{"id":"https://openalex.org/W2071480578","doi":"https://doi.org/10.1145/1982185.1982414","title":"Efficient top-k retrieval for user preference queries","display_name":"Efficient top-k retrieval for user preference queries","publication_year":2011,"publication_date":"2011-03-21","ids":{"openalex":"https://openalex.org/W2071480578","doi":"https://doi.org/10.1145/1982185.1982414","mag":"2071480578"},"language":"en","primary_location":{"id":"doi:10.1145/1982185.1982414","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1982185.1982414","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2011 ACM Symposium on Applied Computing","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/A5025458752","display_name":"Claus Dabringer","orcid":null},"institutions":[{"id":"https://openalex.org/I4210166741","display_name":"University of Klagenfurt","ror":"https://ror.org/05q9m0937","country_code":"AT","type":"education","lineage":["https://openalex.org/I4210166741"]}],"countries":["AT"],"is_corresponding":true,"raw_author_name":"Claus Dabringer","raw_affiliation_strings":["Alps Adria University Klagenfurt"],"affiliations":[{"raw_affiliation_string":"Alps Adria University Klagenfurt","institution_ids":["https://openalex.org/I4210166741"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052813599","display_name":"Johann Eder","orcid":"https://orcid.org/0000-0001-6050-468X"},"institutions":[{"id":"https://openalex.org/I4210166741","display_name":"University of Klagenfurt","ror":"https://ror.org/05q9m0937","country_code":"AT","type":"education","lineage":["https://openalex.org/I4210166741"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Johann Eder","raw_affiliation_strings":["Alps Adria University Klagenfurt"],"affiliations":[{"raw_affiliation_string":"Alps Adria University Klagenfurt","institution_ids":["https://openalex.org/I4210166741"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5025458752"],"corresponding_institution_ids":["https://openalex.org/I4210166741"],"apc_list":null,"apc_paid":null,"fwci":1.2249,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.79180252,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1045","last_page":"1052"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11106","display_name":"Data Management and Algorithms","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9941999912261963,"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"}},{"id":"https://openalex.org/T11596","display_name":"Constraint Satisfaction and Optimization","score":0.9902999997138977,"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/computer-science","display_name":"Computer science","score":0.8224799036979675},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.7268737554550171},{"id":"https://openalex.org/keywords/tuple","display_name":"Tuple","score":0.6587710976600647},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5717257261276245},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.5560867190361023},{"id":"https://openalex.org/keywords/preference","display_name":"Preference","score":0.5516532063484192},{"id":"https://openalex.org/keywords/result-set","display_name":"Result set","score":0.5440536737442017},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5356687307357788},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.5289271473884583},{"id":"https://openalex.org/keywords/query-expansion","display_name":"Query expansion","score":0.49536049365997314},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.46567294001579285},{"id":"https://openalex.org/keywords/query-language","display_name":"Query language","score":0.46313241124153137},{"id":"https://openalex.org/keywords/web-query-classification","display_name":"Web query classification","score":0.4347774386405945},{"id":"https://openalex.org/keywords/spatial-query","display_name":"Spatial query","score":0.4286400079727173},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.39753496646881104},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.38931751251220703},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.3176408112049103},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10755413770675659}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8224799036979675},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.7268737554550171},{"id":"https://openalex.org/C118930307","wikidata":"https://www.wikidata.org/wiki/Q600590","display_name":"Tuple","level":2,"score":0.6587710976600647},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5717257261276245},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.5560867190361023},{"id":"https://openalex.org/C2781249084","wikidata":"https://www.wikidata.org/wiki/Q908656","display_name":"Preference","level":2,"score":0.5516532063484192},{"id":"https://openalex.org/C4969071","wikidata":"https://www.wikidata.org/wiki/Q7316353","display_name":"Result