{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T00:35:03Z","timestamp":1768005303051,"version":"3.49.0"},"publisher-location":"New York, NY, USA","reference-count":26,"publisher":"ACM","license":[{"start":{"date-parts":[[2013,2,23]],"date-time":"2013-02-23T00:00:00Z","timestamp":1361577600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2013,2,23]]},"DOI":"10.1145\/2441776.2441845","type":"proceedings-article","created":{"date-parts":[[2013,2,22]],"date-time":"2013-02-22T19:25:33Z","timestamp":1361561133000},"page":"611-622","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":40,"title":["Putting ubiquitous crowd-sourcing into context"],"prefix":"10.1145","author":[{"given":"Afra","family":"Mashhadi","sequence":"first","affiliation":[{"name":"Alcatel-Lucent Bell Labs, Dublin, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giovanni","family":"Quattrone","sequence":"additional","affiliation":[{"name":"University College London, London, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Licia","family":"Capra","sequence":"additional","affiliation":[{"name":"University College London, London, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2013,2,23]]},"reference":[{"key":"e_1_3_2_1_1_1","volume-title":"Cities Of The World: World Regional Urban Development","author":"Brunn S.","year":"2003","unstructured":"S. Brunn , J. Williams , and D. Zeigler . Cities Of The World: World Regional Urban Development . Rowman & Littlefield Publishers , 2003 . S. Brunn, J. Williams, and D. Zeigler. Cities Of The World: World Regional Urban Development. Rowman & Littlefield Publishers, 2003."},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1467-9671.2010.01203.x"},{"key":"e_1_3_2_1_3_1","volume-title":"Wikipedia Survey - overview of results","author":"Glott R.","year":"2010","unstructured":"R. Glott , P. Schmidt , and R. Ghosh . Wikipedia Survey - overview of results . United Nations University: Collaborative Creativity Group , 2010 . R. Glott, P. Schmidt, and R. Ghosh. Wikipedia Survey - overview of results. United Nations University: Collaborative Creativity Group, 2010."},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10708-007-9111-y"},{"key":"e_1_3_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1068\/b35097"},{"issue":"4","key":"e_1_3_2_1_6_1","first-page":"315","article-title":"How Many Volunteers Does it Take to Map an Area Well? The Validity of Linus Law to Volunteered Geographic Information. Cartographic Journal","volume":"47","author":"Haklay M.","year":"2010","unstructured":"M. Haklay , S. Basiouka , V. Antoniou , and A. Ather . How Many Volunteers Does it Take to Map an Area Well? The Validity of Linus Law to Volunteered Geographic Information. Cartographic Journal , The , 47 ( 4 ): 315 -- 322 , 2010 . M. Haklay, S. Basiouka, V. Antoniou, and A. Ather. How Many Volunteers Does it Take to Map an Area Well? The Validity of Linus Law to Volunteered Geographic Information. Cartographic Journal, The, 47(4):315--322, 2010.","journal-title":"The"},{"key":"e_1_3_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1177\/1461444811405805"},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1145\/1556460.1556463"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/1718918.1718962"},{"key":"e_1_3_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1145\/2038558.2038560"},{"key":"e_1_3_2_1_11_1","volume-title":"Proceedings of the 5th International AAAI Conference on Weblogs and Social Media.","author":"Laniado D.","year":"2011","unstructured":"D. Laniado , R. Tasso , Y. Volkovich , and A. Kaltenbrunner . When the Wikipedians Talk: Network and Tree Structure of Wikipedia Discussion Pages . In Proceedings of the 5th International AAAI Conference on Weblogs and Social Media. 2011 . D. Laniado, R. Tasso, Y. Volkovich, and A. Kaltenbrunner. When the Wikipedians Talk: Network and Tree Structure of Wikipedia Discussion Pages. In Proceedings of the 5th International AAAI Conference on Weblogs and Social Media. 2011."},{"key":"e_1_3_2_1_12_1","volume-title":"A Comparison of the Street Networks of Navteq and OSM in Germany. Advancing Geoinformation Science for a Changing World, 1(2):65--84","author":"Ludwig I.","year":"2011","unstructured":"I. Ludwig , A. Voss , and M. Krause-Traudes . A Comparison of the Street Networks of Navteq and OSM in Germany. Advancing Geoinformation Science for a Changing World, 1(2):65--84 , 2011 . I. Ludwig, A. Voss, and M. Krause-Traudes. A Comparison of the Street Networks of Navteq and OSM in Germany. Advancing Geoinformation Science for a Changing World, 1(2):65--84, 2011."