{"id":"https://openalex.org/W1587341848","doi":"https://doi.org/10.1186/s13173-015-0023-2","title":"Open information extraction based on lexical semantics","display_name":"Open information extraction based on lexical semantics","publication_year":2015,"publication_date":"2015-05-05","ids":{"openalex":"https://openalex.org/W1587341848","doi":"https://doi.org/10.1186/s13173-015-0023-2","mag":"1587341848"},"language":"en","primary_location":{"id":"doi:10.1186/s13173-015-0023-2","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s13173-015-0023-2","pdf_url":"https://journal-bcs.springeropen.com/track/pdf/10.1186/s13173-015-0023-2","source":{"id":"https://openalex.org/S69801987","display_name":"Journal of the Brazilian Computer Society","issn_l":"0104-6500","issn":["0104-6500","1678-4804"],"is_oa":true,"is_in_doaj":true,"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":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Brazilian Computer Society","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://journal-bcs.springeropen.com/track/pdf/10.1186/s13173-015-0023-2","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103893163","display_name":"Clarissa Xavier","orcid":null},"institutions":[{"id":"https://openalex.org/I45643870","display_name":"Pontif\u00edcia Universidade Cat\u00f3lica do Rio Grande do Sul","ror":"https://ror.org/025vmq686","country_code":"BR","type":"education","lineage":["https://openalex.org/I45643870"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Clarissa Castell\u00e3 Xavier","raw_affiliation_strings":["Faculty of Informatics, Pontifical Catholic University of Rio Grande do Sul, Av. Ipiranga 6681, Porto Alegre, Brazil","[Faculty of Informatics, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil]"],"affiliations":[{"raw_affiliation_string":"Faculty of Informatics, Pontifical Catholic University of Rio Grande do Sul, Av. Ipiranga 6681, Porto Alegre, Brazil","institution_ids":["https://openalex.org/I45643870"]},{"raw_affiliation_string":"[Faculty of Informatics, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil]","institution_ids":["https://openalex.org/I45643870"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109129300","display_name":"Vera L\u00facia Strube de Lima","orcid":null},"institutions":[{"id":"https://openalex.org/I45643870","display_name":"Pontif\u00edcia Universidade Cat\u00f3lica do Rio Grande do Sul","ror":"https://ror.org/025vmq686","country_code":"BR","type":"education","lineage":["https://openalex.org/I45643870"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Vera L\u00facia Strube de Lima","raw_affiliation_strings":["Faculty of Informatics, Pontifical Catholic University of Rio Grande do Sul, Av. Ipiranga 6681, Porto Alegre, Brazil","[Faculty of Informatics, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil]"],"affiliations":[{"raw_affiliation_string":"Faculty of Informatics, Pontifical Catholic University of Rio Grande do Sul, Av. Ipiranga 6681, Porto Alegre, Brazil","institution_ids":["https://openalex.org/I45643870"]},{"raw_affiliation_string":"[Faculty of Informatics, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil]","institution_ids":["https://openalex.org/I45643870"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026147454","display_name":"Marlo Souza","orcid":"https://orcid.org/0000-0002-5373-7271"},"institutions":[{"id":"https://openalex.org/I130442723","display_name":"Universidade Federal do Rio Grande do Sul","ror":"https://ror.org/041yk2d64","country_code":"BR","type":"education","lineage":["https://openalex.org/I130442723"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Marlo Souza","raw_affiliation_strings":["Institute of Informatics, Federal University of Rio Grande do Sul, Av. Bento Gon\u00e7alves, Porto Alegre, 9500, Brazil","Institute of Informatics, Federal University of Rio Grande do Sul, Porto Alegre, Brazil"],"affiliations":[{"raw_affiliation_string":"Institute of Informatics, Federal University of Rio Grande do Sul, Av. Bento Gon\u00e7alves, Porto Alegre, 9500, Brazil","institution_ids":["https://openalex.org/I130442723"]},{"raw_affiliation_string":"Institute of Informatics, Federal University of Rio Grande do Sul, Porto Alegre, Brazil","institution_ids":["https://openalex.org/I130442723"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5103893163"],"corresponding_institution_ids":["https://openalex.org/I45643870"],"apc_list":null,"apc_paid":null,"fwci":4.7459,"has_fulltext":true,"cited_by_count":21,"citation_normalized_percentile":{"value":0.95052094,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"21","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10181","display_name":"Natural