, Julia; Purves, Ross S (2018). Exploring microtoponyms through linguistic and geographic perspectives. In: 21th AGILE Conference on Geographic Information Science, Lund, 12 June 2018 - 15 June 2018.
    • Zahra, Kiran; Imran, Muhammad; Ostermann, Frank O (2018). Understanding eyewitness reports on Twitter during disasters. In: 15th International Conference on Information Systems for Crisis Response and Management ISCRAM 2018, Rochester (USA), 21 May 2018 - 23 May 2018. ISCRAM, 687-695.
    • Ghosh, Shreya; Ghosh, Soumya K; Das, Rahul Deb; Winter, Stephan (2018). Activity-based mobility profiling: a purely temporal modeling approach. In: The Web Conference (WWW 2018), Lyon, 23 April 2018 - 27 April 2018. ACM Digital Library, 409-416.

  • Dissertation

    • Egorova, Ekaterina. From text to space : spatial discourse in alpine route directions and narratives. 2018, University of Zurich, Faculty of Science.
2017

• 2017

  • Journal Article

    • Pasquier, Mathieu; Hugli, Olivier; Kottmann, Alexandre; Techel, Frank (2017). Avalanche accidents causing fatalities: are they any different in the summer?. High Altitude Medicine & Biology, 18(1):67-72.
    • Wartmann, Flurina M; Purves, Ross S (2017). What’s (not) on the map: landscape features from participatory sketch mapping differ from local categories used in language. Land, 6(4):79.
    • Grütter, Rolf; Purves, Ross S; Wotruba, Lukas (2017). Evaluating topological queries in linked data using DBpedia and GeoNames in Switzerland and Scotland. Transactions in GIS, 21(1):114-133.
    • Acheson, Elise; De Sabbata, Stefano; Purves, Ross S (2017). A quantitative analysis of global gazetteers: Patterns of coverage for common feature types. Computers, Environment and Urban Systems, 64:309-320.
    • Baltensweiler, Andri; Walthert, Lorenz; Ginzler, Christian; Sutter, Flurin; Purves, Ross S; Hanewinkel, Marc (2017). Terrestrial laser scanning improves digital elevation models and topsoil pH modelling in regions with complex topography and dense vegetation. Environmental Modelling & Software, 95:13-21.
    • Zahra, Kiran; Ostermann, Frank O; Purves, Ross S (2017). Geographic variability of Twitter usage characteristics during disaster events. Geo-Spatial Information Science, 20(3):231-240.
    • Techel, Frank; Schweizer, Jürg (2017). On using local avalanche danger level estimates for regional forecast verification. Cold Regions Science and Technology, 144:52-62.

  • Conference or Workshop item

    • Acheson, Elise; Villette, Julia; Volpi, Michele; Purves, Ross S (2017). Gazetteer matching for natural features in Switzerland. In: GIR'17 11th Workshop on Geographic Information Retrieval, Heidelberg (Deutschland), 30 November 2017 - 1 December 2017. ACM New York, online.
    • Chesnokova, Olga; Nowak, Mario; Purves, Ross S (2017). A crowdsourced model of landscape preference. In: COSIT 2017: International Conference on Spatial Information Theory, L'Aquila (I), 4 September 2017 - 8 September 2017, Dagstuhl Publishing.
    • Acheson, Elise; Wartmann, Flurina M; Purves, Ross S (2017). Generating spatial footprints from hiking blogs. In: COSIT 2017: International Conference on Spatial Information Theory, L'Aquila (I), 4 September 2017 - 8 September 2017. Springer, 5-7.
2016

