{"id":"https://openalex.org/W2896811121","doi":"https://doi.org/10.1145/3269206.3269305","title":"Efficient and Effective Query Expansion for Web Search","display_name":"Efficient and Effective Query Expansion for Web Search","publication_year":2018,"publication_date":"2018-10-17","ids":{"openalex":"https://openalex.org/W2896811121","doi":"https://doi.org/10.1145/3269206.3269305","mag":"2896811121"},"language":"en","primary_location":{"id":"doi:10.1145/3269206.3269305","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3269206.3269305","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 27th ACM International Conference on Information and Knowledge Management","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://openportal.isti.cnr.it/doc?id=people______::0c136d35c809ac937753949beb2966b3","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5030358452","display_name":"Claudio Lucchese","orcid":"https://orcid.org/0000-0002-2545-0425"},"institutions":[{"id":"https://openalex.org/I168208266","display_name":"Venice International University","ror":"https://ror.org/05xtnfk88","country_code":"IT","type":"education","lineage":["https://openalex.org/I168208266"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Claudio Lucchese","raw_affiliation_strings":["University of Venice, Venice, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Venice, Venice, Italy","institution_ids":["https://openalex.org/I168208266"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082554104","display_name":"Franco Maria Nardini","orcid":"https://orcid.org/0000-0003-3183-334X"},"institutions":[{"id":"https://openalex.org/I122991210","display_name":"Istituto di Scienza e Tecnologie dell'Informazione \"Alessandro Faedo\"","ror":"https://ror.org/05kacka20","country_code":"IT","type":"facility","lineage":["https://openalex.org/I122991210","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Franco Maria Nardini","raw_affiliation_strings":["ISTI-CNR, Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ISTI-CNR, Pisa, Italy","institution_ids":["https://openalex.org/I122991210"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035605298","display_name":"Raffaele Perego","orcid":"https://orcid.org/0000-0001-7189-4724"},"institutions":[{"id":"https://openalex.org/I122991210","display_name":"Istituto di Scienza e Tecnologie dell'Informazione \"Alessandro Faedo\"","ror":"https://ror.org/05kacka20","country_code":"IT","type":"facility","lineage":["https://openalex.org/I122991210","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Raffaele Perego","raw_affiliation_strings":["ISTI-CNR, Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ISTI-CNR, Pisa, Italy","institution_ids":["https://openalex.org/I122991210"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076068546","display_name":"Roberto Trani","orcid":"https://orcid.org/0000-0002-6753-3149"},"institutions":[{"id":"https://openalex.org/I122991210","display_name":"Istituto di Scienza e Tecnologie dell'Informazione \"Alessandro Faedo\"","ror":"https://ror.org/05kacka20","country_code":"IT","type":"facility","lineage":["https://openalex.org/I122991210","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Roberto Trani","raw_affiliation_strings":["ISTI-CNR, Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ISTI-CNR, Pisa, Italy","institution_ids":["https://openalex.org/I122991210"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084138015","display_name":"Rossano Venturini","orcid":"https://orcid.org/0000-0002-9830-3936"},"institutions":[{"id":"https://openalex.org/I108290504","display_name":"University of Pisa","ror":"https://ror.org/03ad39j10","country_code":"IT","type":"education","lineage":["https://openalex.org/I108290504"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Rossano Venturini","raw_affiliation_strings":["University of Pisa, Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pisa, Pisa, Italy","institution_ids":["https://openalex.org/I108290504"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.4762,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.83671141,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1551","last_page":"1554"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9984999895095825,"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":0.9984999895095825,"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/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9979000091552734,"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/T12016","display_name":"Web Data Mining and Analysis","score":0.9975000023841858,"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":0.8039436340332031},{"id":"https://openalex.org/keywords/query-expansion","display_name":"Query expansion","score":0.7863560318946838},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.6331714987754822},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.6322563886642456},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.5998960733413696},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.5649839639663696},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5292498469352722},{"id":"https://openalex.org/keywords/sargable","display_name":"Sargable","score":0.43510836362838745},{"id":"https://openalex.org/keywords/ranking","display_name":"Ranking (information retrieval)","score":0.42687565088272095},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3554726541042328},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.34437325596809387},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.20162034034729004}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8039436340332031},{"id":"https://openalex.org/C99016210","wikidata":"https://www.wikidata.org/wiki/Q5488129","display_name":"Query