{"id":"https://openalex.org/W1986671983","doi":"https://doi.org/10.3115/1118894.1118898","title":"PLASER","display_name":"PLASER","publication_year":2003,"publication_date":"2003-01-01","ids":{"openalex":"https://openalex.org/W1986671983","doi":"https://doi.org/10.3115/1118894.1118898","mag":"1986671983"},"language":"en","primary_location":{"id":"doi:10.3115/1118894.1118898","doi":"https://doi.org/10.3115/1118894.1118898","is_oa":true,"landing_page_url":"https://doi.org/10.3115/1118894.1118898","pdf_url":"https://dl.acm.org/doi/pdf/10.3115/1118894.1118898","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the HLT-NAACL 03 workshop on Building educational applications using natural language processing -","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.3115/1118894.1118898","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059141717","display_name":"Brian Kan-Wing Mak","orcid":"https://orcid.org/0000-0001-6787-5555","observed_orcids":["https://orcid.org/0000-0001-6787-5555"]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Brian Mak","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jimmy Wong","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jimmy Wong","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103410008","display_name":"Jacqueline Lo","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jacqueline Lo","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067041166","display_name":"Man-Hung Siu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Manhung Siu","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100834981","display_name":"Mimi Ng","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Mimi Ng","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yik-Cheung Tam","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yik-Cheung Tam","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014568374","display_name":"Yu-Chung Chan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yu-Chung Chan","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060619843","display_name":"Kin-Wah Chan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Kin-Wah Chan","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109055294","display_name":"Ka-Yee Leung","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ka-Yee Leung","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111906776","display_name":"Simon Ho","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Simon Ho","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045472326","display_name":"Fong-Ho Chong","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Fong-Ho Chong","raw_affiliation_strings":["Hong Kong University of Science and Technology","Hong Kong University of Science & Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I200769079"],"apc_list":null,"apc_paid":null,"fwci":7.073,"has_fulltext":true,"cited_by_count":69,"citation_normalized_percentile":{"value":0.97344229,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"2","issue":null,"first_page":"23","last_page":"29"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10403","display_name":"Phonetics and Phonology Research","score":0.40549999475479126,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10403","display_name":"Phonetics and Phonology Research","score":0.40549999475479126,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10201","display_name":"Speech Recognition and Synthesis","score":0.26759999990463257,"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/T14516","display_name":"English Language Learning and Teaching","score":0.1177000030875206,"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/english-pronunciation-teaching","display_name":"English pronunciation teaching","score":0.7649999856948853},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"speech recognition","score":0.6669999957084656},{"id":"https://openalex.org/keywords/hidden-markov-models","display_name":"hidden Markov models","score":0.9570000171661377},{"id":"https://openalex.org/keywords/foreign-accent","display_name":"foreign accent","score":0.6050000190734863},{"id":"https://openalex.org/keywords/error-visualization","display_name":"error visualization","score":0.7730000019073486},{"id":"https://openalex.org/keywords/secondary-school-students","display_name":"high school students","score":0.6460000276565552},{"id":"https://openalex.org/keywords/timit-corpus","display_name":"TIMIT corpus","score":0.746999979019165},{"id":"https://openalex.org/keywords/multimedia-in-language-teaching","display_name":"multimedia in language teaching","score":0.4650000035762787},{"id":"https://openalex.org/keywords/hong-kong","display_name":"Hong Kong","score":0.5139999985694885}],"concepts":[{"id":"https://openalex.org/C2780844864","wikidata":"https://www.wikidata.org/wiki/Q184377","display_name":"Pronunciation","level":2,"score":0.9278876781463623},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7337334156036377},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6270452737808228},{"id":"https://openalex.org/C2779581591","wikidata":"https://www.wikidata.org/wiki/Q36244","display_name":"Vowel","level":2,"score":0.5379593372344971},{"id":"https://openalex.org/C2776756274","wikidata":"https://www.wikidata.org/wiki/Q181767","display_name":"Stress (linguistics)","level":2,"score":0.48115336894989014},{"id":"https://openalex.org/C2778203577","wikidata":"https://www.wikidata.org/wiki/Q38035","display_name":"Consonant","level":3,"score":0.47631630301475525},{"id":"https://openalex.org/C2778724510","wikidata":"https://www.wikidata.org/wiki/Q7670405","display_name":"TIMIT","level":3,"score":0.45337411761283875},{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.44860342144966125},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.44793426990509033},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.44546568393707275},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.3663375675678253},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.2088046371936798},{"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:10.3115/1118894.1118898","doi":"https://doi.org/10.3115/1118894.1118898","is_oa":true,"landing_page_url":"https://doi.org/10.3115/1118894.1118898","pdf_url":"https://dl.acm.org/doi/pdf/10.3115/1118894.1118898","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the HLT-NAACL 03 workshop on Building educational applications using natural language processing -","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.3115/1118894.1118898","doi":"https://doi.org/10.3115/1118894.1118898","is_oa":true,"landing_page_url":"https://doi.org/10.3115/1118894.1118898","pdf_url":"https://dl.acm.org/doi/pdf/10.3115/1118894.1118898","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the HLT-NAACL 03 workshop on Building educational applications using natural language processing -","raw_type":"proceedings-article"},"sustainable_development_goals":[{"display_name":"Quality education","id":"https://metadata.un.org/sdg/4","score":0.8278999924659729}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1986671983.pdf","grobid_xml":"https://content.openalex.org/works/W1986671983.grobid-xml"},"referenced_works_count":13,"referenced_works":["https://openalex.org/W1608601589","https://openalex.org/W2003980660","https://openalex.org/W2045036776","https://openalex.org/W2063541597","https://openalex.org/W2070133242","https://openalex.org/W2082474452","https://openalex.org/W2087459182","https://openalex.org/W2091359957","https://openalex.org/W2115678687","https://openalex.org/W2120316500","https://openalex.org/W2128653836","https://openalex.org/W2139008940","https://openalex.org/W2146871184"],"related_works":["https://openalex.org/W7095167431","https://openalex.org/W7222737243","https://openalex.org/W2091675326","https://openalex.org/W2535696615","https://openalex.org/W4361732763","https://openalex.org/W2339815928","https://openalex.org/W1950235975","https://openalex.org/W2140021195","https://openalex.org/W4391677514","https://openalex.org/W2082142181"],"abstract_inverted_index":{"PLASER":[0,110,142,169],"is":[1,22,27,204],"a":[2,36,83,112,133,154],"multimedia":[3],"tool":[4],"with":[5,82],"instant":[6],"feedback":[7],"designed":[8],"to":[9,28,34,44,65,137,174],"teach":[10,29],"English":[11,68,78,92,172],"pronunciation":[12,31,39,140,178,198],"for":[13,50,115],"high-school":[14],"students":[15,147,163,193],"of":[16,59,85,98,118,148,156,161],"Hong":[17],"Kong":[18],"whose":[19],"mother":[20],"tongue":[21],"Cantonese":[23],"Chinese.":[24],"The":[25,189],"objective":[26],"correct":[30],"and":[32,54,57,103,122,151,184],"not":[33],"assess":[35],"student's":[37],"overall":[38],"quality.":[40],"Major":[41],"challenges":[42],"related":[43],"speech":[45],"recognition":[46],"technology":[47],"include:":[48],"allowance":[49],"non-native":[51],"accent,":[52],"reliable":[53],"corrective":[55],"feedbacks,":[56],"visualization":[58],"errors.PLASER":[60],"employs":[61],"hidden":[62],"Markov":[63],"models":[64],"represent":[66],"position-dependent":[67],"phonemes.":[69],"They":[70],"are":[71,95],"discriminatively":[72],"trained":[73],"using":[74,132,168],"the":[75,107,119,130,162,196,207],"standard":[76],"American":[77],"TIMIT":[79,86],"corpus":[80],"together":[81],"set":[84],"utterances":[87],"collected":[88],"from":[89,191],"\"good\"":[90],"local":[91],"speakers.":[93],"There":[94],"two":[96],"kinds":[97],"speaking":[99],"exercises:":[100],"minimal-pair":[101],"exercises":[102],"word":[104,108,131],"exercises.":[105],"In":[106],"exercises,":[109],"computes":[111],"confidence-based":[113],"score":[114],"each":[116,124],"phoneme":[117],"given":[120],"word,":[121],"paints":[123],"vowel":[125],"or":[126],"consonant":[127],"segment":[128],"in":[129],"novel":[134],"3-color":[135],"scheme":[136],"indicate":[138],"their":[139],"accuracy.":[141],"was":[143,180,200],"used":[144,187],"by":[145],"900":[146],"grade":[149],"7":[150],"8":[152],"over":[153,170],"period":[155],"2--3":[157],"months.":[158],"About":[159],"80%":[160],"said":[164],"that":[165,195],"they":[166,186],"preferred":[167],"traditional":[171],"classes":[173],"learn":[175],"pronunciation.":[176],"A":[177],"test":[179],"also":[181],"conducted":[182],"before":[183],"after":[185],"PLASER.":[188],"result":[190],"210":[192],"shows":[194],"students'":[197],"skill":[199],"improved.":[201],"(The":[202],"statistics":[203],"significant":[205],"at":[206],"99%":[208],"confidence":[209],"level.)":[210]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":6}],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2016-06-24T00:00:00"}