{"id":"https://openalex.org/W2164631724","doi":"https://doi.org/10.1109/rcis.2009.5089300","title":"Efficient evaluation of preference query processes using twig caches","display_name":"Efficient evaluation of preference query processes using twig caches","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2164631724","doi":"https://doi.org/10.1109/rcis.2009.5089300","mag":"2164631724"},"language":"en","primary_location":{"id":"doi:10.1109/rcis.2009.5089300","is_oa":false,"landing_page_url":"https://doi.org/10.1109/rcis.2009.5089300","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 Third International Conference on Research Challenges in Information Science","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/A5044318802","display_name":"SungRan Cho","orcid":null},"institutions":[{"id":"https://openalex.org/I4210136150","display_name":"L3S Research Center","ror":"https://ror.org/039t4wk02","country_code":"DE","type":"facility","lineage":["https://openalex.org/I114112103","https://openalex.org/I4210136150","https://openalex.org/I94509681"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"SungRan Cho","raw_affiliation_strings":["L3S Research Center, Hanover, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"L3S Research Center, Hanover, Germany","institution_ids":["https://openalex.org/I4210136150"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028160430","display_name":"Wolf\u2010Tilo Balke","orcid":"https://orcid.org/0000-0002-5443-1215"},"institutions":[{"id":"https://openalex.org/I4210136150","display_name":"L3S Research Center","ror":"https://ror.org/039t4wk02","country_code":"DE","type":"facility","lineage":["https://openalex.org/I114112103","https://openalex.org/I4210136150","https://openalex.org/I94509681"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wolf-Tilo Balke","raw_affiliation_strings":["L3S Research Center, Hanover, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"L3S Research Center, Hanover, Germany","institution_ids":["https://openalex.org/I4210136150"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210136150"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"5","issue":null,"first_page":"365","last_page":"374"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9997000098228455,"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/T11106","display_name":"Data Management and Algorithms","score":0.9995999932289124,"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/T11478","display_name":"Caching and Content Delivery","score":0.9933000206947327,"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":0.8694673776626587},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.6373229026794434},{"id":"https://openalex.org/keywords/query-expansion","display_name":"Query expansion","score":0.5869978070259094},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.5819732546806335},{"id":"https://openalex.org/keywords/query-language","display_name":"Query language","score":0.5549220442771912},{"id":"https://openalex.org/keywords/web-query-classification","display_name":"Web query classification","score":0.5405674576759338},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.532389760017395},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.4768296778202057},{"id":"https://openalex.org/keywords/spatial-query","display_name":"Spatial query","score":0.45950859785079956},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4256938397884369},{"id":"https://openalex.org/keywords/preference","display_name":"Preference","score":0.4197849929332733},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.37952369451522827},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.1526150405406952},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.12082058191299438}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8694673776626587},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.6373229026794434},{"id":"https://openalex.org/C99016210","wikidata":"https://www.wikidata.org/wiki/Q5488129","display_name":"Query expansion","level":2,"score":0.5869978070259094},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.5819732546806335},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.5549220442771912},{"id":"https://openalex.org/C118689300","wikidata":"https://www.wikidata.org/wiki/Q7978614","display_name":"Web query classification","level":4,"score":0.5405674576759338},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.532389760017395},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.4768296778202057},{"id":"https://openalex.org/C172722865","wikidata":"https://www.wikidata.org/wiki/Q2302053","display_name":"Spatial