{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T16:19:26Z","timestamp":1781885966822,"version":"3.54.5"},"publisher-location":"New York, NY, USA","reference-count":45,"publisher":"ACM","license":[{"start":{"date-parts":[[2010,12,6]],"date-time":"2010-12-06T00:00:00Z","timestamp":1291593600000},"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":[[2010,12,6]]},"DOI":"10.1145\/1920261.1920265","type":"proceedings-article","created":{"date-parts":[[2010,12,20]],"date-time":"2010-12-20T16:13:47Z","timestamp":1292861627000},"page":"21-30","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":347,"title":["Who is tweeting on Twitter"],"prefix":"10.1145","author":[{"given":"Zi","family":"Chu","sequence":"first","affiliation":[{"name":"The College of William and Mary, Williamsburg, VA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steven","family":"Gianvecchio","sequence":"additional","affiliation":[{"name":"The College of William and Mary, Williamsburg, VA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haining","family":"Wang","sequence":"additional","affiliation":[{"name":"The College of William and Mary, Williamsburg, VA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sushil","family":"Jajodia","sequence":"additional","affiliation":[{"name":"George Mason University, Fairfax, VA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2010,12,6]]},"reference":[{"key":"e_1_3_2_1_1_1","volume-title":"http:\/\/www.readwriteweb.com\/archives\/amazon_comes_to_twitter.php {Accessed","author":"Amazon","year":"2009","unstructured":"Amazon comes to twitter. http:\/\/www.readwriteweb.com\/archives\/amazon_comes_to_twitter.php {Accessed : Dec. 20, 2009 }. Amazon comes to twitter. http:\/\/www.readwriteweb.com\/archives\/amazon_comes_to_twitter.php {Accessed: Dec. 20, 2009}."},{"key":"e_1_3_2_1_2_1","volume-title":"http:\/\/twitter.com\/BarackObama\/ {Accessed","author":"Barack","year":"2009","unstructured":"Barack obama uses twitter in 2008 presidential campaign. http:\/\/twitter.com\/BarackObama\/ {Accessed : Dec. 20, 2009 }. Barack obama uses twitter in 2008 presidential campaign. http:\/\/twitter.com\/BarackObama\/ {Accessed: Dec. 20, 2009}."},{"key":"e_1_3_2_1_3_1","volume-title":"http:\/\/twitter.com\/in_social_media\/status\/2756927865 {Accessed","author":"Best","year":"2009","unstructured":"Best buy goes all twitter crazy with @twelpforce. http:\/\/twitter.com\/in_social_media\/status\/2756927865 {Accessed : Dec. 20, 2009 }. Best buy goes all twitter crazy with @twelpforce. http:\/\/twitter.com\/in_social_media\/status\/2756927865 {Accessed: Dec. 20, 2009}."},{"key":"e_1_3_2_1_4_1","volume-title":"http:\/\/crm114.sourceforge.net\/ {Accessed","author":"The","year":"2009","unstructured":"The crm114 discriminator. http:\/\/crm114.sourceforge.net\/ {Accessed : Sept. 12, 2009 }. The crm114 discriminator. http:\/\/crm114.sourceforge.net\/ {Accessed: Sept. 12, 2009}."},{"key":"e_1_3_2_1_5_1","unstructured":"Alexa. The top 500 sites on the web by alexa. http:\/\/www.alexa.com\/topsites {Accessed: Jan. 15 2010}.  Alexa. The top 500 sites on the web by alexa. http:\/\/www.alexa.com\/topsites {Accessed: Jan. 15 2010}."},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/1298306.1298309"},{"key":"e_1_3_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/1526709.1526806"},{"key":"e_1_3_2_1_8_1","volume-title":"Elements of information theory","author":"Cover Thomas M.","year":"2006","unstructured":"Thomas M. Cover and Joy A. Thomas . Elements of information theory . Wiley-Interscience , New York, NY, USA , 2006 . Thomas M. Cover and Joy A. Thomas. Elements of information theory. Wiley-Interscience, New York, NY, USA, 2006."},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/1298306.1298313"},{"key":"e_1_3_2_1_10_1","volume-title":"To appear on CHI 2010 Workshop on Microblogging: What and How Can We Learn From It?","author":"Moon Dongwoo Kim Il-Chul","year":"2010","unstructured":"Il-Chul Moon Dongwoo Kim , Yohan Jo and Alice Oh. Analysis of twitter lists as a potential source for discovering latent characteristics of users . In To appear on CHI 2010 Workshop on Microblogging: What and How Can We Learn From It? , 2010 . Il-Chul Moon Dongwoo Kim, Yohan Jo and Alice Oh. Analysis of twitter lists as a potential source for discovering latent characteristics of users. In To appear on CHI 2010 Workshop on Microblogging: What and How Can We Learn From It?, 2010."