• 2016

  • Journal Article

    • Badoux, Alexandre; Andres, Norina; Techel, Frank; Hegg, Christoph (2016). Natural hazard fatalities in Switzerland from 1946 to 2015. Natural Hazards and Earth System Sciences, 16(12):2747-2768.
    • Wartmann, Flurina M; Derungs, Curdin; Purves, Ross S (2016). Characterizing place: an empirical comparison between user-generated content and freelisting data. International Conference on GIScience Short Paper Proceedings, 1(1):336-339.
    • Chesnokova, Olga; Gregory, Ian N; Purves, Ross S (2016). Comparing digital traces of modern travellers to journeys of two 18th-19th century British poets. International Conference on GIScience Short Paper Proceedings, 1(1):45-48.
    • Egorova, Ekaterina; Boo, Gianluca; Purves, Ross S (2016). The ridge went north : Did the observer go as well? Corpus-driven investigation of fictive motion. International Conference on GIScience Short Paper Proceedings, 1(1):92-95.
    • Wirz, Vanessa; Geertsema, Marten; Gruber, Stephan; Purves, Ross S (2016). Temporal variability of diverse mountain permafrost slope movements derived from multi-year daily GPS data, Mattertal, Switzerland. Landslides, 13(1):67-83.
    • Wirz, Vanessa; Gruber, Stephan; Purves, Ross S; Beutel, Jan; Gärtner-Roer, Isabelle; Gubler, Stefanie; Vieli, Andreas (2016). Short-term velocity variations at three rock glaciers and their relationship with meteorological conditions. Earth Surface Dynamics, 4(1):103-123.
    • Derungs, Curdin; Purves, Ross S (2016). Mining nearness relations from an n-grams Web corpus in geographical space. Spatial Cognition & Computation, 16(4):301-322.
    • Techel, Frank; Jarry, Frédéric; Kronthaler, Georg; Mitterer, Susanna; Nairz, Patrick; Pavšek, Miha; Valt, Mauro; Darms, Gian (2016). Avalanche fatalities in the European Alps: long-term trends and statistics. Geographica Helvetica, 71(2):147-159.
    • Reisser, Moritz; Purves, Ross S; Schmidt, Michael W I; Abiven, Samuel (2016). Pyrogenic Carbon in Soils: A Literature-Based Inventory and a Global Estimation of Its Content in Soil Organic Carbon and Stocks. Frontiers in Earth Science:4:80.
    • Reichenbacher, Tumasch; De Sabbata, Stefano; Purves, Ross S; Fabrikant, Sara I (2016). Assessing geographic relevance for mobile search: A computational model and its validation via crowdsourcing. Journal of the Association for Information Science and Technology, 67(11):2620-2634.
    • Comber, Alexis; Mooney, Peter; Purves, Ross S; Rocchini, Duccio; Walz, Ariane (2016). Crowdsourcing: It Matters Who the Crowd Are. The Impacts of between Group Variations in Recording Land Cover. PLoS ONE, 11(7):e0158329.
    • Derungs, Curdin; Purves, Ross S (2016). Characterising landscape variation through spatial folksonomies. Applied Geography, 75:60-70.
    • Wartmann, Flurina M; Haller, Tobias; Backhaus, Norman (2016). “Institutional Shopping” for natural resource management in a protected area and indigenous territory in the Bolivian Amazon. Human Organization, 75(3):218-229.

  • Conference or Workshop item

    • Winkler, Kurt; Fischer, Adrian; Techel, Frank (2016). Avalanche risk in winter backcountry touring: status and recent trends in Switzerland. In: International Snow Science Workshop, Breckenridge, Co., USA, 3 October 2016 - 7 October 2016, 270-276.
    • Techel, Frank; Dürr, Lukas; Schweizer, Jürg (2016). Variations in individual danger level estimates within the same forecast region. In: International Snow Science Workshop, Breckenridge, Co., USA, 3 October 2016 - 7 October 2016, 466-471.
    • Techel, Frank; Walcher, Matthias; Winkler, Kurt (2016). Extended Column Test: repeatability and comparison to slope stability and the Rutschblock. In: International Snow Science Workshop, Breckenridge, Colorado, 2016, Breckenridge, Co., USA, 3 October 2016 - 7 October 2016, 1203-1208.
    • Bahrehdar, Azam; Purves, Ross S (2016). Linking VGI for place-based map generalization. In: AGILE 2016, Helsinki, 14 June 2016 - 14 June 2016, 1-4.
    • De Sabbata, Stefano; Acheson, Elise (2016). Geographies of gazetteers in Great Britain. In: 24th GIS Research UK (GISRUK 2016) conference, Greenwich, 30 March 2016 - 1 April 2016.

