{"id":"https://openalex.org/W2919476834","doi":"https://doi.org/10.1007/978-0-387-39940-9_926","title":"Query Expansion Models","display_name":"Query Expansion Models","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2919476834","doi":"https://doi.org/10.1007/978-0-387-39940-9_926","mag":"2919476834"},"language":"en","primary_location":{"id":"doi:10.1007/978-0-387-39940-9_926","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-0-387-39940-9_926","pdf_url":null,"source":{"id":"https://openalex.org/S4306509343","display_name":"Encyclopedia of Database Systems","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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Encyclopedia of Database Systems","raw_type":"book-chapter"},"type":"reference-entry","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/A5109888639","display_name":"Ben He","orcid":"https://orcid.org/0000-0002-2699-9209"},"institutions":[{"id":"https://openalex.org/I7882870","display_name":"University of Glasgow","ror":"https://ror.org/00vtgdb53","country_code":"GB","type":"education","lineage":["https://openalex.org/I7882870"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Ben He","raw_affiliation_strings":["University of Glasgow, Glasgow, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Glasgow, Glasgow, UK","institution_ids":["https://openalex.org/I7882870"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5109888639"],"corresponding_institution_ids":["https://openalex.org/I7882870"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2257","last_page":"2260"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9919999837875366,"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":0.9919999837875366,"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9799000024795532,"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"}},{"id":"https://openalex.org/T11719","display_name":"Data Quality and Management","score":0.9329000115394592,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4317821264266968}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4317821264266968}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/978-0-387-39940-9_926","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-0-387-39940-9_926","pdf_url":null,"source":{"id":"https://openalex.org/S4306509343","display_name":"Encyclopedia of Database Systems","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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Encyclopedia of Database Systems","raw_type":"book-chapter"},{"id":"doi:10.1007/978-1-4614-8265-9_926","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-1-4614-8265-9_926","pdf_url":null,"source":{"id":"https://openalex.org/S4306509343","display_name":"Encyclopedia of Database Systems","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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Encyclopedia of Database Systems","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2004913349","https://openalex.org/W2009078418","https://openalex.org/W2009434589","https://openalex.org/W2034117506","https://openalex.org/W2057779213","https://openalex.org/W2065096648","https://openalex.org/W2105106523","https://openalex.org/W4236329806"],"related_works":["https://openalex.org/W76002617","https://openalex.org/W2580858137","https://openalex.org/W2066605394","https://openalex.org/W2207134931","https://openalex.org/W2883211104","https://openalex.org/W2168080735","https://openalex.org/W2141527331","https://openalex.org/W3213096366","https://openalex.org/W1826195249","https://openalex.org/W167525871","https://openalex.org/W2742721703","https://openalex.org/W2146885082","https://openalex.org/W3005579692","https://openalex.org/W2779834636","https://openalex.org/W2590095470","https://openalex.org/W2385508634","https://openalex.org/W2329881088","https://openalex.org/W2562968732","https://openalex.org/W2492772771","https://openalex.org/W2084314063"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-08-04T08:18:43.703281","created_date":"2019-03-11T00:00:00"}