{"id":"https://openalex.org/W2890754459","doi":"https://doi.org/10.3233/sw-180328","title":"QA 3 : A natural language approach to question answering over RDF data cubes","display_name":"QA 3 : A natural language approach to question answering over RDF data cubes","publication_year":2018,"publication_date":"2018-09-11","ids":{"openalex":"https://openalex.org/W2890754459","doi":"https://doi.org/10.3233/sw-180328","mag":"2890754459"},"language":"en","primary_location":{"id":"doi:10.3233/sw-180328","is_oa":true,"landing_page_url":"https://doi.org/10.3233/sw-180328","pdf_url":"https://content.iospress.com:443/download/semantic-web/sw328?id=semantic-web%2Fsw328","source":{"id":"https://openalex.org/S4210177235","display_name":"Semantic Web","issn_l":"1570-0844","issn":["1570-0844","2210-4968"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Semantic Web","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://content.iospress.com:443/download/semantic-web/sw328?id=semantic-web%2Fsw328","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088120071","display_name":"Maurizio Atzori","orcid":"https://orcid.org/0000-0001-6112-7310"},"institutions":[{"id":"https://openalex.org/I172446870","display_name":"University of Cagliari","ror":"https://ror.org/003109y17","country_code":"IT","type":"education","lineage":["https://openalex.org/I172446870"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Maurizio Atzori","raw_affiliation_strings":["Department of Maths and Computer Science, University of Cagliari, V. Ospedale 72, 09124 Cagliari, Italy. E-mail:\u00a0atzori@unica.it"],"affiliations":[{"raw_affiliation_string":"Department of Maths and Computer Science, University of Cagliari, V. Ospedale 72, 09124 Cagliari, Italy. E-mail:\u00a0atzori@unica.it","institution_ids":["https://openalex.org/I172446870"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035469601","display_name":"Giuseppe M. Mazzeo","orcid":"https://orcid.org/0000-0002-4357-259X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Giuseppe M. Mazzeo","raw_affiliation_strings":["Computer Science Department, UCLA, 3532D Boelter Hall Los Angeles, CA 90095-1596, CA, USA. E-mails:\u00a0mazzeo@cs.ucla.edu,\u00a0zaniolo@cs.ucla.edu"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, UCLA, 3532D Boelter Hall Los Angeles, CA 90095-1596, CA, USA. E-mails:\u00a0mazzeo@cs.ucla.edu,\u00a0zaniolo@cs.ucla.edu","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113467760","display_name":"Carlo Zaniolo","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Carlo Zaniolo","raw_affiliation_strings":["Computer Science Department, UCLA, 3532D Boelter Hall Los Angeles, CA 90095-1596, CA, USA. E-mails:\u00a0mazzeo@cs.ucla.edu,\u00a0zaniolo@cs.ucla.edu"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, UCLA, 3532D Boelter Hall Los Angeles, CA 90095-1596, CA, USA. E-mails:\u00a0mazzeo@cs.ucla.edu,\u00a0zaniolo@cs.ucla.edu","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5088120071"],"corresponding_institution_ids":["https://openalex.org/I172446870"],"apc_list":null,"apc_paid":null,"fwci":1.6288,"has_fulltext":true,"cited_by_count":13,"citation_normalized_percentile":{"value":0.87778621,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"10","issue":"3","first_page":"587","last_page":"604"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10181","display_name":"Natural Language Processing Techniques","score":1.0,"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":1.0,"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":0.9998000264167786,"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":0.9984999895095825,"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/sparql","display_name":"SPARQL","score":0.9389720559120178},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8374214172363281},{"id":"https://openalex.org/keywords/question-answering","display_name":"Question answering","score":0.776516318321228},{"id":"https://openalex.org/keywords/rdf","display_name":"RDF","score":0.6838441491127014},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5852731466293335},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5826517343521118},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.5622079372406006},{"id":"https://openalex.org/keywords/rdf-schema","display_name":"RDF Schema","score":0.556263267993927},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.48649829626083374},{"id":"https://openalex.org/keywords/natural-language","display_name":"Natural language","score":0.4783425033092499},{"id":"https://openalex.org/keywords/linked-data","display_name":"Linked data","score":0.4740438461303711},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.4640457034111023},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33829164505004883},{"id":"https://openalex.org/keywords/semantic-web","display_name":"Semantic Web","score":0.23166057467460632},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.188399076461792}],"concepts":[{"id":"https://openalex.org/C41009113","wikidata":"https://www.wikidata.org/wiki/Q54871","display_name":"SPARQL","level":4,"score":0.9389720559120178},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8374214172363281},{"id":"https://openalex.org/C44291984","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Question