  • Dissertation

    • Wartmann, Flurina. From space to place in the Bolivian Amazon: exploring and representing folk landscape categories with ethnographic and GIS approaches. 2016, University of Zurich, Faculty of Science.
2015

• 2015

  • Journal Article

    • Purves, Ross S; Palacio, Damien; Derungs, Curdin (2015). Development and evaluation of a geographic information retrieval system using fine grained toponyms. Journal of Spatial Information Science, (11):1-29.
    • Egli, Markus; Maisch, Max; Purves, Ross S; Cöltekin, Arzu; Hilbich, Christin (2015). Multi-methodological reconstruction of the lake level at Morgarten in the context of the history of the Swiss Confederation. The Holocene, 25(11):1727-1741.
    • Purves, Ross S; Derungs, Curdin (2015). From space to place: place-based explorations of text. International Journal of Humanities and Arts Comouting, 9(1):74-94.

  • Book Section

    • Ostermann, Frank O; Huang, Haosheng; Andrienko, Gennady; Andrienko, Natalia; Capineri, Cristina; Farkas, K; Purves, Ross S (2015). Extracting and comparing places using Geo-Social Media. In: Mallet, C; Paparoditis, N; Dowman, I; Oude Elberink, S; Raimond, A-M; Rottensteiner, F; Yang, M; Christophe, S; Coltekin, Arzu; Brédif, M. ISPRS Geospatial Week 2015. Göttingen: Copernicus Publications, 311-316.
    • Wartmann, Flurina M; Egorova, Ekaterina; Derungs, Curdin; Mark, David M; Purves, Ross S (2015). More than a list: what outdoor free listings of landscape categories reveal about commonsense geographic concepts and memory search strategies. In: Fabrikant, Sara I; Raubal, Martin; Bertolotto, Michela; Davies, Clare; Freundschuh, Scott; Bell, Scott. Spatial Information Theory. 12th International Conference, COSIT 2015, Santa Fe, NM, USA, October 12-16, 2015, Proceedings. Cham: Springer, 224-243.
    • Egorova, Ekaterina; Tenbrink, Thora; Purves, Ross S (2015). Where snow is a landmark: route direction elements in Alpine contexts. In: Fabrikant, Sara I; Raubal, Martin; Bertolotto, Michela; Davies, Clare; Freundschuh, Scott; Bell, Scott. Spatial Information Theory. 12th International Conference, COSIT 2015, Santa Fe, NM, USA, October 12-16, 2015, Proceedings. Cham: Springer, 175-195.
2014

