{"id":"https://openalex.org/W2162586529","doi":"https://doi.org/10.3115/1073083.1073154","title":"Is it the right answer?","display_name":"Is it the right answer?","publication_year":2001,"publication_date":"2001-01-01","ids":{"openalex":"https://openalex.org/W2162586529","doi":"https://doi.org/10.3115/1073083.1073154","mag":"2162586529"},"language":"en","primary_location":{"id":"doi:10.3115/1073083.1073154","is_oa":true,"landing_page_url":"https://doi.org/10.3115/1073083.1073154","pdf_url":"https://dl.acm.org/doi/pdf/10.3115/1073083.1073154","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 40th Annual Meeting on Association for Computational Linguistics - ACL '02","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.3115/1073083.1073154","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5066077296","display_name":"Bernardo Magnini","orcid":"https://orcid.org/0000-0002-0740-5778"},"institutions":[{"id":"https://openalex.org/I4210097842","display_name":"Istituto Centrale per la Ricerca Scientifica e Tecnologica Applicata al Mare","ror":"https://ror.org/014cycx13","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210097842"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Bernardo Magnini","raw_affiliation_strings":["ITC-Irst, Centro per la Ricerca Scientifica e Tecnologica"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ITC-Irst, Centro per la Ricerca Scientifica e Tecnologica","institution_ids":["https://openalex.org/I4210097842"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015363344","display_name":"Matteo Negri","orcid":"https://orcid.org/0000-0002-8811-4330"},"institutions":[{"id":"https://openalex.org/I4210097842","display_name":"Istituto Centrale per la Ricerca Scientifica e Tecnologica Applicata al Mare","ror":"https://ror.org/014cycx13","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210097842"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Matteo Negri","raw_affiliation_strings":["ITC-Irst, Centro per la Ricerca Scientifica e Tecnologica"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ITC-Irst, Centro per la Ricerca Scientifica e Tecnologica","institution_ids":["https://openalex.org/I4210097842"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059881379","display_name":"Roberto Prevete","orcid":"https://orcid.org/0000-0002-3804-1719"},"institutions":[{"id":"https://openalex.org/I4210097842","display_name":"Istituto Centrale per la Ricerca Scientifica e Tecnologica Applicata al Mare","ror":"https://ror.org/014cycx13","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210097842"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Roberto Prevete","raw_affiliation_strings":["ITC-Irst, Centro per la Ricerca Scientifica e Tecnologica"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ITC-Irst, Centro per la Ricerca Scientifica e Tecnologica","institution_ids":["https://openalex.org/I4210097842"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014266613","display_name":"Hristo Tanev","orcid":null},"institutions":[{"id":"https://openalex.org/I4210097842","display_name":"Istituto Centrale per la Ricerca Scientifica e Tecnologica Applicata al Mare","ror":"https://ror.org/014cycx13","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210097842"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Hristo Tanev","raw_affiliation_strings":["ITC-Irst, Centro per la Ricerca Scientifica e Tecnologica"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ITC-Irst, Centro per la Ricerca Scientifica e Tecnologica","institution_ids":["https://openalex.org/I4210097842"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210097842"],"apc_list":null,"apc_paid":null,"fwci":6.7681,"has_fulltext":true,"cited_by_count":168,"citation_normalized_percentile":{"value":0.97575758,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"425","last_page":"425"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T10181","display_name":"Natural Language Processing Techniques","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"}},{"id":"https://openalex.org/T13083","display_name":"Advanced Text Analysis Techniques","score":0.9836999773979187,"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/question-answering","display_name":"Question answering","score":0.8704589605331421},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7998735904693604},{"id":"https://openalex.org/keywords/intuition","display_name":"Intuition","score":0.7623198628425598},{"id":"https://openalex.org/keywords/open-domain","display_name":"Open