query","level":5,"score":0.45950859785079956},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4256938397884369},{"id":"https://openalex.org/C2781249084","wikidata":"https://www.wikidata.org/wiki/Q908656","display_name":"Preference","level":2,"score":0.4197849929332733},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.37952369451522827},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.1526150405406952},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.12082058191299438},{"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/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/rcis.2009.5089300","is_oa":false,"landing_page_url":"https://doi.org/10.1109/rcis.2009.5089300","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 Third International Conference on Research Challenges in Information Science","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.159.1658","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.159.1658","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.ifis.cs.tu-bs.de/sites/default/files/biblio/rcis09_twig_cache_pdf_79965.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1527862858","https://openalex.org/W1536535841","https://openalex.org/W1538246304","https://openalex.org/W1549717312","https://openalex.org/W1563590781","https://openalex.org/W1600378142","https://openalex.org/W1782038971","https://openalex.org/W1856746784","https://openalex.org/W2042822919","https://openalex.org/W2054170837","https://openalex.org/W2061884758","https://openalex.org/W2074919500","https://openalex.org/W2084243240","https://openalex.org/W2093979658","https://openalex.org/W2113836856","https://openalex.org/W2124770891","https://openalex.org/W2126500482","https://openalex.org/W2163453947","https://openalex.org/W2221389368","https://openalex.org/W2918864124","https://openalex.org/W4248953486","https://openalex.org/W4254335296","https://openalex.org/W4255338640","https://openalex.org/W6631587722","https://openalex.org/W6632272154","https://openalex.org/W6632680533","https://openalex.org/W6633828322","https://openalex.org/W6635995653"],"related_works":["https://openalex.org/W2572349046","https://openalex.org/W2096359267","https://openalex.org/W2026738364","https://openalex.org/W3197639690","https://openalex.org/W2124814993","https://openalex.org/W2113390685","https://openalex.org/W2017989738","https://openalex.org/W1981131819","https://openalex.org/W8514837","https://openalex.org/W2186703450"],"abstract_inverted_index":{"Facing":[0],"today's":[1],"information":[2],"flood":[3],"needs":[4,18],"efficient":[5],"means":[6],"for":[7,33,39,90,160,169],"personalization.":[8],"Therefore":[9],"XML":[10],"query":[11,52,68,92,185,199],"processing":[12,27,200],"over":[13],"large":[14],"volumes":[15],"of":[16,24,43,50,79,101,146,179],"data":[17,174],"to":[19,120,138,182],"make":[20],"the":[21,40,58,140,176],"most":[22,141],"out":[23],"already":[25],"spent":[26],"time":[28],"by":[29,57,115,193],"caching":[30,97,132],"common":[31],"(sub)expressions":[32],"reuse.":[34],"This":[35],"is":[36,54,105],"especially":[37,106],"promising":[38],"new":[41],"paradigm":[42],"personalized":[44],"preference":[45,103,136,198],"queries.":[46,149],"Here":[47],"a":[48,67,76,121,129,153,166],"sequence":[49,178],"possible":[51,81],"relaxations":[53],"a-priori":[55],"determined":[56],"users'":[59],"preferences.":[60],"Structural":[61],"and":[62,175],"value-based":[63],"preferences":[64],"thus":[65],"define":[66],"process":[69],"where":[70],"predicates":[71],"are":[72],"progressively":[73],"relaxed":[74],"until":[75],"suitable":[77],"set":[78],"best":[80],"results":[82,100,145],"has":[83],"been":[84],"retrieved.":[85],"To":[86],"improve":[87],"evaluation":[88,186],"times":[89],"such":[91],"processes":[93],"we":[94,127,164],"argue":[95],"that":[96,134,192],"intermediate":[98],"join":[99,144,170],"structural":[102,130,143],"queries":[104,110,119,137,181],"effective,":[107],"because":[108],"subsequent":[109],"will":[111],"always":[112],"be":[113,202],"subsumed":[114],"some":[116],"previously":[117],"cached":[118,173],"certain":[122],"extent.":[123],"In":[124],"this":[125],"paper":[126],"propose":[128],"join-based":[131],"scheme":[133],"allows":[135],"reuse":[139],"beneficial":[142],"all":[147],"previous":[148],"We":[150],"first":[151],"design":[152],"twig":[154,196],"cache":[155,161],"along":[156],"with":[157],"effective":[158],"strategies":[159],"management.":[162],"Moreover,":[163],"present":[165],"selection":[167],"algorithm":[168],"orders":[171],"using":[172,194],"preference-induced":[177],"future":[180],"select":[183],"optimal":[184],"plans.":[187],"Our":[188],"benchmark":[189],"experiments":[190],"show":[191],"our":[195],"caches":[197],"can":[201],"essentially":[203],"sped":[204],"up.":[205]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}