{"id":"https://openalex.org/W1984187667","doi":"https://doi.org/10.1017/s1471068411000512","title":"The YAP Prolog system","display_name":"The YAP Prolog system","publication_year":2011,"publication_date":"2011-10-18","ids":{"openalex":"https://openalex.org/W1984187667","doi":"https://doi.org/10.1017/s1471068411000512","mag":"1984187667"},"language":"en","primary_location":{"id":"doi:10.1017/s1471068411000512","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s1471068411000512","pdf_url":null,"source":{"id":"https://openalex.org/S59670734","display_name":"Theory and Practice of Logic Programming","issn_l":"1471-0684","issn":["1471-0684","1475-3081"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Theory and Practice of Logic Programming","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://repositorio.inesctec.pt/handle/123456789/3473","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059093687","display_name":"V\u0131\u0301tor Santos Costa","orcid":"https://orcid.org/0000-0002-3344-8237"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]},{"id":"https://openalex.org/I4210125590","display_name":"Institute for Systems Engineering and Computers","ror":"https://ror.org/033wn8m60","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"V\u00cdTOR SANTOS COSTA","raw_affiliation_strings":["DCC & CRACS INESC-Porto LA, Faculty of Sciences, University of Porto, R. do Campo Alegre 1021/1055, 4169-007 Porto, Portugal (e-mail:","Dcc & cracs inesc-porto la, faculty of sciences, university of porto, r. do campo alegre 1021/1055, 4169-007 porto, portugal (e-mail: vsc@dcc.fc.up.pt, ricroc@dcc.fc.up.pt)#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DCC & CRACS INESC-Porto LA, Faculty of Sciences, University of Porto, R. do Campo Alegre 1021/1055, 4169-007 Porto, Portugal (e-mail:","institution_ids":["https://openalex.org/I182534213","https://openalex.org/I4210125590"]},{"raw_affiliation_string":"Dcc & cracs inesc-porto la, faculty of sciences, university of porto, r. do campo alegre 1021/1055, 4169-007 porto, portugal (e-mail: vsc@dcc.fc.up.pt, ricroc@dcc.fc.up.pt)#TAB#","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007895512","display_name":"Ricardo Rocha","orcid":"https://orcid.org/0000-0003-4502-8835"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]},{"id":"https://openalex.org/I4210125590","display_name":"Institute for Systems Engineering and Computers","ror":"https://ror.org/033wn8m60","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"RICARDO ROCHA","raw_affiliation_strings":["DCC & CRACS INESC-Porto LA, Faculty of Sciences, University of Porto, R. do Campo Alegre 1021/1055, 4169-007 Porto, Portugal (e-mail:","Dcc & cracs inesc-porto la, faculty of sciences, university of porto, r. do campo alegre 1021/1055, 4169-007 porto, portugal (e-mail: vsc@dcc.fc.up.pt, ricroc@dcc.fc.up.pt)#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DCC & CRACS INESC-Porto LA, Faculty of Sciences, University of Porto, R. do Campo Alegre 1021/1055, 4169-007 Porto, Portugal (e-mail:","institution_ids":["https://openalex.org/I182534213","https://openalex.org/I4210125590"]},{"raw_affiliation_string":"Dcc & cracs inesc-porto la, faculty of sciences, university of porto, r. do campo alegre 1021/1055, 4169-007 porto, portugal (e-mail: vsc@dcc.fc.up.pt, ricroc@dcc.fc.up.pt)#TAB#","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068278843","display_name":"L\u00fa\u0131s Damas","orcid":null},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"LU\u00cdS DAMAS","raw_affiliation_strings":["LIACC, Faculty of Sciences, University of Porto, R. do Campo Alegre 1021/1055, 4169-007 Porto, Portugal (e-mail:","Liacc, faculty of sciences, university of porto, r. do campo alegre 1021/1055, 4169-007 porto, portugal (e-mail: luis@ncc.up.pt)#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LIACC, Faculty of Sciences, University of Porto, R. do Campo Alegre 1021/1055, 4169-007 Porto, Portugal (e-mail:","institution_ids":["https://openalex.org/I182534213"]},{"raw_affiliation_string":"Liacc, faculty of sciences, university of porto, r. do campo alegre 1021/1055, 4169-007 porto, portugal (e-mail: luis@ncc.up.pt)#TAB#","institution_ids":["https://openalex.org/I182534213"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":22.0002,"has_fulltext":true,"cited_by_count":126,"citation_normalized_percentile":{"value":0.99484129,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"12","issue":"1-2","first_page":"5","last_page":"34"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9993000030517578,"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"}},"topics":[{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9993000030517578,"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9987999796867371,"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/T10142","display_name":"Formal Methods in Verification","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/prolog","display_name":"Prolog","score":0.958997905254364},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8427225351333618},{"id":"https://openalex.org/keywords/logic-programming","display_name":"Logic programming","score":0.8227584958076477},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.7766335010528564},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.7399813532829285},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.14841565489768982}],"concepts":[{"id":"https://openalex.org/C81721847","wikidata":"https://www.wikidata.org/wiki/Q163468","display_name":"Prolog","level":2,"score":0.958997905254364},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8427225351333618},{"id":"https://openalex.org/C128838566","wikidata":"https://www.wikidata.org/wiki/Q275603","display_name":"Logic programming","level":2,"score":0.8227584958076477},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.7766335010528564},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.7399813532829285},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.14841565489768982}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1017/s1471068411000512","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s1471068411000512","pdf_url":null,"source":{"id":"https://openalex.org/S59670734","display_name":"Theory and Practice of Logic Programming","issn_l":"1471-0684","issn":["1471-0684","1475-3081"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Theory and Practice of Logic Programming","raw_type":"journal-article"},{"id":"pmh:oai:repositorio.inesctec.pt:123456789/3473","is_oa":true,"landing_page_url":"http://repositorio.inesctec.pt/handle/123456789/3473","pdf_url":"http://repositorio.inesctec.pt/handle/123456789/3473","source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","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":"","raw_type":"journal article"}],"best_oa_location":{"id":"pmh:oai:repositorio.inesctec.pt:123456789/3473","is_oa":true,"landing_page_url":"http://repositorio.inesctec.pt/handle/123456789/3473","pdf_url":"http://repositorio.inesctec.pt/handle/123456789/3473","source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","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":"","raw_type":"journal article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334779","display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","ror":"https://ror.org/00snfqn58"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1984187667.pdf","grobid_xml":"https://content.openalex.org/works/W1984187667.grobid-xml"},"referenced_works_count":94,"referenced_works":["https://openalex.org/W3821108","https://openalex.org/W16815003","https://openalex.org/W22826074","https://openalex.org/W34867624","https://openalex.org/W59162145","https://openalex.org/W163016242","https://openalex.org/W194795734","https://openalex.org/W206929973","https://openalex.org/W1480296171","https://openalex.org/W1486324663","https://openalex.org/W1492803714","https://openalex.org/W1497274405","https://openalex.org/W1504500318","https://openalex.org/W1505752097","https://openalex.org/W1506396519","https://openalex.org/W1515187406","https://openalex.org/W1517590008","https://openalex.org/W1522222439","https://openalex.org/W1529280749","https://openalex.org/W1539707058","https://openalex.org/W1546447716","https://openalex.org/W1550675824","https://openalex.org/W1560531798","https://openalex.org/W1567678041","https://openalex.org/W1574950491","https://openalex.org/W1577159241","https://openalex.org/