{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T05:16:00Z","timestamp":1790486160775,"version":"4.1.0"},"publisher-location":"New York, NY, USA","reference-count":37,"publisher":"ACM","license":[{"start":{"date-parts":[[2018,2,2]],"date-time":"2018-02-02T00:00:00Z","timestamp":1517529600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"DOI":"10.13039\/501100002341","name":"Academy of Finland","doi-asserted-by":"publisher","award":["286211 and 313927"],"award-info":[{"award-number":["286211 and 313927"]}],"id":[{"id":"10.13039\/501100002341","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100010663","name":"H2020 European Research Council","doi-asserted-by":"publisher","award":["654024"],"award-info":[{"award-number":["654024"]}],"id":[{"id":"10.13039\/100010663","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2018,2,2]]},"DOI":"10.1145\/3159652.3159669","type":"proceedings-article","created":{"date-parts":[[2018,2,6]],"date-time":"2018-02-06T18:12:23Z","timestamp":1517940743000},"page":"351-359","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":34,"title":["Joint Non-negative Matrix Factorization for Learning Ideological Leaning on Twitter"],"prefix":"10.1145","author":[{"given":"Preethi","family":"Lahoti","sequence":"first","affiliation":[{"name":"Max Planck Institute for Informatics & Aalto University, Saarbruecken, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kiran","family":"Garimella","sequence":"additional","affiliation":[{"name":"Aalto University, Espoo, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aristides","family":"Gionis","sequence":"additional","affiliation":[{"name":"Aalto University, Espoo, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2018,2,2]]},"reference":[{"key":"e_1_3_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.3162\/036298009787500358"},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1093\/pan\/mpi010"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"crossref","unstructured":"Eytan Bakshy Solomon Messing and Lada Adamic . 2015. Exposure to ideologically diverse news and opinion on Facebook. Science(2015).  Eytan Bakshy Solomon Messing and Lada Adamic . 2015. Exposure to ideologically diverse news and opinion on Facebook. Science(2015).","DOI":"10.1126\/science.aaa1160"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"crossref","unstructured":"Pablo Barber\u00e1 . 2015. Birds of the Same Feather Tweet Together: Bayesian Ideal Point Estimation Using Twitter Data. Political Analysis.  Pablo Barber\u00e1 . 2015. Birds of the Same Feather Tweet Together: Bayesian Ideal Point Estimation Using Twitter Data. Political Analysis.","DOI":"10.1093\/pan\/mpu011"},{"key":"e_1_3_2_1_5_1","doi-asserted-by":"crossref","unstructured":"Pablo Barber\u00e1 John Jost Jonathan Nagler Joshua Tucker and Richard Bonneau . 2015. Tweeting from left to right: Is online political communication more than an echo chamber? Psychological science.  Pablo Barber\u00e1 John Jost Jonathan Nagler Joshua Tucker and Richard Bonneau . 2015. Tweeting from left to right: Is online political communication more than an echo chamber? Psychological science.","DOI":"10.1177\/0956797615594620"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"crossref","unstructured":"Adam Bonica . 2013. Ideology and interests in the political marketplace. American Journal of Political Science Vol. 57(2013).  Adam Bonica . 2013. Ideology and interests in the political marketplace. American Journal of Political Science Vol. 57(2013).","DOI":"10.1111\/ajps.12014"},{"key":"e_1_3_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDM.2008.57"},{"key":"e_1_3_2_1_8_1","unstructured":"Raviv Cohen and Derek Ruths . 2013. Classifying political orientation on Twitter: It's not easy! ICWSM.  Raviv Cohen and Derek Ruths . 2013. Classifying political orientation on Twitter: It's not easy! ICWSM."},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"crossref","unstructured":"Michael Conover Bruno Gonccalves Jacob Ratkiewicz Alessandro Flammini and Filippo Menczer . 2011. Predicting the political alignment of twitter users SocialCom.  Michael Conover Bruno Gonccalves Jacob Ratkiewicz Alessandro Flammini and Filippo Menczer . 2011. Predicting the political alignment of twitter users SocialCom.","DOI":"10.1109\/PASSAT\/SocialCom.2011.34"},{"key":"e_1_3_2_1_10_1","volume-title":"Political polarization in the American public","author":"Dimock Michael"},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"crossref","unstructured":"Chris Ding Xiaofeng He and Horst Simon . 2005. On the equivalence of nonnegative matrix factorization and spectral clustering SDM.  Chris Ding Xiaofeng He and Horst Simon . 