{"id":"https://openalex.org/W2055486393","doi":"https://doi.org/10.1145/2064676.2064693","title":"Cascading top-k keyword search over relational databases","display_name":"Cascading top-k keyword search over relational databases","publication_year":2011,"publication_date":"2011-10-28","ids":{"openalex":"https://openalex.org/W2055486393","doi":"https://doi.org/10.1145/2064676.2064693","mag":"2055486393"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1145/2064676.2064693","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-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/A5039555629","display_name":"Ziqiang Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziqiang Yu","raw_affiliation_strings":["Shandong University, Jinan, CHINA"],"affiliations":[{"raw_affiliation_string":"Shandong University, Jinan, CHINA","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071285426","display_name":"Xiaohui Yu","orcid":"https://orcid.org/0000-0001-8170-2327"},"institutions":[{"id":"https://openalex.org/I192455969","display_name":"York University","ror":"https://ror.org/05fq50484","country_code":"CA","type":"education","lineage":["https://openalex.org/I192455969"]},{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CA","CN"],"is_corresponding":false,"raw_author_name":"Xiaohui Yu","raw_affiliation_strings":["York University, Toronto, Canada & Shandong University, Jinan, China"],"affiliations":[{"raw_affiliation_string":"York University, Toronto, Canada & Shandong University, Jinan, China","institution_ids":["https://openalex.org/I192455969","https://openalex.org/I154099455"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100355854","display_name":"Yang Liu","orcid":"https://orcid.org/0000-0002-3295-2917"},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Liu","raw_affiliation_strings":["Shandong University, Jinan, CHINA"],"affiliations":[{"raw_affiliation_string":"Shandong University, Jinan, CHINA","institution_ids":["https://openalex.org/I154099455"]}]}],"institution_assertions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.228,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":2,"citation_normalized_percentile":{"value":0.355204,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":72,"max":76},"biblio":{"volume":null,"issue":null,"first_page":"95","last_page":"100"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9997,"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":0.9997,"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":0.9997,"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/T11269","display_name":"Algorithms and Data Compression","score":0.9976,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/online-analytical-processing","display_name":"Online analytical processing","score":0.5361367},{"id":"https://openalex.org/keywords/search-oriented-architecture","display_name":"Search-oriented architecture","score":0.4544133}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8283253},{"id":"https://openalex.org/C2988412617","wikidata":"https://www.wikidata.org/wiki/Q7441656","display_name":"Keyword search","level":2,"score":0.79442656},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.6360136},{"id":"https://openalex.org/C201932085","wikidata":"https://www.wikidata.org/wiki/Q642514","display_name":"Online analytical processing","level":3,"score":0.5361367},{"id":"https://openalex.org/C157154645","wikidata":"https://www.wikidata.org/wiki/Q7441612","display_name":"Search-oriented architecture","level":5,"score":0.4544133},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.45251632},{"id":"https://openalex.org/C125583679","wikidata":"https://www.wikidata.org/wiki/Q755673","display_name":"Search algorithm","level":2,"score":0.4512682},{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.44570434},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.42986405},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.4228677},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.38237116},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.32651407},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.24027655},{"id":"https://openalex.org/C14838553","wikidata":"https://www.wikidata.org/wiki/Q7441639","display_name":"Search analytics","level":4,"score":0.18688506},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.16631609},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1450212},{"id":"https://openalex.org/C135572916","wikidata":"https://www.wikidata.org/wiki/Q193351","display_name":"Data warehouse","level":2,"score":0.101682335}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1145/2064676.2064693","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":10,"referenced_works":["https://openalex.org/W1500374053","https://openalex.org/W1971684273","https://openalex.org/W1979703999","https://openalex.org/W1981585544","https://openalex.org/W1990223473","https://openalex.org/W2098388305","https://openalex.org/W2126256512","https://openalex.org/W2149964073","https://openalex.org/W2162244814","https://openalex.org/W2169624745"],"related_works":["https://openalex.org/W2951993637","https://openalex.org/W2513735905","https://openalex.org/W2466354565","https://openalex.org/W2186487484","https://openalex.org/W2151491383","https://openalex.org/W2124060239","https://openalex.org/W2122699404","https://openalex.org/W2082611830","https://openalex.org/W2054543254","https://openalex.org/W2035067171"],"abstract_inverted_index":{"Keyword":[0],"search":[1,51,70,82,91,124],"over":[2,52],"relational":[3],"databases":[4,53],"has":[5],"recently":[6],"received":[7],"significant":[8],"attention.":[9],"Many":[10],"solutions":[11],"and":[12,24,41,76,110],"prototypes":[13],"have":[14],"been":[15],"developed.":[16],"However,":[17],"due":[18],"to":[19,35],"large":[20],"memory":[21,38,109],"consumption":[22],"requirements":[23],"unpredictable":[25],"running":[26],"time,":[27],"most":[28],"of":[29,59,90,93],"them":[30],"cannot":[31],"be":[32],"applied":[33],"directly":[34],"situations":[36],"where":[37],"is":[39,44],"limited":[40],"quick":[42],"response":[43,114],"required,":[45],"such":[46],"as":[47,57,98],"when":[48],"performing":[49],"keyword":[50,69,81],"in":[54,87,100],"mobile":[55],"devices":[56],"part":[58],"the":[60,68,95,113,119,128],"OLAP":[61],"funtionalities.":[62],"In":[63],"this":[64],"paper,":[65],"we":[66],"attack":[67],"problem":[71],"from":[72],"a":[73,78],"new":[74,105],"perspective,":[75],"propose":[77],"cascading":[79],"top-k":[80],"algorithm,":[83],"which":[84],"generates":[85],"supernodes":[86],"each":[88],"step":[89],"instead":[92],"computing":[94],"Steiner":[96],"trees":[97],"done":[99],"many":[101],"existing":[102],"approaches.":[103,130],"This":[104],"algorithm":[106],"consumes":[107],"less":[108],"significantly":[111],"reduces":[112],"time.":[115],"Experiments":[116],"show":[117],"that":[118],"method":[120],"can":[121],"achieve":[122],"high":[123],"efficiency":[125],"compared":[126],"with":[127],"state-of-the-art":[129]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2055486393","counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2024-12-24T14:58:01.215027","created_date":"2016-06-24"}