{"id":"https://openalex.org/W1977405241","doi":"https://doi.org/10.1007/s007780050019","title":"Algebraic query optimisation for database programming languages","display_name":"Algebraic query optimisation for database programming languages","publication_year":1996,"publication_date":"1996-04-01","ids":{"openalex":"https://openalex.org/W1977405241","doi":"https://doi.org/10.1007/s007780050019","mag":"1977405241"},"language":"en","primary_location":{"id":"doi:10.1007/s007780050019","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s007780050019","pdf_url":null,"source":{"id":"https://openalex.org/S78926909","display_name":"The VLDB Journal","issn_l":"0949-877X","issn":["0949-877X","1066-8888"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The VLDB Journal The International Journal on Very Large Data Bases","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/A5051400056","display_name":"Alexandra Poulovassilis","orcid":"https://orcid.org/0000-0001-8981-4104"},"institutions":[{"id":"https://openalex.org/I183935753","display_name":"King's College London","ror":"https://ror.org/0220mzb33","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I183935753"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Alexandra Poulovassilis","raw_affiliation_strings":["Department of Computer Science,\nKing's College London, Strand, London WC2R 2LS, UK;\ne-mail: alex@dcs.kcl.ac.uk\n, , , , , , GB","Department of Computer Science, King's College London, Strand, London WC2R 2LS, UK; e-mail: alex@dcs.kcl.ac.uk#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science,\nKing's College London, Strand, London WC2R 2LS, UK;\ne-mail: alex@dcs.kcl.ac.uk\n, , , , , , GB","institution_ids":["https://openalex.org/I183935753"]},{"raw_affiliation_string":"Department of Computer Science, King's College London, Strand, London WC2R 2LS, UK; e-mail: alex@dcs.kcl.ac.uk#TAB#","institution_ids":["https://openalex.org/I183935753"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026232625","display_name":"Carol Small","orcid":null},"institutions":[{"id":"https://openalex.org/I98259816","display_name":"Birkbeck, University of London","ror":"https://ror.org/02mb95055","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I98259816"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Carol Small","raw_affiliation_strings":["Department of Computer Science,\nBirkbeck College, Malet St., London WC1E 7HX, UK;\ne-mail: carol@dcs.bbk.ac.uk\n, , , , , , GB","Department of Computer Science, Birkbeck College, Malet St., London WC1E 7HX, UK; e-mail: carol@dcs.bbk.ac.uk#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science,\nBirkbeck College, Malet St., London WC1E 7HX, UK;\ne-mail: carol@dcs.bbk.ac.uk\n, , , , , , GB","institution_ids":["https://openalex.org/I98259816"]},{"raw_affiliation_string":"Department of Computer Science, Birkbeck College, Malet St., London WC1E 7HX, UK; e-mail: carol@dcs.bbk.ac.uk#TAB#","institution_ids":["https://openalex.org/I98259816"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":null,"fwci":3.3947,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.91855133,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"5","issue":"2","first_page":"119","last_page":"132"},"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":0.9991000294685364,"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9958000183105469,"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/computer-science","display_name":"Computer science","score":0.7412633895874023},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.6700628399848938},{"id":"https://openalex.org/keywords/query-language","display_name":"Query language","score":0.6220753192901611},{"id":"https://openalex.org/keywords/equivalence","display_name":"Equivalence (formal languages)","score":0.5377910137176514},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5185904502868652},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.5079777836799622},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.48673534393310547},{"id":"https://openalex.org/keywords/syntax","display_name":"Syntax","score":0.4713513255119324},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4440620541572571},{"id":"https://openalex.org/keywords/language-construct","display_name":"Language construct","score":0.4384022057056427},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4260070025920868},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3480898141860962},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19056230783462524},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1795148253440857},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.11412626504898071}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7412633895874023},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.6700628399848938},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.6220753192901611},{"id":"https://openalex.org/C2780069185","wikidata":"https://www.wikidata.org/wiki/Q7977945","display_name":"Equivalence (formal languages)","level":2,"score":0.5377910137176514},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5185904502868652},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.5079777836799622},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.48673534393310547},{"id":"https://openalex.org/C60048249","wikidata":"https://www.wikidata.org/wiki/Q37437","display_name":"Syntax","level":2,"score":0.4713513255119324},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4440620541572571},{"id":"https://openalex.org/C48859967","wikidata":"https://www.wikidata.org/wiki/Q6486712","display_name":"Language construct","level":2,"score":0.4384022057056427},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4260070025920868},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3480898141860962},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19056230783462524},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1795148253440857},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.11412626504898071},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1007/s007780050019","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s007780050019","pdf_url":null,"source":{"id":"https://openalex.org/S78926909","display_name":"The VLDB Journal","issn_l":"0949-877X","issn":["0949-877X","1066-8888"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The VLDB Journal The International Journal on Very Large Data Bases","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.43.1976","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.43.1976","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.dcs.bbk.ac.uk/~ap/pubs/vldbj96.ps","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.55.3248","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.55.3248","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://atschlichter9.informatik.tu-muenchen.de:3180/Millicent/journals/vldb/tocs/../papers/6005002/60050119.ps.gz","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W53782684","https://openalex.org/W54561612","https://openalex.org/W144096106","https://openalex.org/W573363114","https://openalex.org/W1480135766","https://openalex.org/W1481805023","https://openalex.org/W1503030070","https://openalex.org/W1507693023","https://openalex.org/W1523047387","https://openalex.org/W1538786304","https://openalex.org/W1543641760","https://openalex.org/W1564646625","https://openalex.org/W1576853379","https://openalex.org/W1592609929","https://openalex.org/W1604342352","https://openalex.org/W1741698332","https://openalex.org/W1770574397","https://openalex.org/W1802883566","https://openalex.org/W1965392376","https://openalex.org/W1973635708","https://openalex.org/W1994933468","https://openalex.org/W2004482302","https://openalex.org/W2023299380","https://openalex.org/W2052207858","https://openalex.org/W2062024564","https://openalex.org/W2071457257","https://openalex.org/W2115847338","https://openalex.org/W2129991383","https://openalex.org/W2139508393","https://openalex.org/W2145067417","https://openalex.org/W2148517439","https://openalex.org/W2162602286","https://openalex.org/W2162621793","https://openalex.org/W2166921026","https://openalex.org/W2167679350","https://openalex.org/W2295914203","https://openalex.org/W2914693551","https://openalex.org/W3161549246"],"related_works":["https://openalex.org/W4388713123","https://openalex.org/W3194438104","https://openalex.org/W2570592793","https://openalex.org/W2753140600","https://openalex.org/W2354135050","https://openalex.org/W1979017339","https://openalex.org/W2372239957","https://openalex.org/W4317460504","https://openalex.org/W2028027992","https://openalex.org/W4237266227"],"abstract_inverted_index":null,"counts_by_year":[{"year":2014,"cited_by_count":2}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}