2005. On the equivalence of nonnegative matrix factorization and spectral clustering SDM.","DOI":"10.1137\/1.9781611972757.70"},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/1150402.1150420"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"crossref","volume-title":"A theory of cognitive dissonance","author":"Leon Festinger","DOI":"10.1515\/9781503620766"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"crossref","unstructured":"Seth Flaxman Sharad Goel and Justin Rao . 2016. Filter bubbles echo chambers and online news consumption Public Opinion Quarterly.  Seth Flaxman Sharad Goel and Justin Rao . 2016. Filter bubbles echo chambers and online news consumption Public Opinion Quarterly.","DOI":"10.1093\/poq\/nfw006"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1145\/2835776.2835792"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1145\/3018661.3018703"},{"key":"e_1_3_2_1_17_1","doi-asserted-by":"crossref","unstructured":"Matthew Gentzkow and Jesse Shapiro . 2011. Ideological segregation online and offline. In The Quarterly Journal of Economics.  Matthew Gentzkow and Jesse Shapiro . 2011. Ideological segregation online and offline. In The Quarterly Journal of Economics.","DOI":"10.3386\/w15916"},{"key":"e_1_3_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1145\/2567948.2577368"},{"key":"e_1_3_2_1_19_1","doi-asserted-by":"crossref","unstructured":"Tim Groeling . 2013. Media bias by the numbers: Challenges and opportunities in the empirical study of partisan news. Annual Review of Political Science Vol. 16(2013).  Tim Groeling . 2013. Media bias by the numbers: Challenges and opportunities in the empirical study of partisan news. Annual Review of Political Science Vol. 16(2013).","DOI":"10.1146\/annurev-polisci-040811-115123"},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1162\/003355305775097542"},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1145\/1557019.1557063"},{"key":"e_1_3_2_1_22_1","doi-asserted-by":"publisher","DOI":"10.1145\/2998181.2998321"},{"key":"e_1_3_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDM.2006.160"},{"key":"e_1_3_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1145\/2531602.2531711"},{"key":"e_1_3_2_1_25_1","doi-asserted-by":"publisher","DOI":"10.1145\/2556288.2557240"},{"key":"e_1_3_2_1_26_1","doi-asserted-by":"publisher","DOI":"10.1037\/0022-3514.37.11.2098"},{"key":"e_1_3_2_1_27_1","doi-asserted-by":"publisher","DOI":"10.1145\/2806416.2806573"},{"key":"e_1_3_2_1_28_1","volume-title":"Political polarization & media habits","author":"Mitchell Amy"},{"key":"e_1_3_2_1_29_1","unstructured":"Sean Munson Stephanie Lee and Paul Resnick . 2013. Encouraging reading of diverse political viewpoints with a browser widget ICWSM.  Sean Munson Stephanie Lee and Paul Resnick . 2013. Encouraging reading of diverse political viewpoints with a browser widget ICWSM."},{"key":"e_1_3_2_1_30_1","doi-asserted-by":"crossref","volume-title":"The filter bubble: What the Internet is hiding from you","author":"Eli Pariser","DOI":"10.3139\/9783446431164"},{"key":"e_1_3_2_1_31_1","unstructured":"Ferran Pla and Llu'\u0131s Hurtado . 2014. Political Tendency Identification in Twitter using Sentiment Analysis Techniques COLING.  Ferran Pla and Llu'\u0131s Hurtado . 2014. Political Tendency Identification in Twitter using Sentiment Analysis Techniques COLING."},{"key":"e_1_3_2_1_32_1","volume-title":"Ideology and congress","author":"Poole Keith"},{"key":"e_1_3_2_1_33_1","volume-title":"Post-broadcast democracy: How media choice increases inequality in political involvement and polarizes elections","author":"Markus Prior"},{"key":"e_1_3_2_1_34_1","volume-title":"com 2.0","author":"Republic Cass Sunstein"},{"key":"e_1_3_2_1_35_1","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2016.2553667"},{"key":"e_1_3_2_1_36_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ipm.2009.12.007"},{"key":"e_1_3_2_1_37_1","doi-asserted-by":"publisher","DOI":"10.1145\/1277741.1277825"}],"event":{"name":"WSDM 2018: The Eleventh ACM International Conference on Web Search and Data Mining","location":"Marina Del Rey CA USA","acronym":"WSDM 2018","sponsor":["SIGMOD ACM Special Interest Group on Management of Data","SIGWEB ACM Special Interest Group on Hypertext, Hypermedia, and Web","SIGKDD ACM Special Interest Group on Knowledge Discovery in Data","SIGIR ACM Special Interest Group on Information Retrieval"]},"container-title":["Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3159652.3159669","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3159652.3159669","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T02:26:11Z","timestamp":1750213571000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3159652.3159669"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,2,2]]},"references-count":37,"alternative-id":["10.1145\/3159652.3159669","10.1145\/3159652"],"URL":"https:\/\/doi.org\/10.1145\/3159652.3159669","relation":{},"subject":[],"published":{"date-parts":[[2018,2,2]]},"assertion":[{"value":"2018-02-02","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}