expansion","level":2,"score":0.7863560318946838},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.6331714987754822},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.6322563886642456},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.5998960733413696},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.5649839639663696},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5292498469352722},{"id":"https://openalex.org/C192939062","wikidata":"https://www.wikidata.org/wiki/Q104840822","display_name":"Sargable","level":4,"score":0.43510836362838745},{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.42687565088272095},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3554726541042328},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.34437325596809387},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.20162034034729004}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1145/3269206.3269305","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3269206.3269305","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 27th ACM International Conference on Information and Knowledge Management","raw_type":"proceedings-article"},{"id":"pmh:oai:arpi.unipi.it:11568/945055","is_oa":false,"landing_page_url":"http://hdl.handle.net/11568/945055","pdf_url":null,"source":{"id":"https://openalex.org/S4377196265","display_name":"CINECA IRIS Institutial research information system (University of Pisa)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I108290504","host_organization_name":"University of Pisa","host_organization_lineage":["https://openalex.org/I108290504"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:dnet:people______::0c136d35c809ac937753949beb2966b3","is_oa":true,"landing_page_url":"https://openportal.isti.cnr.it/doc?id=people______::0c136d35c809ac937753949beb2966b3","pdf_url":null,"source":{"id":"https://openalex.org/S7407055261","display_name":"ISTI Open Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Conference on Information and Knowledge Management (CIKM), pp. 1551\u20131554, 22-26/10/2018","raw_type":"http://purl.org/coar/resource_type/c_5794"},{"id":"pmh:oai:iris.unive.it:10278/3703709","is_oa":false,"landing_page_url":"http://hdl.handle.net/10278/3703709","pdf_url":null,"source":{"id":"https://openalex.org/S4306402336","display_name":"ARCA (Universit\u00e0 Ca' Foscari Venezia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I149461666","host_organization_name":"Ca' Foscari University of Venice","host_organization_lineage":["https://openalex.org/I149461666"],"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":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:dnet:people______::0c136d35c809ac937753949beb2966b3","is_oa":true,"landing_page_url":"https://openportal.isti.cnr.it/doc?id=people______::0c136d35c809ac937753949beb2966b3","pdf_url":null,"source":{"id":"https://openalex.org/S7407055261","display_name":"ISTI Open Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Conference on Information and Knowledge Management (CIKM), pp. 1551\u20131554, 22-26/10/2018","raw_type":"http://purl.org/coar/resource_type/c_5794"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W186296515","https://openalex.org/W1972070683","https://openalex.org/W1984565341","https://openalex.org/W1993692165","https://openalex.org/W2032395777","https://openalex.org/W2060030398","https://openalex.org/W2089455813","https://openalex.org/W2090000323","https://openalex.org/W2100866419","https://openalex.org/W2102563107","https://openalex.org/W2104049510","https://openalex.org/W2105106523","https://openalex.org/W2119377856","https://openalex.org/W2134195052","https://openalex.org/W2168006621","https://openalex.org/W2168507657","https://openalex.org/W2169213601","https://openalex.org/W2337859200","https://openalex.org/W2740342782","https://openalex.org/W4236329806","https://openalex.org/W4246858749"],"related_works":["https://openalex.org/W2096359267","https://openalex.org/W3125756434","https://openalex.org/W2184296057","https://openalex.org/W2538384344","https://openalex.org/W2901901036","https://openalex.org/W2146885082","https://openalex.org/W2572349046","https://openalex.org/W3049728138","https://openalex.org/W2026738364","https://openalex.org/W2392799717"],"abstract_inverted_index":{"Query":[0],"Expansion":[1],"(QE)":[2],"techniques":[3],"expand":[4],"the":[5,17,28,37,41,81,89,92,95,101,136,141],"user":[6],"queries":[7,73],"with":[8,62,148],"additional":[9],"terms,":[10],"e.g.,":[11],"synonyms":[12],"and":[13,74,91,120],"acronyms,":[14],"to":[15,26,57,130,145],"enhance":[16],"system":[18],"recall.":[19],"State-of-the-art":[20],"solutions":[21],"employ":[22],"machine":[23],"learning":[24],"methods":[25],"select":[27],"most":[29,33],"suitable":[30],"terms.":[31,50],"However,":[32],"of":[34,39,53,94,140,153],"them":[35],"neglect":[36],"cost":[38],"processing":[40],"expanded":[42],"queries,":[43],"thus":[44],"selecting":[45],"effective,":[46],"yet":[47],"very":[48],"expensive,":[49],"The":[51],"goal":[52],"this":[54],"paper":[55],"is":[56],"enable":[58],"QE":[59,68],"in":[60],"scenarios":[61],"tight":[63],"time":[64,143],"constraints":[65],"proposing":[66],"a":[67,131,138,150],"framework":[69],"based":[70],"on":[71,115],"structured":[72],"efficiency-aware":[75],"term":[76],"selection":[77,84],"strategies.":[78],"In":[79],"particular,":[80],"proposed":[82],"expansion":[83,96],"strategies":[85],"aim":[86],"at":[87],"capturing":[88],"efficiency":[90,133],"effectiveness":[93],"candidates,":[97],"as":[98,100],"well":[99],"dependencies":[102],"among":[103],"them.":[104],"We":[105],"evaluate":[106],"our":[107,127],"proposals":[108],"by":[109],"conducting":[110],"an":[111],"extensive":[112],"experimental":[113],"assessment":[114],"real-world":[116],"search":[117],"engine":[118],"data":[119],"public":[121],"TREC":[122],"data.":[123],"Results":[124],"confirm":[125],"that":[126],"approach":[128],"leads":[129],"remarkable":[132],"improvement":[134],"w.r.t.":[135],"state-of-the-art:":[137],"reduction":[139],"retrieval":[142],"up":[144],"30":[146],"times,":[147],"only":[149],"small":[151],"loss":[152],"effectiveness.":[154]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":3}],"updated_date":"2026-07-10T07:45:09.275182","created_date":"2025-10-10T00:00:00"}