{"id":"https://openalex.org/W2007469869","doi":"https://doi.org/10.1109/icassp.2008.4518801","title":"An unsupervised web-based topic language model adaptation method","display_name":"An unsupervised web-based topic language model adaptation method","publication_year":2008,"publication_date":"2008-03-01","ids":{"openalex":"https://openalex.org/W2007469869","doi":"https://doi.org/10.1109/icassp.2008.4518801","mag":"2007469869"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2008.4518801","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2008.4518801","pdf_url":null,"source":{"id":"https://openalex.org/S4210167542","display_name":"Proceedings of the ... IEEE International Conference on Acoustics, Speech, and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5002469975","display_name":"Gw\u00e9nol\u00e9 Lecorv\u00e9","orcid":"https://orcid.org/0000-0002-4271-2087"},"institutions":[{"id":"https://openalex.org/I2802519937","display_name":"Institut de Recherche en Informatique et Syst\u00e8mes Al\u00e9atoires","ror":"https://ror.org/00myn0z94","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1326498283","https://openalex.org/I205703379","https://openalex.org/I2802204017","https://openalex.org/I2802519937","https://openalex.org/I28221208","https://openalex.org/I4210127572","https://openalex.org/I4210159245","https://openalex.org/I56067802"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Gwenole Lecorve","raw_affiliation_strings":["IRISA, Rennes"],"affiliations":[{"raw_affiliation_string":"IRISA, Rennes","institution_ids":["https://openalex.org/I2802519937"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008190208","display_name":"Guillaume Gravier","orcid":"https://orcid.org/0000-0002-2266-5682"},"institutions":[{"id":"https://openalex.org/I2802519937","display_name":"Institut de Recherche en Informatique et Syst\u00e8mes Al\u00e9atoires","ror":"https://ror.org/00myn0z94","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1326498283","https://openalex.org/I205703379","https://openalex.org/I2802204017","https://openalex.org/I2802519937","https://openalex.org/I28221208","https://openalex.org/I4210127572","https://openalex.org/I4210159245","https://openalex.org/I56067802"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Guillaume Gravier","raw_affiliation_strings":["IRISA, Rennes"],"affiliations":[{"raw_affiliation_string":"IRISA, Rennes","institution_ids":["https://openalex.org/I2802519937"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005508604","display_name":"Pascale S\u00e9billot","orcid":"https://orcid.org/0000-0002-5429-4302"},"institutions":[{"id":"https://openalex.org/I2802519937","display_name":"Institut de Recherche en Informatique et Syst\u00e8mes Al\u00e9atoires","ror":"https://ror.org/00myn0z94","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1326498283","https://openalex.org/I205703379","https://openalex.org/I2802204017","https://openalex.org/I2802519937","https://openalex.org/I28221208","https://openalex.org/I4210127572","https://openalex.org/I4210159245","https://openalex.org/I56067802"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Pascale Sebillot","raw_affiliation_strings":["IRISA, Rennes"],"affiliations":[{"raw_affiliation_string":"IRISA, Rennes","institution_ids":["https://openalex.org/I2802519937"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5002469975"],"corresponding_institution_ids":["https://openalex.org/I2802519937"],"apc_list":null,"apc_paid":null,"fwci":2.709,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.88932981,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"5081","last_page":"5084"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9995999932289124,"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9948999881744385,"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/perplexity","display_name":"Perplexity","score":0.9293801188468933},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8727291822433472},{"id":"https://openalex.org/keywords/adaptation","display_name":"Adaptation (eye)","score":0.810753583908081},{"id":"https://openalex.org/keywords/language-model","display_name":"Language model","score":0.6753253936767578},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5847992300987244},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.5780962705612183},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.5536026358604431},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.5504039525985718},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3725295066833496},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.1250888705253601},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.07285362482070923}],"concepts":[{"id":"https://openalex.org/C100279451","wikidata":"https://www.wikidata.org/wiki/Q372193","display_name":"Perplexity","level":3,"score":0.9293801188468933},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8727291822433472},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.810753583908081},{"id":"https://openalex.org/C137293760","wikidata":"https://www.wikidata.org/wiki/Q3621696","display_name":"Language model","level":2,"score":0.6753253936767578},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5847992300987244},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.5780962705612183},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.5536026358604431},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.5504039525985718},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3725295066833496},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.1250888705253601},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.07285362482070923},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2008.4518801","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2008.4518801","pdf_url":null,"source":{"id":"https://openalex.org/S4210167542","display_name":"Proceedings of the ... IEEE International Conference on Acoustics, Speech, and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.412.3591","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.412.3591","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.irisa.fr/metiss/gravier/biblio/08/lecrove-icassp-08.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education","score":0.7900000214576721}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W3090633","https://openalex.org/W92576643","https://openalex.org/W140816929","https://openalex.org/W161909597","https://openalex.org/W1550982044","https://openalex.org/W1926502259","https://openalex.org/W1988596541","https://openalex.org/W2157143168","https://openalex.org/W4324017405","https://openalex.org/W6600117317","https://openalex.org/W6603711332","https://openalex.org/W6610915986","https://openalex.org/W6682982764"],"related_works":["https://openalex.org/W2169518243","https://openalex.org/W2252095989","https://openalex.org/W4322096525","https://openalex.org/W2551914602","https://openalex.org/W4281893144","https://openalex.org/W4287323699","https://openalex.org/W2105076537","https://openalex.org/W2084531783","https://openalex.org/W2902731467","https://openalex.org/W2787311093"],"abstract_inverted_index":{"This":[0],"paper":[1],"focuses":[2],"on":[3,18],"a":[4,34,53,86,106],"solution":[5],"to":[6,21,51,105],"better":[7],"adapt":[8],"ASR":[9],"systems,":[10],"whose":[11],"language":[12],"models":[13],"(LM)":[14],"are":[15,98],"usually":[16],"trained":[17],"topic-independent":[19],"corpora,":[20],"new":[22,35],"topics,":[23],"in":[24,26,101],"particular":[25],"the":[27,59,65,78,81,90],"case":[28],"of":[29,80,89],"broadcast":[30],"news.":[31],"We":[32],"propose":[33],"complete":[36],"and":[37],"fully":[38],"unsupervised":[39],"technique":[40,84],"that":[41],"selects":[42],"keywords":[43],"from":[44,58],"each":[45],"segment":[46],"using":[47],"information":[48],"retrieval":[49],"methods,":[50],"build":[52],"thematically":[54],"coherent":[55],"adaptation":[56,83],"corpus":[57],"Internet.":[60],"The":[61],"LM":[62,93],"used":[63],"for":[64],"initial":[66],"transcription":[67],"is":[68],"then":[69],"adapted":[70],"before":[71],"rescoring":[72],"word":[73],"lattices.":[74],"Experimental":[75],"results":[76],"demonstrate":[77],"validity":[79],"proposed":[82],"with":[85],"significant":[87],"reduction":[88],"perplexity":[91],"after":[92],"adaptation.":[94],"Word":[95],"error":[96],"rates":[97],"also":[99],"improved":[100],"some":[102],"cases":[103],"though":[104],"lesser":[107],"extent.":[108],"Index":[109],"Terms":[110],"\u2014":[111],"Speech":[112],"recognition,":[113],"natural":[114],"languages,":[115],"Internet":[116],"1.":[117]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
