{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,18]],"date-time":"2025-11-18T12:18:45Z","timestamp":1763468325867,"version":"3.45.0"},"publisher-location":"New York, NY, USA","reference-count":49,"publisher":"ACM","license":[{"start":{"date-parts":[[2017,2,27]],"date-time":"2017-02-27T00:00:00Z","timestamp":1488153600000},"content-version":"vor","delay-in-days":366,"URL":"http:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["0808692, 1017697, 1319382"],"award-info":[{"award-number":["0808692, 1017697, 1319382"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2016,2,27]]},"DOI":"10.1145\/2818048.2820009","type":"proceedings-article","created":{"date-parts":[[2016,2,29]],"date-time":"2016-02-29T11:40:27Z","timestamp":1456746027000},"page":"595-608","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":15,"title":["Early Activity Diversity"],"prefix":"10.1145","author":[{"given":"Raghav Pavan","family":"Karumur","sequence":"first","affiliation":[{"name":"University of Minnesota, Twin Cities"}]},{"given":"Tien T.","family":"Nguyen","sequence":"additional","affiliation":[{"name":"University of Minnesota"}]},{"given":"Joseph A.","family":"Konstan","sequence":"additional","affiliation":[{"name":"University of Minnesota"}]}],"member":"320","published-online":{"date-parts":[[2016,2,27]]},"reference":[{"key":"e_1_3_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/1124772.1124916"},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1037\/0021-9010.92.3.707"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1109\/SocialCom-PASSAT.2012.84"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1145\/1518701.1518847"},{"key":"e_1_3_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1145\/1753326.1753613"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1037\/0021-9010.90.5.928"},{"key":"e_1_3_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/1718918.1718940"},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1145\/2675133.2675181"},{"volume-title":"The Princeton guide to ecology (1st. ed.), Simon A","author":"Colwell Robert K.","key":"e_1_3_2_1_9_1","unstructured":"Robert K. Colwell. 2009. Biodiversity: concepts, patterns and measurement. In The Princeton guide to ecology (1st. ed.), Simon A. Levin (eds.). Princeton University Press, Princeton, NJ, 257-263."},{"key":"e_1_3_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1145\/2187980.2188207"},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10606-005-9000-1"},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/2556420.2556477"},{"key":"e_1_3_2_1_13_1","volume-title":"Retrieved","author":"Fox John","year":"2002","unstructured":"John Fox. 2002. Cox Proportional-Hazards Regression for Survival Data. Retrieved July 24, 2015 from https:\/\/socserv.socsci.mcmaster.ca\/jfox\/Books\/Companion-1E\/appendix-cox-regression.pdf"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1145\/1639714.1639730"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1145\/2145204.2145349"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1145\/2441776.2441873"},{"key":"e_1_3_2_1_17_1","unstructured":"Corrado Gini. 1912. Variabilit\u00e0 e mutabilit\u00e0 contributo allo studio delle distribuzioni e delle relazioni statistiche. {Fasc. I.} Tipogr. di P. Cuppini."},{"key":"e_1_3_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.actao.2007.02.001"},{"key":"e_1_3_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.2006.0030-1299.14714.x"},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1083-6101.2006.00033.x"},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1145\/2124295.2124374"},{"key":"e_1_3_2_1_22_1","doi-asserted-by":"publisher","DOI":"10.1109\/CSE.2009.80"},{"key":"e_1_3_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.5555\/518514"},{"key":"e_1_3_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1744-6570.1996.tb01790.x"},{"key":"e_1_3_2_1_25_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1744-6570.2005.00672.x"},{"key":"e_1_3_2_1_26_1","volume-title":"Moreland","author":"Levine John M.","year":"1994","unstructured":"John M. Levine and Richard L. Moreland. 1994. Group socialization: Theory and research. In European Review of Social Psychology (Vol. 5), Wolfgang. Stroebe & Miles Hewstone (eds.). John Wiley & Sons, NY, 305-336."},{"key":"e_1_3_2_1_27_1","doi-asserted-by":"publisher","DOI":"10.1145\/1880071.1880106"},{"key":"e_1_3_2_1_28_1","doi-asserted-by":"publisher","DOI":"10.1145\/332040.332409"},{"key":"e_1_3_2_1_29_1","doi-asserted-by":"publisher","DOI":"10.1145\/1297797.1297798"},{"key":"e_1_3_2_1_30_1","first-page":"274","volume-title":"Proceedings of the Sixth International AAAI Conference on Web and Social Media (ICWSM'12)","author":"Pal Aditya","unstructured":"Aditya Pal, Shuo Chang, and Joseph A. Konstan. 2012. Evolution of experts in Question Answering Communities. In Proceedings of the Sixth International AAAI Conference on Web and Social Media (ICWSM'12), 274-281."