• 2014

  • Journal Article

    • Wartmann, Flurina M; Juárez, Cecilia P; Fernandez-Duque, Eduardo (2014). Size, site fidelity, and overlap of home ranges and core areas in the socially monogamous Owl monkey (Aotus azarae) of northern Argentina. International Journal of Primatology:online.
    • Purves, Ross S; Laube, Patrick; Buchin, Maike; Speckmann, Bettina (2014). Moving beyond the point: An agenda for research in movement analysis with real data. Computers, Environment and Urban Systems, 47:1-4.
    • Veitinger, Jochen; Sovilla, Betty; Purves, Ross S (2014). Influence of snow depth distribution on surface roughness in alpine terrain: A multi-scale approach. The Cryosphere, 8(2):547-569.
    • Hahmann, Stefan; Purves, Ross S; Burghardt, Dirk (2014). Twitter location (sometimes) matters: Exploring the relationship between georeferenced tweet content and nearby feature classes. Journal of Spatial Information Science, (9):1-36.
    • Venkateswaran, Ramya; Weibel, Robert; Purves, Ross S (2014). Exploring and visualizing differences in geographic and linguistic web coverage. Transactions in GIS, 18(6):852-876.
    • Wirz, Vanessa; Beutel, Jan; Gruber, Stephan; Gubler, Stefanie; Purves, Ross S (2014). Estimating velocity from noisy GPS data for investigating the temporal variability of slope movements. Natural Hazards and Earth System Sciences, 14(9):2503-2520.
    • Züst, Fabian; Dahms, Dennis; Purves, Ross S; Egli, Markus (2014). Surface reconstruction and derivation of erosion rates over several glaciations (1Ma) in an alpine setting (Sinks Canyon, Wyoming, USA). Geomorphology, 219:232-247.
    • Zellweger, Florian; Morsdorf, Felix; Purves, Ross S; Braunisch, Veronika; Bollmann, Kurt (2014). Improved methods for measuring forest landscape structure: LiDAR complements field-based habitat assessment. Biodiversity and Conservation, 23(2):289-307.

  • Conference or Workshop item

    • Veitinger, Jochen; Sovilla, Betty; Purves, Ross S (2014). Slab avalanche release area estimation: a new GIS tool. In: International Snow Science Workshop 2014, Banff (Canada), 29 September 2014 - 3 October 2014, 256-262.
    • Comber, Alexis; Purves, Ross S (2014). Comparing different crowdsourced data: an analysis of Flickr elements, qualities and activities with Geo-Wiki land cover. In: GIScience 2014: Eighth International Conference on Geographic Information Science, Vienna (A), 23 September 2014 - 26 September 2014, 201-204.
    • Derungs, Curdin; Purves, Ross S (2014). Where’s near? Using web tri-grams to explore spatial relations. In: GIScience 2014: Eighth International Conference on Geographic Information Science, Vienna (A), 23 September 2014 - 26 September 2014, 158-162.
    • Wartmann, Flurina M; Purves, Ross S (2014). Why landscape terms matter for mapping: A comparison of ethnogeographic categories and scientific classification. In: GIScience 2014: Eighth International Conference on Geographic Information Science, Vienna (A), 23 September 2014 - 26 September 2014, 192-194.
2013

• 2013

  • Journal Article

    • Derungs, Curdin; Purves, Ross S (2013). From text to landscape: locating, identifying and mapping the use of landscape features in a Swiss Alpine corpus. International Journal of Geographical Information Science:online.
    • Ostermann, Frank O; Tomko, Martin; Purves, Ross S (2013). User evaluation of automatically generated keywords and toponyms for geo-referenced images. Journal of the American Society for Information Science and Technology, 64(3):480-499.
    • Gubler, Stefanie; Endrizzi, Stefano; Gruber, Stephan; Purves, Ross S (2013). Sensitivities and uncertainties of modeled ground temperatures in mountain environments. Geoscientific Model Development, 6(4):1319-1336.

  • Book Section

    • Derungs, Curdin; Wartmann, Flurina M; Purves, Ross S; Mark, David M (2013). The meanings of the generic parts of toponyms: use and limitations of gazetteers in studies of landscape terms. In: Tenbrink, Thora; Stell, John; Galton, Antony; Wood, Zena. Spatial Information Theory. Cham: Springer, 261-278.

  • Conference or Workshop item

    • Palacio, Damien; Derungs, Curdin; Purves, Ross (2013). Creating test collections from user generated content for GIR evaluation. In: GIR'13: 7th ACM SIGSPATIAL Workshop on Geographic Information Retrieval, Orlando, FL, USA, 5 November 2013. Association for Computing Machinery, 82-83.
    • Wider, Thomas; Palacio, Damien; Purves, Ross S (2013). Georeferencing images using tags: application with Flickr. In: The 15th AGILE International Conference on Geographic Information Science, Leuven, Belgium, 14 May 2013 - 17 May 2013, online.
2012