},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1109\/49.103559"},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/1315245.1315284"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/1653662.1653694"},{"key":"e_1_3_2_1_14_1","volume-title":"Proceedings of the 17th USENIX Security symposium","author":"Gianvecchio Steven","year":"2008","unstructured":"Steven Gianvecchio , Mengjun Xie , Zhenyu Wu , and Haining Wang . Measurement and classification of humans and bots in internet chat . In Proceedings of the 17th USENIX Security symposium , San Jose, CA , 2008 . Steven Gianvecchio, Mengjun Xie, Zhenyu Wu, and Haining Wang. Measurement and classification of humans and bots in internet chat. In Proceedings of the 17th USENIX Security symposium, San Jose, CA, 2008."},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.5555\/1833515.1833840"},{"key":"e_1_3_2_1_16_1","unstructured":"Google. Google safe browsing API. http:\/\/code.google.com\/apis\/safebrowsing\/ {Accessed: Feb. 5 2010}.  Google. Google safe browsing API. http:\/\/code.google.com\/apis\/safebrowsing\/ {Accessed: Feb. 5 2010}."},{"key":"e_1_3_2_1_17_1","volume-title":"A plan for spam","author":"Graham Paul","year":"2002","unstructured":"Paul Graham . A plan for spam , 2002 . http:\/\/www.paulgraham.com\/spam.html {Accessed: Jan. 25, 2008}. Paul Graham. A plan for spam, 2002. http:\/\/www.paulgraham.com\/spam.html {Accessed: Jan. 25, 2008}."},{"key":"e_1_3_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.5555\/347319.346289"},{"key":"e_1_3_2_1_19_1","volume-title":"WSC '04: Proceedings of the 36th conference on Winter simulation","author":"Christopher","year":"2004","unstructured":"Christopher M. Hill and Linda C. Malone. Using simulated data in support of research on regression analysis . In WSC '04: Proceedings of the 36th conference on Winter simulation , 2004 . Christopher M. Hill and Linda C. Malone. Using simulated data in support of research on regression analysis. In WSC '04: Proceedings of the 36th conference on Winter simulation, 2004."},{"key":"e_1_3_2_1_20_1","volume-title":"Complexity and adaptation. Phys. D, 2(1--3)","author":"Huberman B A","year":"1986","unstructured":"B A Huberman and T Hogg . Complexity and adaptation. Phys. D, 2(1--3) , 1986 . B A Huberman and T Hogg. Complexity and adaptation. Phys. D, 2(1--3), 1986."},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1504\/IJEM.2009.031564"},{"key":"e_1_3_2_1_22_1","doi-asserted-by":"publisher","DOI":"10.1109\/ccnc08.2007.181"},{"key":"e_1_3_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.1002\/asi.v60:11"},{"key":"e_1_3_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1145\/1348549.1348556"},{"key":"e_1_3_2_1_25_1","doi-asserted-by":"publisher","DOI":"10.1145\/1397735.1397741"},{"key":"e_1_3_2_1_26_1","volume-title":"Discriminant Analysis and Statistical Pattern Recognition","author":"McLachlan G. J.","year":"2004","unstructured":"G. J. McLachlan . Discriminant Analysis and Statistical Pattern Recognition . Wiley Interscience , 2004 . G. J. McLachlan. Discriminant Analysis and Statistical Pattern Recognition. Wiley Interscience, 2004."},{"key":"e_1_3_2_1_27_1","doi-asserted-by":"publisher","DOI":"10.1145\/1298306.1298311"},{"key":"e_1_3_2_1_28_1","volume-title":"Biological Cybernetics","volume":"1998","author":"Porta A","unstructured":"A Porta , G Baselli , D Liberati , N Montano , C Cogliati , T Gnecchi-Ruscone , A Malliani , and S Cerutti . Measuring regularity by means of a corrected conditional entropy in sympathetic outflow . Biological Cybernetics , Vol. 78(No. 1), January 1998 . A Porta, G Baselli, D Liberati, N Montano, C Cogliati, T Gnecchi-Ruscone, A Malliani, and S Cerutti. Measuring regularity by means of a corrected conditional entropy in sympathetic outflow. Biological Cybernetics, Vol. 78(No. 1), January 1998."},{"key":"e_1_3_2_1_29_1","doi-asserted-by":"publisher","DOI":"10.1145\/612201.612294"},{"key":"e_1_3_2_1_30_1","unstructured":"Erick Schonfeld. Costolo: Twitter now has 190 million users tweeting 65 million times a day. http:\/\/techcrunch.com\/2010\/06\/08\/twitter-190-million-users\/ {Accessed: Sept. 26 2010}.  Erick Schonfeld. Costolo: Twitter now has 190 million users tweeting 65 million times a day. http:\/\/techcrunch.com\/2010\/06\/08\/twitter-190-million-users\/ {Accessed: Sept. 26 2010}."