{"id":"https://openalex.org/W2537306733","doi":"https://doi.org/10.1145/2983323.2983893","title":"Learning to Re-Rank Questions in Community Question Answering Using Advanced Features","display_name":"Learning to Re-Rank Questions in Community Question Answering Using Advanced Features","publication_year":2016,"publication_date":"2016-10-24","ids":{"openalex":"https://openalex.org/W2537306733","doi":"https://doi.org/10.1145/2983323.2983893","mag":"2537306733"},"language":"en","primary_location":{"id":"doi:10.1145/2983323.2983893","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2983323.2983893","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 25th ACM International on Conference on Information and Knowledge Management","raw_type":"proceedings-article"},"type":"conference-paper","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/A5033850423","display_name":"Giovanni Da San Martino","orcid":"https://orcid.org/0000-0002-2609-483X"},"institutions":[{"id":"https://openalex.org/I4210144839","display_name":"Hamad bin Khalifa University","ror":"https://ror.org/03eyq4y97","country_code":"QA","type":"education","lineage":["https://openalex.org/I4210144839"]}],"countries":["QA"],"is_corresponding":false,"raw_author_name":"Giovanni Da San Martino","raw_affiliation_strings":["Hamad bin Khalifa University, Doha, Qatar"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hamad bin Khalifa University, Doha, Qatar","institution_ids":["https://openalex.org/I4210144839"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088275532","display_name":"Alberto Barr\u00f3n Cede\u00f1o","orcid":null},"institutions":[{"id":"https://openalex.org/I4210144839","display_name":"Hamad bin Khalifa University","ror":"https://ror.org/03eyq4y97","country_code":"QA","type":"education","lineage":["https://openalex.org/I4210144839"]}],"countries":["QA"],"is_corresponding":false,"raw_author_name":"Alberto Barr\u00f3n Cede\u00f1o","raw_affiliation_strings":["Hamad bin Khalifa University, Doha, Qatar"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hamad bin Khalifa University, Doha, Qatar","institution_ids":["https://openalex.org/I4210144839"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047508198","display_name":"Salvatore Romeo","orcid":"https://orcid.org/0000-0001-7592-0328"},"institutions":[{"id":"https://openalex.org/I4210144839","display_name":"Hamad bin Khalifa University","ror":"https://ror.org/03eyq4y97","country_code":"QA","type":"education","lineage":["https://openalex.org/I4210144839"]}],"countries":["QA"],"is_corresponding":false,"raw_author_name":"Salvatore Romeo","raw_affiliation_strings":["Hamad bin Khalifa University, Doha, Qatar"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hamad bin Khalifa University, Doha, Qatar","institution_ids":["https://openalex.org/I4210144839"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071001598","display_name":"Antonio Emmanuele Uva","orcid":"https://orcid.org/0000-0001-7271-6137"},"institutions":[{"id":"https://openalex.org/I193223587","display_name":"University of Trento","ror":"https://ror.org/05trd4x28","country_code":"IT","type":"education","lineage":["https://openalex.org/I193223587"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Antonio Uva","raw_affiliation_strings":["University of Trento, Trento, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Trento, Trento, Italy","institution_ids":["https://openalex.org/I193223587"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056376686","display_name":"Alessandro Moschitti","orcid":"https://orcid.org/0000-0003-2216-8034"},"institutions":[{"id":"https://openalex.org/I4210144839","display_name":"Hamad bin Khalifa University","ror":"https://ror.org/03eyq4y97","country_code":"QA","type":"education","lineage":["https://openalex.org/I4210144839"]}],"countries":["QA"],"is_corresponding":false,"raw_author_name":"Alessandro Moschitti","raw_affiliation_strings":["Hamad bin Khalifa University, Doha, Qatar"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hamad bin Khalifa University, Doha, Qatar","institution_ids":["https://openalex.org/I4210144839"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1997","last_page":"2000"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.9994999766349792,"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/T13274","display_name":"Expert finding and Q&A systems","score":0.9987999796867371,"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/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9865999817848206,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/question-answering","display_name":"Question answering","score":0.8134493827819824},{"id":"https://openalex.org/keywords/paraphrase","display_name":"Paraphrase","score":0.7865522503852844},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.701330304145813},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.6963233947753906},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6761652231216431},{"id":"https://openalex.org/keywords/ranking","display_name":"Ranking (information retrieval)","score":0.6397910118103027},{"id":"https://openalex.org/keywords/learning-to-rank","display_name":"Learning to rank","score":0.6229114532470703},{"id":"https://openalex.org/keywords/baseline","display_name":"Baseline (sea)","score":0.5388583540916443},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.5157730579376221},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.4814026355743408},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.46740227937698364},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.44898584485054016},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4357467591762543},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1529134213924408},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.08802667260169983}],"concepts":[{"id":"https://openalex.org/C44291984","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Question answering","level":2,"score":0.8134493827819824},{"id":"https://openalex.org/C2780922921","wikidata":"https://www.wikidata.org/wiki/Q255189","display_name":"Paraphrase","level":2,"score":0.7865522503852844},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.701330304145813},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.6963233947753906},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6761652231216431},{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.6397910118103027},{"id":"https://openalex.org/C86037889","wikidata":"https://www.wikidata.org/wiki/Q4330127","display_name":"Learning to rank","level":3,"score":0.6229114532470703},{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.5388583540916443},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.5157730579376221},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.4814026355743408},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.46740227937698364},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.44898584485054016},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4357467591762543},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1529134213924408},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.08802667260169983},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/2983323.2983893","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2983323.2983893","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 25th ACM International on Conference on Information and Knowledge Management","raw_type":"proceedings-article"},{"id":"pmh:oai:cris.unibo.it:11585/709241","is_oa":false,"landing_page_url":"http://hdl.handle.net/11585/709241","pdf_url":null,"source":{"id":"https://openalex.org/S4306402579","display_name":"Archivio istituzionale della ricerca (Alma Mater Studiorum Universit\u00e0 di Bologna)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210117483","host_organization_name":"Istituto di Ematologia di Bologna","host_organization_lineage":["https://openalex.org/I4210117483"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:iris.unitn.it:11572/169993","is_oa":false,"landing_page_url":"http://hdl.handle.net/11572/169993","pdf_url":null,"source":{"id":"https://openalex.org/S4306401913","display_name":"Institutional Research Information System (Universit\u00e0 degli Studi di Trento)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I193223587","host_organization_name":"University of Trento","host_organization_lineage":["https://openalex.org/I193223587"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/bookPart"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1494404649","https://openalex.org/W1587871245","https://openalex.org/W1994790623","https://openalex.org/W2024650720","https://openalex.org/W2035363410","https://openalex.org/W2036089660","https://openalex.org/W2047221353","https://openalex.org/W2068176125","https://openalex.org/W2073265902","https://openalex.org/W2102394389","https://openalex.org/W2156938860","https://openalex.org/W2464096189","https://openalex.org/W2466490286","https://openalex.org/W2468484304","https://openalex.org/W2468672598","https://openalex.org/W4252251536"],"related_works":["https://openalex.org/W3127142483","https://openalex.org/W2809243577","https://openalex.org/W4385565564","https://openalex.org/W2898073868","https://openalex.org/W2138488530","https://openalex.org/W4390446658","https://openalex.org/W2971071571","https://openalex.org/W2798835721","https://openalex.org/W2922169395","https://openalex.org/W2387658907"],"abstract_inverted_index":{"We":[0,70],"study":[1],"the":[2,38,55,66,84,124],"impact":[3],"of":[4,7,68,120],"different":[5],"types":[6],"features":[8,112,122],"for":[9],"question":[10,39,43,45],"ranking":[11],"in":[12,60,97,123],"community":[13],"Question":[14],"Answering:":[15],"bag-of-words":[16],"models":[17],"(BoW),":[18],"syntactic":[19],"tree":[20],"kernels":[21,32],"(TKs)":[22],"and":[23,105,113],"rank":[24,75,86],"features.":[25],"It":[26],"should":[27],"be":[28],"noted":[29],"that":[30,91],"structural":[31],"have":[33,49],"never":[34],"been":[35],"applied":[36],"to":[37,44,50,65,74,102],"reranking":[40],"task,":[41],"i.e.,":[42],"similarity,":[46],"where":[47],"they":[48],"model":[51,119],"paraphrase":[52],"relations.":[53],"Additionally,":[54],"informal":[56],"text,":[57],"typically":[58],"present":[59],"forums,":[61],"poses":[62],"new":[63],"challenges":[64],"use":[67],"TKs.":[69],"compare":[71],"our":[72,93],"learning":[73],"(L2R)":[76],"algorithms":[77],"against":[78],"a":[79],"strong":[80],"baseline":[81],"given":[82],"by":[83],"Google":[85],"(GR).":[87],"The":[88],"results":[89],"show":[90],"(i)":[92],"shallow":[94],"structures":[95],"used":[96,125],"TKs":[98,114],"are":[99],"robust":[100],"enough":[101],"noisy":[103],"data":[104],"(ii)":[106],"improving":[107],"GR":[108,121],"requires":[109],"effective":[110],"BoW":[111],"along":[115],"with":[116],"an":[117],"accurate":[118],"L2R":[126],"algorithm.":[127]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":9},{"year":2016,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2016-10-28T00:00:00"}