{"id":"https://openalex.org/W2529808531","doi":"https://doi.org/10.13053/cys-20-3-2470","title":"Question Answering Passage Retrieval and Re-ranking Using N-grams and SVM","display_name":"Question Answering Passage Retrieval and Re-ranking Using N-grams and SVM","publication_year":2016,"publication_date":"2016-09-30","ids":{"openalex":"https://openalex.org/W2529808531","doi":"https://doi.org/10.13053/cys-20-3-2470","mag":"2529808531"},"language":"en","primary_location":{"id":"doi:10.13053/cys-20-3-2470","is_oa":false,"landing_page_url":"https://doi.org/10.13053/cys-20-3-2470","pdf_url":null,"source":{"id":"https://openalex.org/S61446325","display_name":"Computaci\u00f3n y Sistemas","issn_l":"1405-5546","issn":["1405-5546","2007-9737"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319599","host_organization_name":"National Polytechnic Institute","host_organization_lineage":["https://openalex.org/P4310319599"],"host_organization_lineage_names":["National Polytechnic Institute"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computaci\u00f3n y Sistemas","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.redalyc.org/pdf/615/61547469017.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061115999","display_name":"Nouha Othman","orcid":null},"institutions":[{"id":"https://openalex.org/I108714496","display_name":"Tunis University","ror":"https://ror.org/02q1spa57","country_code":"TN","type":"education","lineage":["https://openalex.org/I108714496"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Nouha Othman","raw_affiliation_strings":["Universit\u00e9 de Tunis Tunisia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Tunis Tunisia","institution_ids":["https://openalex.org/I108714496"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075647751","display_name":"Rim Fa\u00efz","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rim Faiz","raw_affiliation_strings":[", , , , Universit\u00e9 de Carthage, , Tunisia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":", , , , Universit\u00e9 de Carthage, , Tunisia","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.06634612,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"20","issue":"3","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.9988999962806702,"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/T10028","display_name":"Topic Modeling","score":0.9988999962806702,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.9864000082015991,"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/T10679","display_name":"Service-Oriented Architecture and Web Services","score":0.968500018119812,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/clef","display_name":"Clef","score":0.8137732744216919},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8092569708824158},{"id":"https://openalex.org/keywords/ranking","display_name":"Ranking (information retrieval)","score":0.7700614333152771},{"id":"https://openalex.org/keywords/question-answering","display_name":"Question answering","score":0.7540024518966675},{"id":"https://openalex.org/keywords/relevance","display_name":"Relevance (law)","score":0.6612458229064941},{"id":"https://openalex.org/keywords/dependency","display_name":"Dependency (UML)","score":0.6366097331047058},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.6235434412956238},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.610744833946228},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5638899803161621},{"id":"https://openalex.org/keywords/ranking-svm","display_name":"Ranking SVM","score":0.5488874316215515},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.5382722020149231},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.510284423828125},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.4609670341014862},{"id":"https://openalex.org/keywords/core","display_name":"Core (optical fiber)","score":0.4330945312976837}],"concepts":[{"id":"https://openalex.org/C107763842","wikidata":"https://www.wikidata.org/wiki/Q181040","display_name":"Clef","level":3,"score":0.8137732744216919},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8092569708824158},{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.7700614333152771},{"id":"https://openalex.org/C44291984","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Question answering","level":2,"score":0.7540024518966675},{"id":"https://openalex.org/C158154518","wikidata":"https://www.wikidata.org/wiki/Q7310970","display_name":"Relevance (law)","level":2,"score":0.6612458229064941},{"id":"https://openalex.org/C19768560","wikidata":"https://www.wikidata.org/wiki/Q320727","display_name":"Dependency (UML)","level":2,"score":0.6366097331047058},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.6235434412956238},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.610744833946228},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5638899803161621},{"id":"https://openalex.org/C124975894","wikidata":"https://www.wikidata.org/wiki/Q7293290","display_name":"Ranking