{"id":"https://openalex.org/W2021281764","doi":"https://doi.org/10.4018/ijirr.2012070103","title":"Answering Top-k Keyword Queries on Relational Databases","display_name":"Answering Top-k Keyword Queries on Relational Databases","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W2021281764","doi":"https://doi.org/10.4018/ijirr.2012070103","mag":"2021281764"},"language":"en","primary_location":{"id":"doi:10.4018/ijirr.2012070103","is_oa":false,"landing_page_url":"https://doi.org/10.4018/ijirr.2012070103","pdf_url":null,"source":{"id":"https://openalex.org/S4210223861","display_name":"International Journal of Information Retrieval Research","issn_l":"2155-6377","issn":["2155-6377","2155-6385"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320424","host_organization_name":"IGI Global","host_organization_lineage":["https://openalex.org/P4310320424"],"host_organization_lineage_names":["IGI Global"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Information Retrieval Research","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/A5112610091","display_name":"Myint Thein","orcid":null},"institutions":[{"id":"https://openalex.org/I4210089821","display_name":"University of Computer Studies Mandalay","ror":"https://ror.org/008jssb69","country_code":"MM","type":"education","lineage":["https://openalex.org/I4210089821"]}],"countries":["MM"],"is_corresponding":true,"raw_author_name":"Myint Myint Thein","raw_affiliation_strings":["University of Computer Studies, Mandalay, Myanmar"],"affiliations":[{"raw_affiliation_string":"University of Computer Studies, Mandalay, Myanmar","institution_ids":["https://openalex.org/I4210089821"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087692368","display_name":"Mie Mie Su Thwin","orcid":null},"institutions":[{"id":"https://openalex.org/I4210089821","display_name":"University of Computer Studies Mandalay","ror":"https://ror.org/008jssb69","country_code":"MM","type":"education","lineage":["https://openalex.org/I4210089821"]}],"countries":["MM"],"is_corresponding":false,"raw_author_name":"Mie Mie Su Thwin","raw_affiliation_strings":["University of Computer Studies, Mandalay, Myanmar"],"affiliations":[{"raw_affiliation_string":"University of Computer Studies, Mandalay, Myanmar","institution_ids":["https://openalex.org/I4210089821"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5112610091"],"corresponding_institution_ids":["https://openalex.org/I4210089821"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.10137567,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2","issue":"3","first_page":"36","last_page":"57"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9984999895095825,"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/T10538","display_name":"Data Mining Algorithms and Applications","score":0.9933000206947327,"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/computer-science","display_name":"Computer science","score":0.829416811466217},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.794379472732544},{"id":"https://openalex.org/keywords/ranking","display_name":"Ranking (information retrieval)","score":0.7365740537643433},{"id":"https://openalex.org/keywords/tuple","display_name":"Tuple","score":0.7249377965927124},{"id":"https://openalex.org/keywords/keyword-search","display_name":"Keyword search","score":0.7011688351631165},{"id":"https://openalex.org/keywords/relevance","display_name":"Relevance (law)","score":0.6223726272583008},{"id":"https://openalex.org/keywords/schema","display_name":"Schema (genetic algorithms)","score":0.6132193207740784},{"id":"https://openalex.org/keywords/keyword-density","display_name":"Keyword density","score":0.5752825736999512},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.46038010716438293},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.36175572872161865},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.34931856393814087},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08743691444396973}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.829416811466217},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.794379472732544},{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.7365740537643433},{"id":"https://openalex.org/C118930307","wikidata":"https://www.wikidata.org/wiki/Q600590","display_name":"Tuple","level":2,"score":0.7249377965927124},{"id":"https://openalex.org/C2988412617","wikidata":"https://www.wikidata.org/wiki/Q7441656","display_name":"Keyword search","level":2,"score":0.7011688351631165},{"id":"https://openalex.org/C158154518","wikidata":"https://www.wikidata.org/wiki/Q7310970","display_name":"Relevance (law)","level":2,"score":0.6223726272583008},{"id":"https://openalex.org/C52146309","wikidata":"https://www.wikidata.org/wiki/Q7431116","display_name":"Schema (genetic algorithms)","level":2,"score":0.6132193207740784},{"id":"https://openalex.org/C57560718","wikidata":"https://www.wikidata.org/wiki/Q125627","display_name":"Keyword density","level":3,"score":0.5752825736999512},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.46038010716438293},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.36175572872161865},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.34931856393814087},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08743691444396973},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","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/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.4018/ijirr.2012070103","is_oa":false,"landing_page_url":"https://doi.org/10.4018/ijirr.2012070103","pdf_url":null,"source":{"id":"https://openalex.org/S4210223861","display_name":"International Journal of Information Retrieval Research","issn_l":"2155-6377","issn":["2155-6377","2155-6385"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320424","host_organization_name":"IGI Global","host_organization_lineage":["https://openalex.org/P4310320424"],"host_organization_lineage_names":["IGI Global"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Information Retrieval Research","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:igg:jirr00:v:2:y:2012:i:3:p:36-57","is_oa":false,"landing_page_url":"http://services.igi-global.com/resolvedoi/resolve.aspx?doi=10.4018/ijirr.2012070103","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"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":"article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1502956076","https://openalex.org/W1581680754","https://openalex.org/W1592186521","https://openalex.org/W1825086818","https://openalex.org/W1903183807","https://openalex.org/W1971684273","https://openalex.org/W1989944922","https://openalex.org/W1992735711","https://openalex.org/W2092910477","https://openalex.org/W2098388305","https://openalex.org/W2107105629","https://openalex.org/W2109839710","https://openalex.org/W2116976588","https://openalex.org/W2121350579","https://openalex.org/W2126256512","https://openalex.org/W2132867658","https://openalex.org/W2143852486","https://openalex.org/W2148942721","https://openalex.org/W2159454657","https://openalex.org/W2162833734","https://openalex.org/W2171874178","https://openalex.org/W2331104574","https://openalex.org/W2474077411","https://openalex.org/W3129392884","https://openalex.org/W4285719527","https://openalex.org/W6648428044"],"related_works":["https://openalex.org/W119841348","https://openalex.org/W2057416894","https://openalex.org/W2171948294","https://openalex.org/W316061934","https://openalex.org/W2197440050","https://openalex.org/W2614415116","https://openalex.org/W4312445213","https://openalex.org/W2265184183","https://openalex.org/W2328984678","https://openalex.org/W2466354565"],"abstract_inverted_index":{"Keyword":[0],"search":[1,9],"in":[2],"relational":[3],"databases":[4],"allows":[5],"the":[6,47,61,67,76,95,103,108,127,139,144],"user":[7,24],"to":[8,38,60,90],"information":[10],"without":[11],"knowing":[12],"database":[13],"schema":[14],"and":[15,53,84,143,150],"using":[16,126],"structural":[17],"query":[18],"language.":[19],"As":[20],"results":[21,133],"needed":[22,37],"by":[23,65,101,125,136],"are":[25,36,134],"assembled":[26],"from":[27],"connected":[28,56,78],"tuples":[29],"of":[30,69,138],"multiple":[31],"relations,":[32],"ranking":[33,102,113,141,146],"keyword":[34,45,99],"queries":[35,100],"retrieve":[39,97],"relevant":[40],"results.":[41,72,104],"For":[42],"a":[43,82,111],"given":[44],"query,":[46],"authors":[48,96,109],"first":[49],"generate":[50],"candidate":[51,63],"networks":[52,64],"also":[54,120],"produce":[55],"tuple":[57,79],"trees":[58,80],"according":[59],"generated":[62,77],"reducing":[66],"size":[68],"intermediate":[70],"joining":[71],"They":[73,119],"then":[74],"model":[75],"as":[81],"document":[83,89],"evaluate":[85],"score":[86],"for":[87],"each":[88],"estimate":[91],"its":[92],"relevance.":[93],"Finally,":[94],"top-k":[98],"In":[105],"this":[106],"paper,":[107],"propose":[110,121],"new":[112],"method":[114,142],"based":[115],"on":[116,148],"virtual":[117],"document.":[118],"Top-k":[122],"CTT":[123],"algorithm":[124],"frequency":[128],"threshold":[129],"value.":[130],"The":[131],"experimental":[132],"shown":[135],"comparison":[137],"proposed":[140],"previous":[145],"methods":[147],"IMDB":[149],"DBLP":[151],"datasets.":[152]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