set","level":3,"score":0.5440536737442017},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5356687307357788},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.5289271473884583},{"id":"https://openalex.org/C99016210","wikidata":"https://www.wikidata.org/wiki/Q5488129","display_name":"Query expansion","level":2,"score":0.49536049365997314},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.46567294001579285},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.46313241124153137},{"id":"https://openalex.org/C118689300","wikidata":"https://www.wikidata.org/wiki/Q7978614","display_name":"Web query classification","level":4,"score":0.4347774386405945},{"id":"https://openalex.org/C172722865","wikidata":"https://www.wikidata.org/wiki/Q2302053","display_name":"Spatial query","level":5,"score":0.4286400079727173},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.39753496646881104},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.38931751251220703},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.3176408112049103},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10755413770675659},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","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},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1982185.1982414","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1982185.1982414","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2011 ACM Symposium on Applied Computing","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":21,"referenced_works":["https://openalex.org/W14261641","https://openalex.org/W178305221","https://openalex.org/W1770838219","https://openalex.org/W1850437073","https://openalex.org/W1989800045","https://openalex.org/W2009688537","https://openalex.org/W2018598050","https://openalex.org/W2019565841","https://openalex.org/W2024932032","https://openalex.org/W2099797738","https://openalex.org/W2116936708","https://openalex.org/W2133406951","https://openalex.org/W2134206624","https://openalex.org/W2139273822","https://openalex.org/W2141649964","https://openalex.org/W2143085379","https://openalex.org/W2149053721","https://openalex.org/W2151406030","https://openalex.org/W2221389368","https://openalex.org/W4285487794","https://openalex.org/W6682452324"],"related_works":["https://openalex.org/W2340295440","https://openalex.org/W2395027054","https://openalex.org/W906795786","https://openalex.org/W3049728138","https://openalex.org/W4301666339","https://openalex.org/W2395498354","https://openalex.org/W4297789472","https://openalex.org/W206333655","https://openalex.org/W1805532631","https://openalex.org/W2100301193"],"abstract_inverted_index":{"Efficient":[0],"retrieval":[1],"of":[2,20,55,85,109],"the":[3,32,78,110,115,134,140,152,174,178,195],"most":[4],"relevant":[5],"(i.e.":[6],"top-k)":[7],"tuples":[8],"is":[9],"an":[10,38,43],"important":[11],"requirement":[12],"in":[13,94],"information":[14],"systems":[15],"which":[16,34,66],"access":[17],"large":[18],"amounts":[19],"data.":[21],"In":[22],"general":[23],"answering":[24,164],"a":[25,53,121,144,147],"top-k":[26,141,162,175],"query":[27,111,131,163],"request":[28],"means":[29],"to":[30,63,69,138,154],"retrieve":[31,64,173],"k-objects":[33],"score":[35],"best":[36],"for":[37],"objective":[39,135],"function":[40,136],"given":[41,179],"with":[42,156,198],"input":[44],"query.":[45],"Such":[46],"queries":[47,126,159],"are":[48,67],"frequent":[49],"where":[50,127],"users":[51],"specify":[52],"set":[54],"restrictions":[56,112,132],"defining":[57],"their":[58],"ideal":[59],"solution":[60],"and":[61,96,172,187],"want":[62],"results":[65,193,196],"closest":[68],"these":[70],"ideals.":[71],"Within":[72],"this":[73],"work":[74],"we":[75,119,150],"show":[76],"how":[77],"well":[79],"known":[80],"Threshold":[81],"Algorithm":[82],"(short":[83],"TA)":[84],"Fagin":[86],"et":[87],"al.":[88],"[8]":[89],"can":[90],"be":[91],"improved":[92],"both":[93],"time":[95],"memory":[97],"requirements.":[98],"We":[99,182],"do":[100],"so":[101],"by":[102,114,190],"dynamically":[103],"creating":[104],"intelligent":[105],"index":[106],"structures":[107],"out":[108],"posed":[113],"user.":[116],"The":[117],"further":[118],"present":[120],"powerful":[122],"extension:":[123],"user":[124,157],"preference":[125,158],"weighted":[128],"preferences":[129,180],"on":[130],"influence":[133],"used":[137],"select":[139],"objects":[142,176],"from":[143],"relation":[145],"or":[146],"database.":[148],"Therefore":[149],"integrated":[151],"capability":[153],"deal":[155],"into":[160],"our":[161,185],"approach.":[165],"Users":[166],"may":[167],"define":[168],"restrictions,":[169],"assign":[170],"weights":[171],"matching":[177],"best.":[181],"prototypically":[183],"implemented":[184],"approach":[186],"evaluated":[188],"it":[189],"validating":[191],"its":[192],"against":[194],"achieved":[197],"TA.":[199]},"counts_by_year":[{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}