• 2012

  • Journal Article

    • Shamoun-Baranes, Judy; van Loon, E Emiel; Purves, Ross S; Speckmann, Bettina; Weiskopf, Daniel; Camphuysen, C J (2012). Analysis and visualization of animal movement. Biology Letters, 8(1):6-9.
    • Gschwend, Christian; Purves, Ross S (2012). Exploring geomorphometry through user generated content: comparing an unsupervised geomorphometric classification with terms attached to georeferenced images in Great Britain. Transactions in GIS, 16(4):499-522.
    • Fischer, L; Purves, Ross S; Huggel, Christian; Noetzli, Jeannette; Haeberli, Wilfried (2012). On the influence of topographic, geological and cryospheric factors on rock avalanches and rockfalls in high-mountain areas. Natural Hazards and Earth System Science, 12(1):241-254.
    • Gubler, Stefanie; Gruber, Stephan; Purves, Ross S (2012). Uncertainties of parameterized surface downward clear-sky shortwave and all-sky longwave radiation. Atmospheric Chemistry and Physics, 12(11):5077-5098.

  • Conference or Workshop item

    • Derungs, Curdin; Palacio, Damien; Purves, Ross S (2012). Resolving fine granularity toponyms: Evaluation of a disambiguation approach. In: GIScience 2012: Seventh International Conference on Geographic Information Science, Columbus, Ohio, 18 September 2012 - 21 September 2012, online.
    • Derungs, Curdin; Purves, Ross S (2012). Measuring topographic similarity of toponyms. In: AGILE 2012, 15th AGILE International Conference on Geographic Information Science, Avignon, FR, 24 April 2012 - 27 April 2012, 30-34.
2011

• 2011

  • Journal Article

    • Purves, Ross S; Jones, Christopher B (2011). Geographic information retrieval. SIGSPATIAL Special, 3(2):2-4.
    • Purves, Ross S; Edwardes, Alistair J; Wood, Jo (2011). Describing place through user generated content. First Monday, 16(9):3710.
    • Laube, Patrick; Purves, Ross S (2011). How fast is a cow? Cross-scale analysis of movement data. Transactions in GIS, 15(3):401-418.
    • Pozdnoukhov, Alexei; Matasci, Giona; Kanevski, Mikhail; Purves, Ross S (2011). Spatio-temporal avalanche forecasting with support vector machines. Natural Hazards and Earth System Sciences, 11(2):367-382.
    • Straumann, Ralph K; Purves, Ross S (2011). Computation and elicitation of valleyness. Spatial Cognition and Computation, 11(2):178-204.

  • Book Section

    • Purves, Ross S (2011). Methods, examples and pitfalls in the exploitation of the geospatial web. In: Hesse-Biber, S N. The Handbook of Emergent Technologies in Social Research. New York: Oxford University Press, 592-624.

  • Conference or Workshop item

    • Derungs, Curdin; Purves, Ross S; Waldvogel, Bettina (2011). Toponym disambiguation of landscape features using geomorphometric characteristics. In: 11th International Conference of GeoComputation, London, 20 July 2011 - 22 July 2011, 106-110.
    • Stadler, Benjamin; Purves, Ross S; Tomko, Martin (2011). Exploring the relationship between land cover and subjective evaluation of scenic beauty through user generated content. In: 25th International Cartographic Conference, Paris, FR, 3 July 2011 - 8 July 2011.
    • Gschwend, Christian; Purves, Ross S (2011). Comparing Flickr tags to a geomorphometric classification. In: 19th GIS Research UK Annual Conference, Portsmouth, 27 April 2011 - 29 April 2011, 174-178.
2010

• 2010

  • Journal Article

    • Hollenstein, Livia; Purves, Ross S (2010). Exploring place through user-generated content: Using Flickr to describe city cores. Journal of Spatial Information Science, 1(1):21-48.
    • Wartmann, Flurina M; Purves, Ross S; van Schaik, Carel P (2010). Modelling ranging behaviour of female orang-utans: a case study in Tuanan, Central Kalimantan, Indonesia. Primates, 51(2):119-130.