domain","score":0.7121684551239014},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5911024212837219},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.5888579487800598},{"id":"https://openalex.org/keywords/mean-reciprocal-rank","display_name":"Mean reciprocal rank","score":0.4723525941371918},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.43320998549461365},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.093289315700531}],"concepts":[{"id":"https://openalex.org/C44291984","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Question answering","level":2,"score":0.8704589605331421},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7998735904693604},{"id":"https://openalex.org/C132010649","wikidata":"https://www.wikidata.org/wiki/Q189222","display_name":"Intuition","level":2,"score":0.7623198628425598},{"id":"https://openalex.org/C2993776861","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Open domain","level":3,"score":0.7121684551239014},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5911024212837219},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.5888579487800598},{"id":"https://openalex.org/C44083865","wikidata":"https://www.wikidata.org/wiki/Q3853443","display_name":"Mean reciprocal rank","level":2,"score":0.4723525941371918},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.43320998549461365},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.093289315700531},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3115/1073083.1073154","is_oa":true,"landing_page_url":"https://doi.org/10.3115/1073083.1073154","pdf_url":"https://dl.acm.org/doi/pdf/10.3115/1073083.1073154","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 40th Annual Meeting on Association for Computational Linguistics - ACL '02","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.3115/1073083.1073154","is_oa":true,"landing_page_url":"https://doi.org/10.3115/1073083.1073154","pdf_url":"https://dl.acm.org/doi/pdf/10.3115/1073083.1073154","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 40th Annual Meeting on Association for Computational Linguistics - ACL '02","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2162586529.pdf","grobid_xml":"https://content.openalex.org/works/W2162586529.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W174230968","https://openalex.org/W205758020","https://openalex.org/W1506013151","https://openalex.org/W1549113740","https://openalex.org/W1567365482","https://openalex.org/W1574901103","https://openalex.org/W1590894141","https://openalex.org/W2038721957","https://openalex.org/W2116780029","https://openalex.org/W2136309948","https://openalex.org/W2138212602","https://openalex.org/W2141808075","https://openalex.org/W2152463344","https://openalex.org/W4250902312"],"related_works":["https://openalex.org/W3130378938","https://openalex.org/W2391533720","https://openalex.org/W2969318268","https://openalex.org/W2951097643","https://openalex.org/W1575184037","https://openalex.org/W4309395021","https://openalex.org/W3091989500","https://openalex.org/W3215363805","https://openalex.org/W1569284118","https://openalex.org/W2782426879"],"abstract_inverted_index":{"Answer":[0],"Validation":[1],"is":[2],"an":[3,43],"emerging":[4],"topic":[5],"in":[6,98],"Question":[7,99],"Answering,":[8],"where":[9],"open":[10],"domain":[11],"systems":[12],"are":[13],"often":[14],"required":[15],"to":[16,28,45,92],"rank":[17],"huge":[18],"amounts":[19],"of":[20,38,56,75,86],"candidate":[21],"answers.":[22],"We":[23],"present":[24],"a":[25,46,72,96],"novel":[26],"approach":[27,70,88],"answer":[29,44],"validation":[30],"based":[31],"on":[32,62],"the":[33,36,54,63,69,84],"intuition":[34],"that":[35,68],"amount":[37],"implicit":[39],"knowledge":[40],"which":[41],"connects":[42],"question":[47],"can":[48],"be":[49,93],"quantitatively":[50],"estimated":[51],"by":[52],"exploiting":[53],"redundancy":[55],"Web":[57],"information.":[58],"Experiments":[59],"carried":[60],"out":[61],"TREC-2001":[64],"judged-answer":[65],"collection":[66],"show":[67],"achieves":[71],"high":[73],"level":[74],"performance":[76],"(i.e.":[77],"81%":[78],"success":[79],"rate).":[80],"The":[81],"simplicity":[82],"and":[83],"efficiency":[85],"this":[87],"make":[89],"it":[90],"suitable":[91],"used":[94],"as":[95],"module":[97],"Answering":[100],"systems.":[101]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":15}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