},{"key":"e_1_3_2_1_31_1","doi-asserted-by":"publisher","DOI":"10.1145\/505282.505283"},{"key":"e_1_3_2_1_32_1","doi-asserted-by":"publisher","DOI":"10.1145\/1718918.1718965"},{"key":"e_1_3_2_1_33_1","unstructured":"Statsoft. Statistica a statistics and analytics software package developed by statsoft. http:\/\/www.statsoft.com\/support\/download\/brochures\/ {Accessed: Mar. 12 2010}.  Statsoft. Statistica a statistics and analytics software package developed by statsoft. http:\/\/www.statsoft.com\/support\/download\/brochures\/ {Accessed: Mar. 12 2010}."},{"key":"e_1_3_2_1_34_1","doi-asserted-by":"publisher","DOI":"10.1145\/1653662.1653738"},{"key":"e_1_3_2_1_35_1","volume-title":"Proceedings of the 2008 ISCRAM Conference","author":"Sutton J.","year":"2008","unstructured":"J. Sutton , Leysia Palen , and Irina Shlovski . Back-channels on the front lines: Emerging use of social media in the 2007 southern california wildfires . In Proceedings of the 2008 ISCRAM Conference , Washington, DC, USA , May 2008 . J. Sutton, Leysia Palen, and Irina Shlovski. Back-channels on the front lines: Emerging use of social media in the 2007 southern california wildfires. In Proceedings of the 2008 ISCRAM Conference, Washington, DC, USA, May 2008."},{"key":"e_1_3_2_1_36_1","doi-asserted-by":"publisher","DOI":"10.5555\/601134"},{"key":"e_1_3_2_1_37_1","unstructured":"Tweetadder. Automatic twitter software. http:\/\/www.tweetadder.com\/ {Accessed: Feb. 5 2010}.  Tweetadder. Automatic twitter software. http:\/\/www.tweetadder.com\/ {Accessed: Feb. 5 2010}."},{"key":"e_1_3_2_1_38_1","unstructured":"Twitter. How to report spam on twitter. http:\/\/help.twitter.com\/entries\/64986 {Accessed: May. 30 2010}.  Twitter. How to report spam on twitter. http:\/\/help.twitter.com\/entries\/64986 {Accessed: May. 30 2010}."},{"key":"e_1_3_2_1_39_1","unstructured":"Twitter. Twitter api wiki. http:\/\/apiwiki.twitter.com\/ {Accessed: Feb. 5 2010}.  Twitter. Twitter api wiki. http:\/\/apiwiki.twitter.com\/ {Accessed: Feb. 5 2010}."},{"key":"e_1_3_2_1_40_1","doi-asserted-by":"publisher","DOI":"10.1109\/ACSAC.2007.24"},{"key":"e_1_3_2_1_41_1","doi-asserted-by":"publisher","DOI":"10.1145\/1180405.1180428"},{"key":"e_1_3_2_1_42_1","volume-title":"Proceedings of the 14th International Workshop on Security Protocols","author":"Yan Jeff","year":"2006","unstructured":"Jeff Yan . Bot, cyborg and automated turing test . In Proceedings of the 14th International Workshop on Security Protocols , Cambridge, UK , March 2006 . Jeff Yan. Bot, cyborg and automated turing test. In Proceedings of the 14th International Workshop on Security Protocols, Cambridge, UK, March 2006."},{"key":"e_1_3_2_1_43_1","volume-title":"January","author":"Yardi Sarita","year":"2010","unstructured":"Sarita Yardi , Daniel Romero , Grant Schoenebeck , and Danah Boyd . Detecting spam in a twitter network. First Monday, 15(1) , January 2010 . Sarita Yardi, Daniel Romero, Grant Schoenebeck, and Danah Boyd. Detecting spam in a twitter network. First Monday, 15(1), January 2010."},{"key":"e_1_3_2_1_44_1","volume-title":"No Starch Press","author":"Zdziarski Jonathan A.","year":"2005","unstructured":"Jonathan A. Zdziarski . Ending Spam : Bayesian Content Filtering and the Art of Statistical Language Classification . No Starch Press , 2005 . Jonathan A. Zdziarski. Ending Spam: Bayesian Content Filtering and the Art of Statistical Language Classification. No Starch Press, 2005."},{"key":"e_1_3_2_1_45_1","doi-asserted-by":"publisher","DOI":"10.1145\/1531674.1531710"}],"event":{"name":"ACSAC '10: 2010 Annual Computer Security Applications Conference","location":"Austin Texas USA","acronym":"ACSAC '10","sponsor":["ACSA Applied Computing Security Assoc"]},"container-title":["Proceedings of the 26th Annual Computer Security Applications Conference"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1920261.1920265","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/1920261.1920265","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T20:22:43Z","timestamp":1750278163000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1920261.1920265"}},"subtitle":["human, bot, or cyborg?"],"short-title":[],"issued":{"date-parts":[[2010,12,6]]},"references-count":45,"alternative-id":["10.1145\/1920261.1920265","10.1145\/1920261"],"URL":"https:\/\/doi.org\/10.1145\/1920261.1920265","relation":{},"subject":[],"published":{"date-parts":[[2010,12,6]]},"assertion":[{"value":"2010-12-06","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}