  • Book Section

    • Laube, Patrick; Purves, Ross S (2010). Cross-scale movement trajectory analysis. In: Haklay, Muki. Proceedings of the GIS Research UK 18th Annual Conference GISRUK 2010. London, UK: University College London, 103-107.

  • Conference or Workshop item

    • Tomko, Martin; Purves, Ross S (2010). Matterhorn on the horizon: identification of salient mountains for image annotation. In: roceedings of the GIS Research UK 18th Annual Conference GISRUK 2010, University College London (UCL), 14 April 2010 - 16 April 2010. University College London, 359-362.
    • Purves, Ross S; Edwardes, Alistair; Fan, Xin; Hall, Mark; Tomko, Martin (2010). Automatically generating keywords for georeferenced images. In: Proceedings of the GIS Research UK 18th Annual Conference GISRUK 2010, University College London (UCL), 14 April 2010 - 16 April 2010. University College London, 203-207.
2009

• 2009

  • Journal Article

    • Tomko, Martin; Purves, Ross S (2009). Venice, city of canals: characterizing regions through content classification. Transactions in GIS, 13(3):295 - 314.
    • Hebeler, Felix; Purves, Ross S (2009). The influence of elevation uncertainty on derivation of topographic indices. Geomorphology, 111(1-2):4-16.
    • Aberegg, Isabelle; Egli, Markus; Sartori, Giacomo; Purves, Ross S (2009). Modelling spatial distribution of soil types and characteristics in a high Alpine valley (Val di Sole, Italy). Studi Trentini di Scienze Naturali, 85:39-50.

  • Book Section

    • Tomko, Martin; Trautwein, Friedjoff; Purves, Ross S (2009). Identification of practically visible spatial objects in natural environments. In: Sester, Monika; Bernard, Lards; Paelke, Volker. Advances in GIScience. Berlin: Springer (Bücher), 1-23.
    • Jones, Christopher B; Purves, Ross S (2009). Geographic information retrieval. In: Liu, Ling; Özsu, M Tamer. Encyclopedia of database systems; Part 7. New York, US: Springer, 1227 -1231.
2008

• 2008

  • Journal Article

    • Hebeler, Felix; Purves, Ross S; Jamieson, Stewart S R (2008). The impact of parametric uncertainty and topographic error in ice-sheet modelling. Journal of Glaciology, 54(188):889-919.
    • Machguth, Horst; Purves, Ross S; Oerlemans, Johannes; Hoelzle, Martin; Paul, Frank (2008). Exploring uncertainty in glacier mass balance modelling with Monte Carlo simulation. The Cryosphere, 2(2):191-204.
    • Yang, Bisheng; Purves, Ross S; Weibel, Robert (2008). Variable-resolution Compression of Vector Data. GeoInformatica, 12(3):357-376.
    • Hebeler, Felix; Purves, Ross S (2008). The influence of resolution and topographic uncertainty on melt modelling using hypsometric sub-grid parameterization. Hydrological Processes, 22:3965-3979.
    • Pozdnoukhov, Alexei; Purves, Ross S; Kanevski, Mikhail (2008). Applying machine learning methods to avalanche forecasting. Annals of Glaciology, 49(1):107-113.
    • Jones, Christopher B; Purves, Ross S (2008). Geographical information retrieval. International Journal of Geographical Information Science, 22(3):219-228.
    • Jones, Christopher B; Purves, Ross S; Clough, Paul D; Joho, Hideo (2008). Modelling vague places with knowledge from the Web. International Journal of Geographical Information Science, 22(10):1045-1065.

