{"id":"https://openalex.org/W2514077680","doi":"https://doi.org/10.1145/2934687","title":"A Comprehensive Survey and Classification of Approaches for Community Question Answering","display_name":"A Comprehensive Survey and Classification of Approaches for Community Question Answering","publication_year":2016,"publication_date":"2016-08-16","ids":{"openalex":"https://openalex.org/W2514077680","doi":"https://doi.org/10.1145/2934687","mag":"2514077680"},"language":"en","primary_location":{"id":"doi:10.1145/2934687","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2934687","pdf_url":null,"source":{"id":"https://openalex.org/S131231701","display_name":"ACM Transactions on the Web","issn_l":"1559-1131","issn":["1559-1131","1559-114X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on the Web","raw_type":"journal-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/A5082763244","display_name":"Ivan Srba","orcid":"https://orcid.org/0000-0003-3511-5337"},"institutions":[{"id":"https://openalex.org/I110757952","display_name":"Slovak University of Technology in Bratislava","ror":"https://ror.org/0561ghm58","country_code":"SK","type":"education","lineage":["https://openalex.org/I110757952"]}],"countries":["SK"],"is_corresponding":true,"raw_author_name":"Ivan Srba","raw_affiliation_strings":["Slovak University of Technology in Bratislava, Bratislava, Slovakia"],"affiliations":[{"raw_affiliation_string":"Slovak University of Technology in Bratislava, Bratislava, Slovakia","institution_ids":["https://openalex.org/I110757952"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030414237","display_name":"M\u00e1ria Bielikov\u00e1","orcid":"https://orcid.org/0000-0003-4105-3494"},"institutions":[{"id":"https://openalex.org/I110757952","display_name":"Slovak University of Technology in Bratislava","ror":"https://ror.org/0561ghm58","country_code":"SK","type":"education","lineage":["https://openalex.org/I110757952"]}],"countries":["SK"],"is_corresponding":false,"raw_author_name":"Maria Bielikova","raw_affiliation_strings":["Slovak University of Technology in Bratislava, Bratislava, Slovakia"],"affiliations":[{"raw_affiliation_string":"Slovak University of Technology in Bratislava, Bratislava, Slovakia","institution_ids":["https://openalex.org/I110757952"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5082763244"],"corresponding_institution_ids":["https://openalex.org/I110757952"],"apc_list":null,"apc_paid":null,"fwci":35.8285,"has_fulltext":false,"cited_by_count":156,"citation_normalized_percentile":{"value":0.99704844,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"10","issue":"3","first_page":"1","last_page":"63"},"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":0.9998999834060669,"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":0.9998999834060669,"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/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9865999817848206,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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":0.965499997138977,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7608665823936462},{"id":"https://openalex.org/keywords/question-answering","display_name":"Question answering","score":0.731928825378418},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.653925895690918},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.5653601288795471},{"id":"https://openalex.org/keywords/subject","display_name":"Subject (documents)","score":0.5415871143341064},{"id":"https://openalex.org/keywords/descriptive-statistics","display_name":"Descriptive statistics","score":0.5083591341972351},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.4904272258281708},{"id":"https://openalex.org/keywords/collective-intelligence","display_name":"Collective intelligence","score":0.4330933690071106},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.36027276515960693}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7608665823936462},{"id":"https://openalex.org/C44291984","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Question answering","level":2,"score":0.731928825378418},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.653925895690918},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.5653601288795471},{"id":"https://openalex.org/C2777855551","wikidata":"https://www.wikidata.org/wiki/Q12310021","display_name":"Subject (documents)","level":2,"score":0.5415871143341064},{"id":"https://openalex.org/C39896193","wikidata":"https://www.wikidata.org/wiki/Q380344","display_name":"Descriptive statistics","level":2,"score":0.5083591341972351},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.4904272258281708},{"id":"https://openalex.org/C89057211","wikidata":"https://www.wikidata.org/wiki/Q432197","display_name":"Collective intelligence","level":2,"score":0.4330933690071106},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.36027276515960693},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2934687","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2934687","pdf_url":null,"source":{"id":"https://openalex.org/S131231701","display_name":"ACM