Language Processing Techniques","score":0.9998999834060669,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.9998999834060669,"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/T10028","display_name":"Topic Modeling","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/T10215","display_name":"Semantic Web and Ontologies","score":0.9954000115394592,"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":0.8608854413032532},{"id":"https://openalex.org/keywords/extractor","display_name":"Extractor","score":0.8066431283950806},{"id":"https://openalex.org/keywords/open-domain","display_name":"Open domain","score":0.5890491008758545},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.5539400577545166},{"id":"https://openalex.org/keywords/information-extraction","display_name":"Information extraction","score":0.5221453309059143},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.48684900999069214},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.4745296239852905},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.45496612787246704},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.4462580978870392},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.37270408868789673},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.17448526620864868},{"id":"https://openalex.org/keywords/question-answering","display_name":"Question answering","score":0.09443625807762146},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07290616631507874}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8608854413032532},{"id":"https://openalex.org/C117978034","wikidata":"https://www.wikidata.org/wiki/Q5422192","display_name":"Extractor","level":2,"score":0.8066431283950806},{"id":"https://openalex.org/C2993776861","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Open domain","level":3,"score":0.5890491008758545},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.5539400577545166},{"id":"https://openalex.org/C195807954","wikidata":"https://www.wikidata.org/wiki/Q1662562","display_name":"Information extraction","level":2,"score":0.5221453309059143},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.48684900999069214},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.4745296239852905},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.45496612787246704},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4462580978870392},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.37270408868789673},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.17448526620864868},{"id":"https://openalex.org/C44291984","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Question answering","level":2,"score":0.09443625807762146},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07290616631507874},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C21880701","wikidata":"https://www.wikidata.org/wiki/Q2144042","display_name":"Process engineering","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1186/s13173-015-0023-2","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s13173-015-0023-2","pdf_url":"https://journal-bcs.springeropen.com/track/pdf/10.1186/s13173-015-0023-2","source":{"id":"https://openalex.org/S69801987","display_name":"Journal of the Brazilian Computer Society","issn_l":"0104-6500","issn":["0104-6500","1678-4804"],"is_oa":true,"is_in_doaj":true,"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":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Brazilian Computer Society","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1186/s13173-015-0023-2","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s13173-015-0023-2","pdf_url":"https://journal-bcs.springeropen.com/track/pdf/10.1186/s13173-015-0023-2","source":{"id":"https://openalex.org/S69801987","display_name":"Journal of the Brazilian Computer Society","issn_l":"0104-6500","issn":["0104-6500","1678-4804"],"is_oa":true,"is_in_doaj":true,"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":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Brazilian Computer