  • Book Section

    • Dias, E S; Edwardes, Alistair J; Purves, Ross S (2008). Analysing and aggregating visitor tracks in a protected area. In: Stein, A; et al. Quality Aspects in Spatial Data Mining. Oxfordshire: CRC Press, 1-29.
    • Corripio, Javier G; Purves, Ross S; Rivera, Andrés (2008). Modeling climate-change impacts on mountain glaciers and water resources in the Central Dry Andes. In: Orlove, B; et al. Darkening Peaks: Glacier Retreat, Science, and Society. Berkeley, US: University of California Press, 126-135.
    • Purves, Ross S; Edwardes, Alistair; Sanderson, Mark (2008). Describing the where – improving image annotation and search through geography. In: Csurka, G. Proceedings of the workshop on Metadata Mining for Image Understanding (MMIU 2008). Setúbal: Insticc Press, 105-113.
    • Walz, Ariane; Bebi, Peter; Purves, Ross (2008). A comparison of two techniques for local land-use change simulation in the swiss mountain area. In: Lovett, A; et al. GIS for Environmental Decision-Making. Boca Raton, US: CRC Press, 131-148.
    • Straumann, Ralph K; Purves, Ross S (2008). Delineation of valleys and valley floors. In: Cova, T J; et al. Geographic Information Science. Berlin, Heidelberg: Springer Verlag, 320-336.
    • Hebeler, Felix; Purves, Ross S (2008). Modelling DEM data uncertainties for Monte Carlo simulations of ice sheet models. In: Stein, Al; Shi, J; Bijker, W. Quality Aspects in Spatial Data Mining. Boca Raton: CRC Press, 175-196.

  • Conference or Workshop item

    • Pasley, Robert; Clough, Paul; Purves, Ross S; Twaroch, Florian A (2008). Mapping geographic coverage of the web. In: 16th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM GIS 2008), Irvine, US, 5 November 2008 - 7 November 2008, 1-9.
    • Barker, Emma J; Purves, Ross S (2008). A caption annotation scheme for georeferencing images. In: Proceeding of the 2nd international workshop on Geographic information retrieval, Napa Valley, US, 29 October 2008 - 30 October 2008, 45-46.
    • Brunner, Tobias J; Purves, Ross S (2008). Spatial autocorrelation and toponym ambiguity. In: Proceeding of the 2nd international workshop on Geographic information retrieval, Napa Valley, US, 29 October 2008 - 30 October 2008, 25-26.
    • Tomko, Martin; Purves, Ross S (2008). Characterizing regions through content classification.. In: GIScience 2008 - Fifth International Conference on Geographic Information Science, Park City, Utah, 23 September 2008 - 26 September 2008.
    • Tomko, Martin; Purves, Ross S (2008). Categorical prominence and the characteristic description of regions.. In: Semantic Web meets Geospatial Applications, Girona, Spain, 5 May 2008, 1-9.
2007

• 2007

  • Journal Article

    • Purves, Ross S; Clough, Paul; Jones, Christopher B; Arampatzis, Avi; Bucher, Benedicte; Finch, David; Fu, Gaihua; Joho, Hideo; Syed, Awase Khirni; Vaid, Subodh; Yang, Bisheng (2007). The design and implementation of SPIRIT: a spatially aware search engine for information retrieval on the Internet. International Journal of Geographical Information Science, 21(7):717-745.
    • Yang, Bisheng; Purves, Ross S; Weibel, Robert (2007). Efficient transmission of vector data over the Internet. International Journal of Geographical Information Science, 21(2):215-237.

  • Book Section

    • Straumann, Ralph K; Purves, Ross S (2007). Resolution sensitivity of a compound terrain derivative as computed from LiDAR-based elevation data. In: Fabrikant, Sara I; Wachowicz, Monica. The European information society. Leading the way with Geo-information. Berlin: Springer, 87-109.
    • Laube, Patrick; Purves, Ross S; Imfeld, Stephan; Weibel, Robert (2007). Analysing point motion with geographic knowledge discovery techniques. In: Drummond, Jane; Billen, Roland; Joao, Elsa; Forrest, David. Dynamic and Mobile GIS: Investigating Changes in Space and Time. Boca Raton (USA): C R C Press, LLC, 263-286.
    • Edwardes, Alistair; Purves, Ross S (2007). A theoretical grounding for semantic descriptions of place. In: Ware, J Mark; Taylor, George E. Web and Wireless Geographical Information Systems 7th International Symposium, W2GIS 2007, Cardiff, UK, November 28-29, 2007. Proceedings. Berlin: Springer, 106-120.