Transactions on the Web","issn_l":"1559-1131","issn":["1559-1131","1559-114X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on the Web","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.41999998688697815,"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals"}],"awards":[{"id":"https://openalex.org/G1273147647","display_name":null,"funder_award_id":"ITMS 26240220084","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"}],"funders":[{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":179,"referenced_works":["https://openalex.org/W14632104","https://openalex.org/W31519675","https://openalex.org/W43277809","https://openalex.org/W50784315","https://openalex.org/W60645813","https://openalex.org/W157594578","https://openalex.org/W195948513","https://openalex.org/W205634963","https://openalex.org/W974146488","https://openalex.org/W1515991746","https://openalex.org/W1526674933","https://openalex.org/W1550388017","https://openalex.org/W1601111924","https://openalex.org/W1730818938","https://openalex.org/W1780382453","https://openalex.org/W1924034303","https://openalex.org/W1964098194","https://openalex.org/W1969085038","https://openalex.org/W1969967810","https://openalex.org/W1970875273","https://openalex.org/W1973775139","https://openalex.org/W1974311367","https://openalex.org/W1975143876","https://openalex.org/W1975781843","https://openalex.org/W1976727267","https://openalex.org/W1977058264","https://openalex.org/W1978817381","https://openalex.org/W1979555337","https://openalex.org/W1981391627","https://openalex.org/W1981552292","https://openalex.org/W1983005620","https://openalex.org/W1986044318","https://openalex.org/W1986945747","https://openalex.org/W1988956188","https://openalex.org/W1990457736","https://openalex.org/W1991584567","https://openalex.org/W1992364867","https://openalex.org/W1994752404","https://openalex.org/W1997511992","https://openalex.org/W1999413807","https://openalex.org/W1999969345","https://openalex.org/W2000389083","https://openalex.org/W2001615731","https://openalex.org/W2002258741","https://openalex.org/W2003496454","https://openalex.org/W2004749298","https://openalex.org/W2005045763","https://openalex.org/W2005946396","https://openalex.org/W2006150671","https://openalex.org/W2008437643","https://openalex.org/W2008733342","https://openalex.org/W2009296544","https://openalex.org/W2011110092","https://openalex.org/W2011511506","https://openalex.org/W2013595358","https://openalex.org/W2016459776","https://openalex.org/W2017204136","https://openalex.org/W2017543641","https://openalex.org/W2019432678","https://openalex.org/W2019604159","https://openalex.org/W2019873050","https://openalex.org/W2022149269","https://openalex.org/W2025454319","https://openalex.org/W2025895610","https://openalex.org/W2026620262","https://openalex.org/W2031906567","https://openalex.org/W2032420476","https://openalex.org/W2032599523","https://openalex.org/W2035363410","https://openalex.org/W2035681485","https://openalex.org/W2036226015","https://openalex.org/W2037858832","https://openalex.org/W2039129639","https://openalex.org/W2039467412","https://openalex.org/W2043429202","https://openalex.org/W2043994636","https://openalex.org/W2045411013","https://openalex.org/W2048367809","https://openalex.org/W2051549144","https://openalex.org/W2053485498","https://openalex.org/W2055033448","https://openalex.org/W2057214431","https://openalex.org/W2057415299","https://openalex.org/W2060750479","https://openalex.org/W2061990975","https://openalex.org/W2062020370","https://openalex.org/W2064890829","https://openalex.org/W2068223736","https://openalex.org/W2070006370","https://openalex.org/W2071331323","https://openalex.org/W2072780977","https://openalex.org/W2073586706","https://openalex.org/W2073707085","https://openalex.org/W2075196988","https://openalex.org/W2078784669","https://openalex.org/W2082632735","https://openalex.org/W2086530517","https://openalex.org/W2087093271","https://openalex.org/W2088096747","https://openalex.org/W2091425614","https://openalex.org/W2093523853","https://openalex.org/W2093557879","https://openalex.org/W2093745306","https://openalex.org/W2094198030","https://openalex.org/W2095018721","https://openalex.org/W2096240265","https://openalex.org/W2097168893","https://openalex.org/W2097331574","https://openalex.org/W2099769844","https://openalex.org/W2099967331","https://openalex.org/W2101578108","https://openalex.org/W2102114894","https://openalex.org/W2102154902","https://openalex.org/W2102956348","https://openalex.org/W2104206603","https://openalex.org/W2105034111","https://openalex.org/W2105428439","https://openalex.org/W2111141603","https://openalex.org/W2112812119","https://openalex.org/W2114732275","https://openalex.org/W2116875384","https://openalex.org/W2116930689","https://openalex.org/W2119288676","https://openalex.org/W2120284981","https://openalex.org/W2120346511","https://openalex.org/W2120514483","https://openalex.org/W2120694205","https://openalex.org/W2121887197","https://openalex.org/W2125189744","https://openalex.org/W2125545976","https://openalex.org/W2126104150