W1579154664","https://openalex.org/W1579914521","https://openalex.org/W1584658906","https://openalex.org/W1586507224","https://openalex.org/W1586882919","https://openalex.org/W1588020990","https://openalex.org/W1589263172","https://openalex.org/W1597356853","https://openalex.org/W1602023752","https://openalex.org/W1750296818","https://openalex.org/W1752657798","https://openalex.org/W1827267273","https://openalex.org/W1865141403","https://openalex.org/W1969456304","https://openalex.org/W1970416898","https://openalex.org/W1970664558","https://openalex.org/W1971941065","https://openalex.org/W1977970897","https://openalex.org/W1978518357","https://openalex.org/W1991332789","https://openalex.org/W1996228297","https://openalex.org/W1997210046","https://openalex.org/W2000121592","https://openalex.org/W2019968021","https://openalex.org/W2051689750","https://openalex.org/W2056680627","https://openalex.org/W2058847156","https://openalex.org/W2059853822","https://openalex.org/W2065590295","https://openalex.org/W2091478774","https://openalex.org/W2101335378","https://openalex.org/W2108172832","https://openalex.org/W2118382442","https://openalex.org/W2119493804","https://openalex.org/W2124342795","https://openalex.org/W2124571243","https://openalex.org/W2127409356","https://openalex.org/W2129086731","https://openalex.org/W2130683061","https://openalex.org/W2155247860","https://openalex.org/W2157106361","https://openalex.org/W2163976959","https://openalex.org/W2170105744","https://openalex.org/W2210190948","https://openalex.org/W2404017579","https://openalex.org/W2523003410","https://openalex.org/W2524046996","https://openalex.org/W2612638105","https://openalex.org/W2899766884","https://openalex.org/W2912258941","https://openalex.org/W2912613826","https://openalex.org/W2912855545","https://openalex.org/W2913256600","https://openalex.org/W2913295241","https://openalex.org/W2949130277","https://openalex.org/W3085129737","https://openalex.org/W3099730853","https://openalex.org/W4233965881","https://openalex.org/W4244825026","https://openalex.org/W4285719527","https://openalex.org/W4293282487","https://openalex.org/W4300521332","https://openalex.org/W4386211642","https://openalex.org/W6632884749","https://openalex.org/W6664737623","https://openalex.org/W6684761607","https://openalex.org/W6727309652","https://openalex.org/W6784908463"],"related_works":["https://openalex.org/W1999702466","https://openalex.org/W2140386967","https://openalex.org/W4248067243","https://openalex.org/W4246503451","https://openalex.org/W4205997139","https://openalex.org/W1534488117","https://openalex.org/W4206249920","https://openalex.org/W1485791179","https://openalex.org/W1560895966","https://openalex.org/W4255908260"],"abstract_inverted_index":{"Abstract":[0],"Yet":[1],"Another":[2],"Prolog":[3,7,59],"(YAP)":[4],"is":[5],"a":[6,67,79,87,104],"system":[8,93],"originally":[9],"developed":[10],"in":[11,53,103],"the":[12,27,33,42,49,91,96],"mid-eighties":[13],"and":[14,30,101],"that":[15],"has":[16,94],"been":[17,95],"under":[18],"almost":[19],"constant":[20],"development":[21],"since":[22],"then.":[23],"This":[24],"paper":[25],"presents":[26],"general":[28],"structure":[29],"design":[31],"of":[32,90,98],"YAP":[34,54,72,92],"system,":[35],"focusing":[36],"on":[37],"three":[38],"important":[39,88],"contributions":[40],"to":[41,55,74],"Logic":[43,63,106],"Programming":[44,64,107],"community.":[45],"First,":[46],"it":[47],"describes":[48],"main":[50],"techniques":[51],"used":[52],"achieve":[56],"an":[57],"efficient":[58],"engine.":[60],"Second,":[61],"most":[62],"systems":[65],"have":[66],"rather":[68],"limited":[69],"indexing":[70,81],"algorithm.":[71],"contributes":[73],"this":[75],"area":[76],"by":[77],"providing":[78],"dynamic":[80],"mechanism,":[82],"or":[83],"just-in-time":[84],"indexer.":[85],"Third,":[86],"contribution":[89],"integration":[97],"both":[99],"or-parallelism":[100],"tabling":[102],"single":[105],"system.":[108]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":10},{"year":2016,"cited_by_count":13},{"year":2015,"cited_by_count":14},{"year":2014,"cited_by_count":16},{"year":2013,"cited_by_count":22},{"year":2012,"cited_by_count":9}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}