{"id":"https://openalex.org/W2132638717","doi":"https://doi.org/10.1145/1571941.1571966","title":"Simultaneously modeling semantics and structure of threaded discussions","display_name":"Simultaneously modeling semantics and structure of threaded discussions","publication_year":2009,"publication_date":"2009-07-19","ids":{"openalex":"https://openalex.org/W2132638717","doi":"https://doi.org/10.1145/1571941.1571966","mag":"2132638717"},"language":"en","primary_location":{"id":"doi:10.1145/1571941.1571966","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1571941.1571966","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100707569","display_name":"Chen Lin","orcid":"https://orcid.org/0000-0002-2275-997X"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chen Lin","raw_affiliation_strings":["Fudan University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002360117","display_name":"Jiang-Ming Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiang-Ming Yang","raw_affiliation_strings":["Microsoft Research, Asia, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Microsoft Research, Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069272117","display_name":"Rui Cai","orcid":"https://orcid.org/0000-0002-6499-2091"},"institutions":[{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rui Cai","raw_affiliation_strings":["Microsoft Research, Asia, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Microsoft Research, Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101839606","display_name":"Xinjing Wang","orcid":"https://orcid.org/0000-0002-0686-1982"},"institutions":[{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin-Jing Wang","raw_affiliation_strings":["Microsoft Research, Asia, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Microsoft Research, Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051392171","display_name":"Wei Wang","orcid":"https://orcid.org/0000-0002-9610-4810"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Wang","raw_affiliation_strings":["Fudan University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100707569"],"corresponding_institution_ids":["https://openalex.org/I24943067"],"apc_list":null,"apc_paid":null,"fwci":12.5851,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.98456031,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"131","last_page":"138"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13274","display_name":"Expert finding and Q&A systems","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13274","display_name":"Expert finding and Q&A systems","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.9955000281333923,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.991100013256073,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/thread","display_name":"Thread (computing)","score":0.8365888595581055},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7671390175819397},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.5358983278274536},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.5067411065101624},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.4387633502483368},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3969632089138031},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.371478796005249},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.3597269356250763},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.3456294536590576},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.1731628179550171}],"concepts":[{"id":"https://openalex.org/C138101251","wikidata":"https://www.wikidata.org/wiki/Q213092","display_name":"Thread (computing)","level":2,"score":0.8365888595581055},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7671390175819397},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.5358983278274536},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.5067411065101624},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.4387633502483368},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3969632089138031},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.371478796005249},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.3597269356250763},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.3456294536590576},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.1731628179550171}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1571941.1571966","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1571941.1571966","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1547561528","https://openalex.org/W1854214752","https://openalex.org/W1880262756","https://openalex.org/W1915315806","https://openalex.org/W2015370254","https://openalex.org/W2020410442","https://openalex.org/W2063657079","https://openalex.org/W2072644219","https://openalex.org/W2107743791","https://openalex.org/W2113063049","https://openalex.org/W2121832034","https://openalex.org/W2129938110","https://openalex.org/W2132613313","https://openalex.org/W2137268161","https://openalex.org/W2138621811","https://openalex.org/W2140124448","https://openalex.org/W2144586791","https://openalex.org/W2148118556","https://openalex.org/W2165389462","https://openalex.org/W2171836785","https://openalex.org/W2401383085","https://openalex.org/W3149154678","https://openalex.org/W4231510805","https://openalex.org/W4233135949","https://openalex.org/W6632663641","https://openalex.org/W6639055396","https://openalex.org/W6639619044","https://openalex.org/W6640120797","https://openalex.org/W6680343917","https://openalex.org/W6681142691","https://openalex.org/W6712844215"],"related_works":["https://openalex.org/W2033778626","https://openalex.org/W2026780467","https://openalex.org/W2187110187","https://openalex.org/W2018697868","https://openalex.org/W2792315845","https://openalex.org/W2002371119","https://openalex.org/W4390492895","https://openalex.org/W2155531513","https://openalex.org/W2991618286","https://openalex.org/W2898214470"],"abstract_inverted_index":{"The":[0,16,151,202],"huge":[1],"amount":[2],"of":[3,19,24,48,64,107,128,148,168,211,223,232,253],"knowledge":[4],"in":[5,13,45,53,72,95,99,171,190,226,241,245,258],"web":[6,246],"communities":[7],"has":[8],"motivated":[9],"the":[10,80,85,126,172,177,191,209,215,221,254],"research":[11],"interests":[12],"threaded":[14,20,55,96,149,212,233],"discussions.":[15,150,213],"dynamic":[17],"nature":[18],"discussions":[21,56],"poses":[22],"lots":[23],"challenging":[25],"problems":[26],"for":[27],"computer":[28],"scientists.":[29],"Although":[30],"techniques":[31],"such":[32],"as":[33,62],"semantic":[34],"models":[35,38],"and":[36,87,113,118,146,160,194,238],"structural":[37],"have":[39],"been":[40],"shown":[41],"to":[42,58,89,124,142,184],"be":[43,90],"useful":[44],"a":[46,73,105,129,136,157,165,186,195,242],"number":[47],"areas,":[49],"they":[50],"are":[51,76,104,111],"inefficient":[52],"understanding":[54],"due":[57],"three":[59,217,227],"reasons:":[60],"(I)":[61],"most":[63],"users":[65],"read":[66],"existing":[67],"messages":[68],"before":[69],"posting,":[70],"posts":[71,109,170],"discussion":[74,101,174],"thread":[75],"temporally":[77],"dependent":[78],"on":[79],"previous":[81,169,200],"ones;":[82],"It":[83],"causes":[84],"semantics":[86],"structure":[88,231],"coupled":[91],"with":[92],"each":[93,154,162],"other":[94],"discussions;":[97],"(II)":[98],"online":[100],"threads,":[102],"there":[103],"lot":[106],"junk":[108,236],"which":[110],"useless":[112],"may":[114],"disturb":[115],"content":[116],"analysis;":[117],"(III)":[119],"it":[120],"is":[121],"very":[122],"hard":[123],"judge":[125],"quality":[127],"post.":[130],"In":[131],"this":[132],"paper,":[133],"we":[134,219],"propose":[135],"sparse":[137,182,187,196,203],"coding-based":[138],"model":[139,152,178,225,257],"named":[140],"SMSS":[141,256],"Simultaneously":[143],"Model":[144],"Semantics":[145],"Structure":[147],"projects":[153],"post":[155,163,188,197],"into":[156,207],"topic":[158,192],"space,":[159],"approximates":[161],"by":[164],"linear":[166],"combination":[167],"same":[173],"thread.":[175],"Meanwhile,":[176],"also":[179],"imposes":[180],"two":[181],"constraints":[183],"force":[185],"reconstruction":[189],"space":[193],"approximation":[198],"from":[199],"posts.":[201],"properties":[204],"effectively":[205],"take":[206],"account":[208],"characteristics":[210],"Towards":[214],"above":[216],"problems,":[218],"demonstrate":[220],"competency":[222],"our":[224],"applications:":[228],"reconstructing":[229],"reply":[230],"discussions,":[234],"identifying":[235],"posts,":[237],"finding":[239],"experts":[240],"given":[243],"board/sub-board":[244],"communities.":[247],"Experimental":[248],"results":[249],"show":[250],"encouraging":[251],"performance":[252],"proposed":[255],"all":[259],"these":[260],"applications.":[261]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":7}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}