},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/2462932.2462952"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1201\/9781482267891"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1145\/1753326.1753615"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1145\/2038558.2038587"},{"key":"e_1_3_2_1_17_1","volume-title":"Proceedings of the 4th International AAAI Conference on Weblogs and Social Media.","author":"Popescu A.","year":"2010","unstructured":"A. Popescu and G. Grefenstette . Mining user home location and gender from Flickr tags . In Proceedings of the 4th International AAAI Conference on Weblogs and Social Media. 2010 . A. Popescu and G. Grefenstette. Mining user home location and gender from Flickr tags. In Proceedings of the 4th International AAAI Conference on Weblogs and Social Media. 2010."},{"key":"e_1_3_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1145\/1296951.1296962"},{"key":"e_1_3_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1145\/1718918.1718931"},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1145\/1460563.1460606"},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0015923"},{"key":"e_1_3_2_1_22_1","volume-title":"The Digital Production Gap: The Digital Divide and Web 2.0 Collide. Poetics, 39(2):145--168","author":"Schradie J.","year":"2011","unstructured":"J. Schradie . The Digital Production Gap: The Digital Divide and Web 2.0 Collide. Poetics, 39(2):145--168 , 2011 . J. Schradie. The Digital Production Gap: The Digital Divide and Web 2.0 Collide. Poetics, 39(2):145--168, 2011."},{"key":"e_1_3_2_1_23_1","volume-title":"Proceedings of the 6th International AAAI Conference on Weblogs and Social Media.","author":"Volkovich Y.","year":"2012","unstructured":"Y. Volkovich , S. Scellato , D. Laniado , C. Mascolo , and A. Kaltenbrunner . The Length of Bridge Ties: Structural and Geographic Properties of Online Social Interactions . In Proceedings of the 6th International AAAI Conference on Weblogs and Social Media. 2012 . Y. Volkovich, S. Scellato, D. Laniado, C. Mascolo, and A. Kaltenbrunner. The Length of Bridge Ties: Structural and Geographic Properties of Online Social Interactions. In Proceedings of the 6th International AAAI Conference on Weblogs and Social Media. 2012."},{"key":"e_1_3_2_1_24_1","first-page":"24","volume-title":"Measuring Wikipedia. In Proceedings of the 10th International Conference of the International Society for Scientometrics and Informetrics","author":"Voss J.","year":"2005","unstructured":"J. Voss . Measuring Wikipedia. In Proceedings of the 10th International Conference of the International Society for Scientometrics and Informetrics , pages 24 -- 28 , 2005 . J. Voss. Measuring Wikipedia. In Proceedings of the 10th International Conference of the International Society for Scientometrics and Informetrics, pages 24--28, 2005."},{"key":"e_1_3_2_1_25_1","volume-title":"Proceedings of the 13th International Conference on Geographic Information Science","author":"Zielstra D.","year":"2010","unstructured":"D. Zielstra and A. Zipf . A Comparative Study of Proprietary Geodata and Volunteered Geographic Information for Germany . In Proceedings of the 13th International Conference on Geographic Information Science , 2010 . D. Zielstra and A. Zipf. A Comparative Study of Proprietary Geodata and Volunteered Geographic Information for Germany. In Proceedings of the 13th International Conference on Geographic Information Science, 2010."},{"key":"e_1_3_2_1_26_1","volume-title":"Volunteered Geographic Information and Crowdsourcing Disaster Relief: A Case Study of the Haitian Earthquake. World Medical and Health Policy, 2(2)","author":"Zook M.","year":"2010","unstructured":"M. Zook , M. Graham , T. Shelton , and S. Gorman . Volunteered Geographic Information and Crowdsourcing Disaster Relief: A Case Study of the Haitian Earthquake. World Medical and Health Policy, 2(2) , 2010 . M. Zook, M. Graham, T. Shelton, and S. Gorman. Volunteered Geographic Information and Crowdsourcing Disaster Relief: A Case Study of the Haitian Earthquake. World Medical and Health Policy, 2(2), 2010."}],"event":{"name":"CSCW '13: Computer Supported Cooperative Work","location":"San Antonio Texas USA","acronym":"CSCW '13","sponsor":["SIGCHI ACM Special Interest Group on Computer-Human Interaction"]},"container-title":["Proceedings of the 2013 conference on Computer supported cooperative work"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2441776.2441845","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2441776.2441845","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T08:19:14Z","timestamp":1750234754000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2441776.2441845"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,2,23]]},"references-count":26,"alternative-id":["10.1145\/2441776.2441845","10.1145\/2441776"],"URL":"https:\/\/doi.org\/10.1145\/2441776.2441845","relation":{},"subject":[],"published":{"date-parts":[[2013,2,23]]},"assertion":[{"value":"2013-02-23","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}