  • Conference or Workshop item

    • Edwardes, Alistair J; Purves, Ross S (2007). Eliciting concepts of place for text-based image retrieval. In: 4th ACM Workshop on Geographical Information Retrieval, CIKM 2007, Lissabon (P), 6 November 2007 - 10 November 2007. ACM, 15-18.
    • Hebeler, Felix; Purves, Ross S (2007). Modelling DEM data uncertainties for Monte Carlo Simulations of Ice Sheet Models. In: 5th International Symposium on Spatial Data Quality, ITC, Enschede, 13 June 2007 - 17 June 2007.
    • Dias, E S; Edwardes, A J; Purves, Ross S (2007). Analysing and aggregating visitor tracks in a protected area. In: 5th International Symposium on Spatial Data Quality, Enschede, 13 June 2007 - 15 June 2007. ITC - Faculty of Geo-Information Science and Earth Observation, online.
    • Purves, Ross S; Korup, Oliver (2007). Multiscale analysis of hillslope height for geomorphometry. In: GISRUK 2007 Geographical Information Science Research Conference, Maynooth (Ireland), 11 April 2007 - 13 April 2007, 484-488.
    • Derungs, Curdin; Purves, Ross S (2007). Empirical experiments on the nature of Swiss mountains. In: GISRUK 2007 Geographical Information Science Research Conference, Maynooth (Ireland), 11 April 2007 - 13 April 2007, online.
2006

• 2006

  • Journal Article

    • Laube, Patrick; Purves, Ross S (2006). An approach to evaluating motion pattern detection techniques in spatio-temporal data. Computers, Environment and Urban Systems, 30(3):347-374.
    • Campbell, Fay M A; Nienow, Peter W; Purves, Ross S (2006). Role of the supraglacial snowpack in mediating meltwater delivery to the glacier system as inferred from dye tracer investigations. Hydrological Processes, 20(4):969-985.
    • Purves, Ross S; Jones, Christopher B (2006). Geographic Information Retrieval (GIR). Computers, Environment and Urban Systems, 30(4):375-377.

  • Book Section

    • Purves, Ross S; Hebeler, F (2006). Uncertainty and terrain data in ice-sheet modelling (Case study). In: Heywood, Ian; Cornelius, Sarah; Carver, Steve. An introduction to Geographical Information Systems. Harlow: Pearson, ?.
    • Clough, Paul D; Joho, Hideo; Purves, Ross S (2006). Judging the spatial relevance of documents for GIR. In: Lalmas, Mounia; MacFarlane, Andy; Rüger, Stefan; Tombros, Anastasios; Tsikrika, Theodora; Yavlinsky, Alexei. Advances in Information Retrieval. Berlin: Springer, 548-552.

  • Conference or Workshop item

    • Purves, Ross S; Heierli, Joachim (2006). Evaluating nearest neighbours in avalanche forecasting - a qualitative approach to assessing information content?. In: International Snow Science Workshop, Telluride CO, 1 October 2006 - 6 October 2006, 701-708.
    • Maggioni, Margherita; Gruber, Urs; Purves, Ross S; Freppaz, Michele (2006). Potential release areas and return period of avalanches: is there a relation?. In: International Snow Science Workshop 2006, Telluride CO, 1 October 2006 - 6 October 2006, online.
    • Purves, Ross S; Clough, Paul D (2006). Judging spatial relevance and document location for Geographic Information Retrieval. In: GIScience 2006, Münster (D), 20 September 2006 - 23 September 2006, 159-164.