{"id":"https://openalex.org/W2157391629","doi":"https://doi.org/10.1145/2348283.2348296","title":"Diversity by proportionality","display_name":"Diversity by proportionality","publication_year":2012,"publication_date":"2012-08-12","ids":{"openalex":"https://openalex.org/W2157391629","doi":"https://doi.org/10.1145/2348283.2348296","mag":"2157391629"},"language":"en","primary_location":{"id":"doi:10.1145/2348283.2348296","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2348283.2348296","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval","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/A5050242881","display_name":"Van Dang","orcid":null},"institutions":[{"id":"https://openalex.org/I24603500","display_name":"University of Massachusetts Amherst","ror":"https://ror.org/0072zz521","country_code":"US","type":"education","lineage":["https://openalex.org/I24603500"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Van Dang","raw_affiliation_strings":["University of Massachusetts Amherst, Amherst, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Massachusetts Amherst, Amherst, MA, USA","institution_ids":["https://openalex.org/I24603500"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5105659698","display_name":"W. Bruce Croft","orcid":"https://orcid.org/0000-0003-2391-9629"},"institutions":[{"id":"https://openalex.org/I24603500","display_name":"University of Massachusetts Amherst","ror":"https://ror.org/0072zz521","country_code":"US","type":"education","lineage":["https://openalex.org/I24603500"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W. Bruce Croft","raw_affiliation_strings":["University of Massachusetts Amherst, Amherst, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Massachusetts Amherst, Amherst, MA, USA","institution_ids":["https://openalex.org/I24603500"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I24603500"],"apc_list":null,"apc_paid":null,"fwci":10.3301,"has_fulltext":false,"cited_by_count":190,"citation_normalized_percentile":{"value":0.98899093,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"65","last_page":"74"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9961000084877014,"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/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9961000084877014,"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/T11182","display_name":"Auction Theory and Applications","score":0.9919000267982483,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":0.9918000102043152,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/proportionality","display_name":"Proportionality (law)","score":0.8755569458007812},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5905306339263916},{"id":"https://openalex.org/keywords/diversification","display_name":"Diversification (marketing strategy)","score":0.4797014892101288},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.47877824306488037},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.4629894495010376},{"id":"https://openalex.org/keywords/diversity","display_name":"Diversity (politics)","score":0.43318188190460205},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3297126293182373},{"id":"https://openalex.org/keywords/operations-research","display_name":"Operations research","score":0.32966142892837524},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.32533004879951477},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.28977566957473755},{"id":"https://openalex.org/keywords/law","display_name":"Law","score":0.1909363865852356},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.17173394560813904}],"concepts":[{"id":"https://openalex.org/C183763965","wikidata":"https://www.wikidata.org/wiki/Q603959","display_name":"Proportionality (law)","level":2,"score":0.8755569458007812},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5905306339263916},{"id":"https://openalex.org/C180916674","wikidata":"https://www.wikidata.org/wiki/Q3711935","display_name":"Diversification (marketing strategy)","level":2,"score":0.4797014892101288},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.47877824306488037},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.4629894495010376},{"id":"https://openalex.org/C2781316041","wikidata":"https://www.wikidata.org/wiki/Q1230584","display_name":"Diversity (politics)","level":2,"score":0.43318188190460205},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3297126293182373},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.32966142892837524},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.32533004879951477},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28977566957473755},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.1909363865852356},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.17173394560813904},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2348283.2348296","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2348283.2348296","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W94637519","https://openalex.org/W1498594556","https://openalex.org/W1564094940","https://openalex.org/W1685426458","https://openalex.org/W1964224704","https://openalex.org/W1968518318","https://openalex.org/W1980730196","https://openalex.org/W1992549066","https://openalex.org/W1993320088","https://openalex.org/W2001306626","https://openalex.org/W2023188792","https://openalex.org/W2026430213","https://openalex.org/W2026439336","https://openalex.org/W2041369648","https://openalex.org/W2063984238","https://openalex.org/W2080825533","https://openalex.org/W2083305840","https://openalex.org/W2100419635","https://openalex.org/W2104373244","https://openalex.org/W2107126505","https://openalex.org/W2107370612","https://openalex.org/W2113640060","https://openalex.org/W2132314908","https://openalex.org/W2148212498","https://openalex.org/W2153190022","https://openalex.org/W2170741935","https://openalex.org/W2197919320","https://openalex.org/W2346370112","https://openalex.org/W2406556078","https://openalex.org/W2750287184","https://openalex.org/W2949909718","https://openalex.org/W3138773240","https://openalex.org/W4230624213"],"related_works":["https://openalex.org/W2133515697","https://openalex.org/W2104700403","https://openalex.org/W2371381070","https://openalex.org/W2406532298","https://openalex.org/W2377333748","https://openalex.org/W1556739848","https://openalex.org/W2389846458","https://openalex.org/W3014074531","https://openalex.org/W2941660628","https://openalex.org/W2357241418"],"abstract_inverted_index":{"This":[0,137],"paper":[1],"presents":[2],"a":[3,16,51,150],"different":[4],"perspective":[5],"on":[6,39,101,124,132],"diversity":[7,11,135,155],"in":[8,82,119],"search":[9,57],"results:":[10],"by":[12,63],"proportionality.":[13,94],"We":[14,107],"consider":[15],"result":[17,58,84,138],"list":[18],"most":[19],"diverse,":[20],"with":[21],"respect":[22],"to":[23,29,44,69,145],"some":[24],"set":[25],"of":[26,35,66,71,152],"topics":[27],"related":[28],"the":[30,33,45,64,83,87,92,98,115,120,153],"query,":[31],"when":[32],"number":[34],"documents":[36],"it":[37],"provides":[38],"each":[40,80],"topic":[41,88,103],"is":[42,61,149],"proportional":[43],"topic's":[46],"popularity.":[47],"Consequently,":[48],"we":[49],"propose":[50],"framework":[52],"for":[53,56,79,104,128],"optimizing":[54],"proportionality":[55,142],"diversification,":[59],"which":[60,148],"motivated":[62],"problem":[65],"assigning":[67],"seats":[68],"members":[70],"competing":[72],"political":[73],"parties.":[74],"Our":[75],"technique":[76],"iteratively":[77],"determines,":[78],"position":[81],"ranked":[85],"list,":[86],"that":[89,110,140],"best":[90,99],"maintains":[91],"overall":[93],"It":[95],"then":[96],"selects":[97],"document":[100],"this":[102,105],"position.":[106],"demonstrate":[108],"empirically":[109],"our":[111,125],"method":[112],"significantly":[113],"outperforms":[114],"top":[116],"performing":[117],"approach":[118],"literature":[121],"not":[122],"only":[123],"proposed":[126],"metric":[127],"proportionality,":[129],"but":[130],"also":[131],"several":[133],"standard":[134],"measures.":[136],"indicates":[139],"promoting":[141],"naturally":[143],"leads":[144],"minimal":[146],"redundancy,":[147],"goal":[151],"current":[154],"approaches.":[156]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":14},{"year":2020,"cited_by_count":14},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":26},{"year":2017,"cited_by_count":27},{"year":2016,"cited_by_count":21},{"year":2015,"cited_by_count":17},{"year":2014,"cited_by_count":20},{"year":2013,"cited_by_count":6}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}