Society","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.6200000047683716,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1587341848.pdf","grobid_xml":"https://content.openalex.org/works/W1587341848.grobid-xml"},"referenced_works_count":70,"referenced_works":["https://openalex.org/W23972312","https://openalex.org/W32302389","https://openalex.org/W38873404","https://openalex.org/W49488452","https://openalex.org/W91937416","https://openalex.org/W95553785","https://openalex.org/W204967857","https://openalex.org/W314565566","https://openalex.org/W1237429515","https://openalex.org/W1493490255","https://openalex.org/W1523762189","https://openalex.org/W1529731474","https://openalex.org/W1551694494","https://openalex.org/W1563635790","https://openalex.org/W1572948005","https://openalex.org/W1577834605","https://openalex.org/W1632114991","https://openalex.org/W1782550378","https://openalex.org/W1837642833","https://openalex.org/W1854866626","https://openalex.org/W1890589545","https://openalex.org/W1928047241","https://openalex.org/W1966231776","https://openalex.org/W1968548280","https://openalex.org/W1988576742","https://openalex.org/W2059031628","https://openalex.org/W2068737686","https://openalex.org/W2071201575","https://openalex.org/W2083017379","https://openalex.org/W2100059775","https://openalex.org/W2102607787","https://openalex.org/W2120663660","https://openalex.org/W2126539437","https://openalex.org/W2127978399","https://openalex.org/W2129842875","https://openalex.org/W2147880316","https://openalex.org/W2150071643","https://openalex.org/W2160587453","https://openalex.org/W2161494021","https://openalex.org/W2167061159","https://openalex.org/W2167187514","https://openalex.org/W2247412337","https://openalex.org/W2251370197","https://openalex.org/W2251687716","https://openalex.org/W2271609058","https://openalex.org/W2341078838","https://openalex.org/W2400562290","https://openalex.org/W2471366537","https://openalex.org/W2531563875","https://openalex.org/W2544694413","https://openalex.org/W2556967238","https://openalex.org/W2607990281","https://openalex.org/W2610519360","https://openalex.org/W2612649659","https://openalex.org/W2618735189","https://openalex.org/W2723068199","https://openalex.org/W2733628661","https://openalex.org/W2757352629","https://openalex.org/W2771976988","https://openalex.org/W2911383552","https://openalex.org/W2912172494","https://openalex.org/W2912630759","https://openalex.org/W2917458986","https://openalex.org/W4211059094","https://openalex.org/W4211232687","https://openalex.org/W4211259197","https://openalex.org/W4230872509","https://openalex.org/W4247744661","https://openalex.org/W4255203228","https://openalex.org/W6664486431"],"related_works":["https://openalex.org/W2469016277","https://openalex.org/W2471366537","https://openalex.org/W2757101400","https://openalex.org/W27290116","https://openalex.org/W2369351710","https://openalex.org/W1587341848","https://openalex.org/W12196170","https://openalex.org/W98961640","https://openalex.org/W3011718088","https://openalex.org/W4283768689"],"abstract_inverted_index":{"Open":[0,18,72,103,122,151],"Information":[1],"Extraction":[2],"(Open":[3],"IE)":[4],"aims":[5],"to":[6,56,69,90,95,107],"obtain":[7],"not":[8,54,84,134],"predefined,":[9],"domain-independent":[10],"relations":[11,83,131],"from":[12,48],"text.":[13],"This":[14],"article":[15],"introduces":[16],"the":[17,24,30,49,159],"IE":[19,123,152],"research":[20],"field,":[21],"thoroughly":[22],"discussing":[23],"main":[25,36],"ideas":[26],"and":[27,38,92,105,115,139],"systems":[28],"in":[29],"area":[31],"as":[32,34],"well":[33],"its":[35,116],"challenges":[37],"open":[39,45],"issues.":[40],"The":[41,74,125,143],"paper":[42],"describes":[43],"an":[44,58,162],"extractor":[46,75,112,163],"elaborated":[47],"belief":[50],"that":[51,81,128,132],"it":[52],"is":[53,76,113,118],"necessary":[55],"have":[57],"enormous":[59],"list":[60],"of":[61,66,161],"patterns":[62,80],"or":[63],"several":[64],"types":[65],"linguistic":[67],"labels":[68],"better":[70],"perform":[71],"IE.":[73],"based":[77,154,164],"on":[78,155,165],"generic":[79],"identify":[82],"previously":[85],"specified,":[86],"including":[87],"rules":[88],"corresponding":[89],"Cimiano":[91],"Wenderoth":[93],"proposal":[94],"learn":[96],"Qualia":[97],"structure.":[98],"Named":[99],"LSOE":[100,129],"(Lexical-Syntactic":[101],"pattern-based":[102],"Extractor)":[104],"designed":[106],"validate":[108],"such":[109],"strategy,":[110],"this":[111],"presented":[114],"performance":[117],"compared":[119],"with":[120,148],"two":[121],"systems.":[124],"results":[126],"demonstrate":[127],"extracts":[130],"are":[133],"learned":[135],"by":[136],"other":[137],"extractors":[138],"achieves":[140],"compatible":[141],"precision.":[142],"work":[144],"reported":[145],"here":[146],"contributes":[147],"a":[149],"new":[150],"approach":[153],"pattern":[156],"matching,":[157],"demonstrating":[158],"feasibility":[160],"simple":[166],"lexical-syntactic":[167],"patterns.":[168]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}