{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T10:07:17Z","timestamp":1775815637039,"version":"3.50.1"},"publisher-location":"New York, NY, USA","reference-count":36,"publisher":"ACM","license":[{"start":{"date-parts":[[2011,8,21]],"date-time":"2011-08-21T00:00:00Z","timestamp":1313884800000},"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":[[2011,8,21]]},"DOI":"10.1145\/2020408.2020579","type":"proceedings-article","created":{"date-parts":[[2011,8,31]],"date-time":"2011-08-31T15:22:45Z","timestamp":1314804165000},"page":"1082-1090","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":2215,"title":["Friendship and mobility"],"prefix":"10.1145","author":[{"given":"Eunjoon","family":"Cho","sequence":"first","affiliation":[{"name":"Stanford University, Stanford, CA, USA"}]},{"given":"Seth A.","family":"Myers","sequence":"additional","affiliation":[{"name":"Stanford University, Stanford, CA, USA"}]},{"given":"Jure","family":"Leskovec","sequence":"additional","affiliation":[{"name":"Stanford University, Stanford, CA, USA"}]}],"member":"320","published-online":{"date-parts":[[2011,8,21]]},"reference":[{"key":"e_1_3_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/1772690.1772698"},{"key":"e_1_3_2_1_2_1","volume-title":"Nature","author":"Brockmann D.","year":"2006"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1137\/070710111"},{"key":"e_1_3_2_1_4_1","volume-title":"Routledge","author":"Couldry N.","year":"2003"},{"key":"e_1_3_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1145\/1526709.1526812"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/1864349.1864380"},{"key":"e_1_3_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00265-009-0739-0"},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.0900282106"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature02541"},{"key":"e_1_3_2_1_10_1","doi-asserted-by":"crossref","unstructured":"E. Glaeser and M. Kahn. Sprawl and urban growth. Handbook of regional and urban economics Jan 2004.  E. Glaeser and M. Kahn. Sprawl and urban growth. Handbook of regional and urban economics Jan 2004.","DOI":"10.3386\/w9733"},{"key":"e_1_3_2_1_11_1","unstructured":"J. Goldenberg and M. Levy. Distance is not dead: Social interaction and geographical distance in the internet era. Arxiv abs\/0906.3202 2009.  J. Goldenberg and M. Levy. Distance is not dead: Social interaction and geographical distance in the internet era. Arxiv abs\/0906.3202 2009."},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature06958"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/1772690.1772732"},{"key":"e_1_3_2_1_14_1","volume-title":"The MIT Press","author":"Hatton T. J.","year":"2008"},{"key":"e_1_3_2_1_15_1","article-title":"Mobile social networks and social practice: A case study of dodgeball","author":"Humphreys L.","year":"2008","journal-title":"Journal of Computer-Mediated Communication"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevE.80.021136"},{"key":"e_1_3_2_1_17_1","volume-title":"Workshop on Artificial Intelligence for Development, AAAI Spring Symposiumg","author":"Kapoor A.","year":"2010"},{"key":"e_1_3_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1109\/INFOCOM.2006.173"},{"key":"e_1_3_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.physa.2008.05.014"},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1109\/INFCOM.2009.5061995"},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1145\/1466443.1466449"},{"key":"e_1_3_2_1_22_1","doi-asserted-by":"publisher","DOI":"10.1145\/1367497.1367620"},{"key":"e_1_3_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.1109\/MNET.2010.5578914"},{"key":"e_1_3_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1145\/1835804.1835942"},{"key":"e_1_3_2_1_25_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.0503018102"},{"key":"e_1_3_2_1_26_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.soc.27.1.415"},{"key":"e_1_3_2_1_27_1","doi-asserted-by":"publisher","DOI":"10.1177\/0042098010377363"},{"key":"e_1_3_2_1_28_1","doi-asserted-by":"publisher","DOI":"10.1145\/1409944.1409952"},{"key":"e_1_3_2_1_29_1","volume-title":"ICWSM '11: International Conference on Weblogs and Social Media","author":"Noulas A.","year":"2011"},{"key":"e_1_3_2_1_30_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0016939"},{"key":"e_1_3_2_1_31_1","volume-title":"ICWSM '11: International Conference on Weblogs and Social Media","author":"Scellato S.","year":"2011"},{"key":"e_1_3_2_1_32_1","volume-title":"Science","author":"Song C.","year":"2010"},{"key":"e_1_3_2_1_33_1","doi-asserted-by":"publisher","DOI":"10.2307\/2655535"},{"key":"e_1_3_2_1_34_1","doi-asserted-by":"publisher","DOI":"10.1137\/1.9781611972818.84"},{"key":"e_1_3_2_1_35_1","doi-asserted-by":"publisher","DOI":"10.1145\/1772690.1772795"},{"key":"e_1_3_2_1_36_1","doi-asserted-by":"publisher","DOI":"10.1145\/1526709.1526816"}],"event":{"name":"KDD '11: The 17th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining","location":"San Diego California USA","acronym":"KDD '11","sponsor":["SIGMOD ACM Special Interest Group on Management of Data","SIGKDD ACM Special Interest Group on Knowledge Discovery in Data"]},"container-title":["Proceedings of the 17th ACM SIGKDD international conference on Knowledge discovery and data mining"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2020408.2020579","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2020408.2020579","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T09:48:21Z","timestamp":1750240101000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2020408.2020579"}},"subtitle":["user movement in location-based social networks"],"short-title":[],"issued":{"date-parts":[[2011,8,21]]},"references-count":36,"alternative-id":["10.1145\/2020408.2020579","10.1145\/2020408"],"URL":"https:\/\/doi.org\/10.1145\/2020408.2020579","relation":{},"subject":[],"published":{"date-parts":[[2011,8,21]]},"assertion":[{"value":"2011-08-21","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}