answering","level":2,"score":0.776516318321228},{"id":"https://openalex.org/C147497476","wikidata":"https://www.wikidata.org/wiki/Q54872","display_name":"RDF","level":3,"score":0.6838441491127014},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5852731466293335},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5826517343521118},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.5622079372406006},{"id":"https://openalex.org/C15657843","wikidata":"https://www.wikidata.org/wiki/Q1751819","display_name":"RDF Schema","level":5,"score":0.556263267993927},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.48649829626083374},{"id":"https://openalex.org/C195324797","wikidata":"https://www.wikidata.org/wiki/Q33742","display_name":"Natural language","level":2,"score":0.4783425033092499},{"id":"https://openalex.org/C69075417","wikidata":"https://www.wikidata.org/wiki/Q515701","display_name":"Linked data","level":3,"score":0.4740438461303711},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.4640457034111023},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33829164505004883},{"id":"https://openalex.org/C2129575","wikidata":"https://www.wikidata.org/wiki/Q54837","display_name":"Semantic Web","level":2,"score":0.23166057467460632},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.188399076461792},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3233/sw-180328","is_oa":true,"landing_page_url":"https://doi.org/10.3233/sw-180328","pdf_url":"https://content.iospress.com:443/download/semantic-web/sw328?id=semantic-web%2Fsw328","source":{"id":"https://openalex.org/S4210177235","display_name":"Semantic Web","issn_l":"1570-0844","issn":["1570-0844","2210-4968"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Semantic Web","raw_type":"journal-article"},{"id":"pmh:oai:iris.unica.it:11584/275304","is_oa":true,"landing_page_url":"http://hdl.handle.net/11584/275304","pdf_url":null,"source":{"id":"https://openalex.org/S4377196293","display_name":"UNICA IRIS Institutional Research Information System (University of Cagliari)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172446870","host_organization_name":"University of Cagliari","host_organization_lineage":["https://openalex.org/I172446870"],"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":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.3233/sw-180328","is_oa":true,"landing_page_url":"https://doi.org/10.3233/sw-180328","pdf_url":"https://content.iospress.com:443/download/semantic-web/sw328?id=semantic-web%2Fsw328","source":{"id":"https://openalex.org/S4210177235","display_name":"Semantic Web","issn_l":"1570-0844","issn":["1570-0844","2210-4968"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Semantic Web","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2890754459.pdf","grobid_xml":"https://content.openalex.org/works/W2890754459.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W103634997","https://openalex.org/W560144434","https://openalex.org/W630815720","https://openalex.org/W931513770","https://openalex.org/W1440584183","https://openalex.org/W1785350809","https://openalex.org/W1810053267","https://openalex.org/W1966839689","https://openalex.org/W1974505970","https://openalex.org/W1990119545","https://openalex.org/W1996672241","https://openalex.org/W2031046392","https://openalex.org/W2097606805","https://openalex.org/W2113596997","https://openalex.org/W2517489125","https://openalex.org/W2522757338","https://openalex.org/W2529383646","https://openalex.org/W2532938041","https://openalex.org/W2560465250","https://openalex.org/W2575695977","https://openalex.org/W2750927115","https://openalex.org/W2764017292","https://openalex.org/W2766513516","https://openalex.org/W2891026113","https://openalex.org/W6732336037"],"related_works":["https://openalex.org/W4206665951","https://openalex.org/W2079781157","https://openalex.org/W2615202182","https://openalex.org/W2563388676","https://openalex.org/W199330785","https://openalex.org/W3150241097","https://openalex.org/W2767591199","https://openalex.org/W4322622679","https://openalex.org/W4388184885","https://openalex.org/W2770351630"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3],"present":[4],"QA3,":[5],"a":[6,39,54,104,113,121],"question":[7,151],"answering":[8,152],"(QA)":[9],"system":[10,16],"over":[11,153],"RDF":[12],"data":[13,35,154],"cubes.":[14,155],"The":[15,73],"first":[17],"tags":[18],"chunks":[19],"of":[20,24,34,48,70,83,93,107,115,126,130,134,138,145],"text":[21],"with":[22,50,63],"elements":[23],"the":[25,31,43,51,68,71,94,98,127,131,135,143,146],"knowledge":[26],"base,":[27],"and":[28,90,111],"then":[29],"leverages":[30],"well-defined":[32],"structure":[33,53],"cubes":[36],"to":[37,59,124],"create":[38],"SPARQL":[40,55,64],"query":[41],"from":[42,97],"tags.":[44],"For":[45],"each":[46],"class":[47],"questions":[49,129],"same":[52],"template":[56,75],"is":[57,76],"defined,":[58],"be":[60],"filled":[61],"in":[62,148],"fragments":[65],"obtained":[66,102],"by":[67,78],"interpretation":[69],"question.":[72,99],"correct":[74,122],"chosen":[77],"using":[79,103],"an":[80],"original":[81],"set":[82,106,133],"regex-like":[84],"patterns,":[85],"based":[86],"on":[87],"both":[88],"syntactical":[89],"semantic":[91],"features":[92],"tokens":[95],"extracted":[96],"Preliminary":[100],"results":[101],"limited":[105],"templates":[108],"are":[109],"encouraging":[110],"suggest":[112],"number":[114],"improvements.":[116],"QA3":[117],"can":[118],"currently":[119],"provide":[120],"answer":[123],"27":[125],"50":[128],"test":[132],"task":[136],"3":[137],"QALD-6":[139],"challenge,":[140],"remarkably":[141],"improving":[142],"state":[144],"art":[147],"natural":[149],"language":[150]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2018-09-27T00:00:00"}
