{"id":"https://openalex.org/W2120587222","doi":"https://doi.org/10.1145/1772690.1772883","title":"Review recommendation with graphical model and EM algorithm","display_name":"Review recommendation with graphical model and EM algorithm","publication_year":2010,"publication_date":"2010-04-26","ids":{"openalex":"https://openalex.org/W2120587222","doi":"https://doi.org/10.1145/1772690.1772883","mag":"2120587222"},"language":"en","primary_location":{"id":"doi:10.1145/1772690.1772883","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1772690.1772883","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 19th international conference on World wide web","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/A5027015677","display_name":"Richong Zhang","orcid":"https://orcid.org/0000-0002-1207-0300"},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Richong Zhang","raw_affiliation_strings":["University of Ottawa, Ottawa, ON, Canada"],"affiliations":[{"raw_affiliation_string":"University of Ottawa, Ottawa, ON, Canada","institution_ids":["https://openalex.org/I153718931"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103618699","display_name":"Thomas Tran","orcid":null},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Thomas Tran","raw_affiliation_strings":["University of Ottawa, Ottawa, ON, Canada"],"affiliations":[{"raw_affiliation_string":"University of Ottawa, Ottawa, ON, Canada","institution_ids":["https://openalex.org/I153718931"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5027015677"],"corresponding_institution_ids":["https://openalex.org/I153718931"],"apc_list":null,"apc_paid":null,"fwci":0.9321,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.85926169,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1219","last_page":"1220"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10609","display_name":"Digital Marketing and Social Media","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10609","display_name":"Digital Marketing and Social Media","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11161","display_name":"Consumer Market Behavior and Pricing","score":0.9789000153541565,"subfield":{"id":"https://openalex.org/subfields/1406","display_name":"Marketing"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10068","display_name":"Technology Adoption and User Behaviour","score":0.930899977684021,"subfield":{"id":"https://openalex.org/subfields/1802","display_name":"Information Systems and Management"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/helpfulness","display_name":"Helpfulness","score":0.9905004501342773},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7358007431030273},{"id":"https://openalex.org/keywords/benchmarking","display_name":"Benchmarking","score":0.6813656091690063},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.6569138765335083},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.49830102920532227},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.48343122005462646},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.46473196148872375},{"id":"https://openalex.org/keywords/graphical-model","display_name":"Graphical model","score":0.448002427816391},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.44373437762260437},{"id":"https://openalex.org/keywords/fraction","display_name":"Fraction (chemistry)","score":0.44247981905937195},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4247913360595703},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.42094963788986206},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3215906620025635},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.16195306181907654},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1334405243396759}],"concepts":[{"id":"https://openalex.org/C2781265381","wikidata":"https://www.wikidata.org/wiki/Q5710255","display_name":"Helpfulness","level":2,"score":0.9905004501342773},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7358007431030273},{"id":"https://openalex.org/C86251818","wikidata":"https://www.wikidata.org/wiki/Q816754","display_name":"Benchmarking","level":2,"score":0.6813656091690063},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.6569138765335083},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.49830102920532227},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.48343122005462646},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.46473196148872375},{"id":"https://openalex.org/C155846161","wikidata":"https://www.wikidata.org/wiki/Q1143367","display_name":"Graphical model","level":2,"score":0.448002427816391},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.44373437762260437},{"id":"https://openalex.org/C149629883","wikidata":"https://www.wikidata.org/wiki/Q660926","display_name":"Fraction (chemistry)","level":2,"score":0.44247981905937195},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4247913360595703},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.42094963788986206},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3215906620025635},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.16195306181907654},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1334405243396759},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1772690.1772883","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1772690.1772883","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 19th international conference on World wide web","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W2049633694","https://openalex.org/W3123662551"],"related_works":["https://openalex.org/W2613921548","https://openalex.org/W4285360723","https://openalex.org/W4281847990","https://openalex.org/W2488228222","https://openalex.org/W3037056935","https://openalex.org/W2002563848","https://openalex.org/W2934621214","https://openalex.org/W1498449133","https://openalex.org/W2611407113","https://openalex.org/W2092282862"],"abstract_inverted_index":{"Automatically":[0],"assessing":[1],"the":[2,15,29,44,53,59,60,66,80,84,88,100,110],"quality":[3],"and":[4,11,36,57,90,94],"helpfulness":[5,23,45,68,86],"of":[6,18,28,46,79,83,102],"consumer":[7],"reviews":[8],"is":[9,113],"more":[10,12],"desirable":[13],"with":[14],"evolutionary":[16],"development":[17],"online":[19],"review":[20,47,73,85,103],"systems.":[21],"Existing":[22],"assessment":[24],"methodologies":[25],"make":[26,77],"use":[27,78],"positive":[30,62],"vote":[31,63],"fraction":[32,64],"as":[33,65,87],"a":[34,39,72],"benchmark":[35,89],"heuristically":[37],"find":[38],"\"best":[40],"guess\"":[41],"to":[42,115],"estimate":[43],"documents.":[48],"This":[49],"benchmarking":[50],"methodology":[51],"ignores":[52],"voter":[54],"population":[55],"size":[56],"treats":[58],"same":[61,67],"value.":[69],"We":[70],"propose":[71],"recommendation":[74],"approach":[75,112],"that":[76,109],"probability":[81],"density":[82],"exploit":[91],"graphical":[92],"model":[93],"Expectation":[95],"Maximization":[96],"(EM)":[97],"algorithm":[98],"for":[99],"inference":[101],"helpfulness.":[104],"The":[105],"experimental":[106],"results":[107],"demonstrate":[108],"proposed":[111],"superior":[114],"existing":[116],"approaches.":[117]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}