SVM","level":3,"score":0.5488874316215515},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.5382722020149231},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.510284423828125},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.4609670341014862},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.4330945312976837},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.13053/cys-20-3-2470","is_oa":false,"landing_page_url":"https://doi.org/10.13053/cys-20-3-2470","pdf_url":null,"source":{"id":"https://openalex.org/S61446325","display_name":"Computaci\u00f3n y Sistemas","issn_l":"1405-5546","issn":["1405-5546","2007-9737"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319599","host_organization_name":"National Polytechnic Institute","host_organization_lineage":["https://openalex.org/P4310319599"],"host_organization_lineage_names":["National Polytechnic Institute"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computaci\u00f3n y Sistemas","raw_type":"journal-article"},{"id":"pmh:oai:redalyc.org:61547469017","is_oa":true,"landing_page_url":"https://www.redalyc.org/articulo.oa?id=61547469017","pdf_url":"https://www.redalyc.org/pdf/615/61547469017.pdf","source":{"id":"https://openalex.org/S4377196100","display_name":"Redalyc (Universidad Aut\u00f3noma del Estado de M\u00e9xico)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I179647637","host_organization_name":"Universidad Aut\u00f3noma del Estado de M\u00e9xico","host_organization_lineage":["https://openalex.org/I179647637"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Computaci\u00f3n y Sistemas (M\u00e9xico) Num.3 Vol.20","raw_type":"art\u00edculo cient\u00edfico"}],"best_oa_location":{"id":"pmh:oai:redalyc.org:61547469017","is_oa":true,"landing_page_url":"https://www.redalyc.org/articulo.oa?id=61547469017","pdf_url":"https://www.redalyc.org/pdf/615/61547469017.pdf","source":{"id":"https://openalex.org/S4377196100","display_name":"Redalyc (Universidad Aut\u00f3noma del Estado de M\u00e9xico)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I179647637","host_organization_name":"Universidad Aut\u00f3noma del Estado de M\u00e9xico","host_organization_lineage":["https://openalex.org/I179647637"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Computaci\u00f3n y Sistemas (M\u00e9xico) Num.3 Vol.20","raw_type":"art\u00edculo cient\u00edfico"},"sustainable_development_goals":[{"score":0.5899999737739563,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2529808531.pdf","grobid_xml":"https://content.openalex.org/works/W2529808531.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1809817947","https://openalex.org/W182025740","https://openalex.org/W118585533","https://openalex.org/W2149348622","https://openalex.org/W2168375594","https://openalex.org/W151642146","https://openalex.org/W2396044781","https://openalex.org/W1989894969","https://openalex.org/W2315491162","https://openalex.org/W2562198007"],"abstract_inverted_index":{"Over":[0],"the":[1,6,64,71,105,112,115,144,148,153],"last":[2],"few":[3],"decades,":[4],"with":[5,143],"meteoric":[7],"rise":[8],"of":[9,41,66,73,108,111,150,162],"Information":[10],"Technology,":[11],"Question":[12],"Answering":[13],"(QA)":[14],"has":[15,20],"attracted":[16],"more":[17],"attention":[18],"and":[19,77,88,94,136],"been":[21],"extremely":[22],"explored.":[23],"Indeed,":[24],"several":[25],"QA":[26],"systems":[27],"are":[28,44],"based":[29,91,124],"on":[30,92,104],"a":[31,39,49,53,83],"passage":[32,116,130],"retrieval":[33],"engine":[34],"which":[35],"aims":[36],"to":[37,47,52,62,101,117,128],"deliver":[38],"set":[40],"passages":[42,90],"that":[43,161],"most":[45],"likely":[46],"contain":[48],"relevant":[50],"response":[51],"question":[54],"stated":[55],"in":[56,114],"natural":[57],"language.":[58],"In":[59],"an":[60,122],"attempt":[61],"enhance":[63],"performance":[65],"existing":[67],"QASs":[68],"by":[69,156],"increasing":[70],"number":[72],"generated":[74],"correct":[75,119],"answers":[76],"ensure":[78],"their":[79],"relevance,":[80],"we":[81],"propose":[82],"novel":[84],"approach":[85],"for":[86],"retrieving":[87],"re-ranking":[89],"n-grams":[93],"SVM":[95,123],"models.":[96],"The":[97],"core":[98],"principle":[99],"is":[100,126],"first":[102],"rely":[103],"dependency":[106],"degree":[107],"n-gram":[109],"words":[110],"query":[113],"retrieve":[118],"passages.":[120],"Then,":[121],"model":[125],"used":[127],"improve":[129],"ranking":[131],"incorporating":[132],"various":[133],"lexical,":[134],"syntactic":[135],"semantic":[137],"similarity":[138],"measures.":[139],"Emperical":[140],"evaluation":[141],"performed":[142],"CLEF":[145],"dataset":[146],"demonstrates":[147],"merits":[149],"our":[151,157],"approach:":[152],"results":[154],"obtained":[155],"implemented":[158],"system":[159],"transcend":[160],"other":[163],"previously":[164],"proposed":[165],"ones.":[166]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