},{"key":"e_1_3_2_1_31_1","doi-asserted-by":"publisher","DOI":"10.1145\/1531674.1531682"},{"key":"e_1_3_2_1_32_1","doi-asserted-by":"publisher","unstructured":"Derek M. Powazek. 2002. Design for Community: The Art of Connecting Real People in Virtual Places. New Riders.","DOI":"10.5555\/516336"},{"key":"e_1_3_2_1_33_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chb.2003.10.015"},{"key":"e_1_3_2_1_34_1","doi-asserted-by":"publisher","DOI":"10.1145\/2567948.2576965"},{"key":"e_1_3_2_1_35_1","first-page":"105","article-title":"Zero Defections: Quality Comes to Services","volume":"68","author":"Reichheld Frederick F.","year":"1990","unstructured":"Frederick F. Reichheld, W. Earl Sasser. 1990. Zero Defections: Quality Comes to Services. Harvard Business Review 68, 5: 105-111","journal-title":"Harvard Business Review"},{"key":"e_1_3_2_1_36_1","doi-asserted-by":"publisher","DOI":"10.1108\/eb008094"},{"key":"e_1_3_2_1_37_1","doi-asserted-by":"publisher","DOI":"10.1145\/584091.584093"},{"key":"e_1_3_2_1_38_1","doi-asserted-by":"publisher","DOI":"10.1038\/163688a0"},{"key":"e_1_3_2_1_39_1","volume-title":"Card Sorting: Designing Usable Categories. Rosenfeld Media.","author":"Spencer Donna","year":"2009","unstructured":"Donna Spencer. 2009. Card Sorting: Designing Usable Categories. Rosenfeld Media."},{"key":"e_1_3_2_1_40_1","doi-asserted-by":"publisher","DOI":"10.5555\/2017307.2017313"},{"key":"e_1_3_2_1_41_1","volume-title":"Welser","author":"Turner Tammara Combs","year":"2005","unstructured":"Tammara Combs Turner, Marc A. Smith, Danyel Fisher, and Howard T. Welser. 2005. Picturing Usenet: Mapping computer mediated collective action. In Computer-Mediated Commun. 10, 4: 00-00."},{"key":"e_1_3_2_1_42_1","first-page":"1","article-title":"Visualizing the signatures of social roles in online discussion groups","volume":"8","author":"Welser Howard T.","year":"2007","unstructured":"Howard T. Welser, Eric Gleave, Danyel Fisher, and Marc Smith. 2007. Visualizing the signatures of social roles in online discussion groups. Journal of social structure 8, 2: 1-32.","journal-title":"Journal of social structure"},{"key":"e_1_3_2_1_43_1","doi-asserted-by":"publisher","DOI":"10.1109\/SSDM.2003.1214978"},{"key":"e_1_3_2_1_44_1","doi-asserted-by":"crossref","first-page":"2","DOI":"10.1016\/S0963-8687(00)00045-7","article-title":"It is what one does': why people participate and help others in electronic communities of practice","volume":"9","author":"Wasko M. McLure","year":"2000","unstructured":"M. McLure Wasko, and Sameer Faraj. 2000. 'It is what one does': why people participate and help others in electronic communities of practice. Journal of Strategic Information Systems 9, 2-3: 155-173.","journal-title":"Journal of Strategic Information Systems"},{"key":"e_1_3_2_1_45_1","volume-title":"Retrieved","author":"Foundation The Wikimedia","year":"2015","unstructured":"The Wikimedia Foundation. Attracting and retaining participants. Retrieved July 21, 2015 from https:\/\/strategy.wikimedia.org\/wiki\/Attracting_and_retaining_participants"},{"key":"e_1_3_2_1_46_1","first-page":"186","volume-title":"Proceedings of the Fourth International AAAI Conference on Web and Social Media (ICWSM'10)","author":"Yang Jiang","unstructured":"Jiang Yang, Wei Xiao, Mark S. Ackerman, and Lada A. Adamic. 2010.Activity Lifespan: An Analysis of User Survival Patterns in Online Knowledge Sharing Communities. In Proceedings of the Fourth International AAAI Conference on Web and Social Media (ICWSM'10), 186-193."},{"key":"e_1_3_2_1_47_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10606-013-9188-4"},{"key":"e_1_3_2_1_48_1","doi-asserted-by":"publisher","DOI":"10.1145\/2145204.2145344"},{"key":"e_1_3_2_1_49_1","doi-asserted-by":"publisher","DOI":"10.1145\/2556288.2557213"}],"event":{"name":"CSCW '16: Computer Supported Cooperative Work and Social Computing","sponsor":["SIGCHI ACM Special Interest Group on Computer-Human Interaction"],"location":"San Francisco California USA","acronym":"CSCW '16"},"container-title":["Proceedings of the 19th ACM Conference on Computer-Supported Cooperative Work &amp; Social Computing"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2818048.2820009","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2818048.2820009","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2818048.2820009","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,11,18]],"date-time":"2025-11-18T09:22:39Z","timestamp":1763457759000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2818048.2820009"}},"subtitle":["Assessing Newcomer Retention from First-Session Activity"],"short-title":[],"issued":{"date-parts":[[2016,2,27]]},"references-count":49,"alternative-id":["10.1145\/2818048.2820009","10.1145\/2818048"],"URL":"https:\/\/doi.org\/10.1145\/2818048.2820009","relation":{},"subject":[],"published":{"date-parts":[[2016,2,27]]},"assertion":[{"value":"2016-02-27","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}