","https://openalex.org/W2126776599","https://openalex.org/W2126908276","https://openalex.org/W2128733218","https://openalex.org/W2129251351","https://openalex.org/W2130937896","https://openalex.org/W2132613313","https://openalex.org/W2132930719","https://openalex.org/W2133975759","https://openalex.org/W2134406267","https://openalex.org/W2135555017","https://openalex.org/W2136244600","https://openalex.org/W2136842005","https://openalex.org/W2136976837","https://openalex.org/W2142530881","https://openalex.org/W2143337100","https://openalex.org/W2147144521","https://openalex.org/W2147308966","https://openalex.org/W2147579407","https://openalex.org/W2148527862","https://openalex.org/W2149104730","https://openalex.org/W2149427297","https://openalex.org/W2151280665","https://openalex.org/W2153338211","https://openalex.org/W2154455946","https://openalex.org/W2155241566","https://openalex.org/W2155943284","https://openalex.org/W2156037541","https://openalex.org/W2159133636","https://openalex.org/W2159800806","https://openalex.org/W2161152375","https://openalex.org/W2163881971","https://openalex.org/W2165248121","https://openalex.org/W2166494176","https://openalex.org/W2166928246","https://openalex.org/W2170045560","https://openalex.org/W2171258484","https://openalex.org/W2185491371","https://openalex.org/W2197211043","https://openalex.org/W2237420255","https://openalex.org/W2280386769","https://openalex.org/W2282175227","https://openalex.org/W2286400365","https://openalex.org/W2294481449","https://openalex.org/W2325874281","https://openalex.org/W2342901387","https://openalex.org/W4210702550","https://openalex.org/W4242735266","https://openalex.org/W4249253672"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2384605597","https://openalex.org/W2387743295","https://openalex.org/W4388258507","https://openalex.org/W2392013855","https://openalex.org/W3082787378","https://openalex.org/W2136007095","https://openalex.org/W2366230879","https://openalex.org/W3208425359","https://openalex.org/W4318064328"],"abstract_inverted_index":{"Community":[0],"question-answering":[1],"(CQA)":[2],"systems,":[3],"such":[4],"as":[5,219,221],"Yahoo!":[6],"Answers":[7],"or":[8,39],"Stack":[9],"Overflow,":[10],"belong":[11],"to":[12,32,44,124,148,174,179],"a":[13,118,129,155,167,187,190,208],"prominent":[14],"group":[15],"of":[16,30,55,80,92,95,100,104,131,161,169,189,193,201,210],"successful":[17],"and":[18,77,85,137,145],"popular":[19],"Web":[20],"2.0":[21],"applications,":[22],"which":[23,60,139,196],"are":[24,177,197],"used":[25],"every":[26],"day":[27],"by":[28,69,128,199],"millions":[29],"users":[31],"find":[33],"an":[34,75],"answer":[35],"on":[36,113],"complex,":[37],"subjective,":[38],"context-dependent":[40],"questions.":[41],"In":[42],"order":[43],"obtain":[45],"answers":[46],"effectively,":[47],"CQA":[48,73,114,162],"systems":[49,115],"should":[50],"optimally":[51],"harness":[52],"collective":[53],"intelligence":[54],"the":[56,90,101,111,204,211,216,223,230],"whole":[57],"online":[58],"community,":[59],"will":[61],"be":[62],"impossible":[63],"without":[64],"appropriate":[65],"collaboration":[66],"support":[67],"provided":[68],"information":[70],"technologies.":[71],"Therefore,":[72],"became":[74],"interesting":[76],"promising":[78],"subject":[79],"research":[81,112,231],"in":[82,98,186],"computer":[83],"science":[84],"now":[86],"we":[87,153,165,213],"can":[88],"gather":[89],"results":[91],"10":[93],"years":[94],"research.":[96],"Nevertheless,":[97],"spite":[99],"increasing":[102],"number":[103,192],"publications":[105],"emerging":[106],"each":[107],"year,":[108],"so":[109],"far":[110],"has":[116],"missed":[117],"comprehensive":[119],"state-of-the-art":[120],"survey.":[121],"We":[122],"attempt":[123],"fill":[125],"this":[126,149],"gap":[127],"review":[130,188],"265":[132],"articles":[133],"published":[134],"between":[135],"2005":[136],"2014,":[138],"were":[140],"selected":[141],"from":[142,203,229],"major":[143],"conferences":[144],"journals.":[146],"According":[147],"evaluation,":[150],"at":[151],"first":[152],"propose":[154],"framework":[156],"that":[157,225],"defines":[158],"descriptive":[159,205],"attributes":[160,202],"approaches.":[163],"Second,":[164],"introduce":[166],"classification":[168,182],"all":[170],"approaches":[171],"with":[172],"respect":[173],"problems":[175],"they":[176],"aimed":[178],"solve.":[180],"The":[181],"is":[183],"consequently":[184],"employed":[185],"significant":[191],"representative":[194],"approaches,":[195],"described":[198],"means":[200],"framework.":[206],"As":[207],"part":[209],"survey,":[212],"also":[214],"depict":[215],"current":[217],"trends":[218],"well":[220],"highlight":[222],"areas":[224],"require":[226],"further":[227],"attention":[228],"community.":[232]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":13},{"year":2023,"cited_by_count":17},{"year":2022,"cited_by_count":19},{"year":2021,"cited_by_count":20},{"year":2020,"cited_by_count":25},{"year":2019,"cited_by_count":22},{"year":2018,"cited_by_count":19},{"year":2017,"cited_by_count":12},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}