{"id":"https://openalex.org/W2269165052","doi":"https://doi.org/10.1145/2818711","title":"Opinion Question Answering by Sentiment Clip Localization","display_name":"Opinion Question Answering by Sentiment Clip Localization","publication_year":2015,"publication_date":"2015-11-02","ids":{"openalex":"https://openalex.org/W2269165052","doi":"https://doi.org/10.1145/2818711","mag":"2269165052"},"language":"en","primary_location":{"id":"doi:10.1145/2818711","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2818711","pdf_url":null,"source":{"id":"https://openalex.org/S19610489","display_name":"ACM Transactions on Multimedia Computing Communications and Applications","issn_l":"1551-6857","issn":["1551-6857","1551-6865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, and Applications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://ink.library.smu.edu.sg/cgi/viewcontent.cgi?article=7362&context=sis_research","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101503112","display_name":"Lei Pang","orcid":"https://orcid.org/0000-0003-1738-3143"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lei Pang","raw_affiliation_strings":["City University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010722442","display_name":"Chong\u2010Wah Ngo","orcid":"https://orcid.org/0000-0003-4182-8261"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Chong-Wah Ngo","raw_affiliation_strings":["City University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I168719708"],"apc_list":null,"apc_paid":null,"fwci":0.2381,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.6641545,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"12","issue":"2","first_page":"1","last_page":"19"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11439","display_name":"Video Analysis and Summarization","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11439","display_name":"Video Analysis and Summarization","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11714","display_name":"Multimodal Machine Learning Applications","score":0.9962000250816345,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T12031","display_name":"Speech and dialogue systems","score":0.9923999905586243,"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":0.7197900414466858},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6918190717697144},{"id":"https://openalex.org/keywords/sentence","display_name":"Sentence","score":0.6838594079017639},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.5070784091949463},{"id":"https://openalex.org/keywords/reading","display_name":"Reading (process)","score":0.49644047021865845},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.49118897318840027},{"id":"https://openalex.org/keywords/tone","display_name":"Tone (literature)","score":0.47354573011398315},{"id":"https://openalex.org/keywords/sentiment-analysis","display_name":"Sentiment analysis","score":0.45453813672065735},{"id":"https://openalex.org/keywords/transcription","display_name":"Transcription (linguistics)","score":0.45115789771080017},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.42143601179122925},{"id":"https://openalex.org/keywords/questions-and-answers","display_name":"Questions and answers","score":0.4154698848724365},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3867494463920593},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.37754741311073303},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.3277895450592041},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.23917418718338013}],"concepts":[{"id":"https://openalex.org/C44291984","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Question answering","level":2,"score":0.7197900414466858},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6918190717697144},{"id":"https://openalex.org/C2777530160","wikidata":"https://www.wikidata.org/wiki/Q41796","display_name":"Sentence","level":2,"score":0.6838594079017639},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.5070784091949463},{"id":"https://openalex.org/C554936623","wikidata":"https://www.wikidata.org/wiki/Q199657","display_name":"Reading (process)","level":2,"score":0.49644047021865845},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.49118897318840027},{"id":"https://openalex.org/C2780583480","wikidata":"https://www.wikidata.org/wiki/Q1366327","display_name":"Tone (literature)","level":2,"score":0.47354573011398315},{"id":"https://openalex.org/C66402592","wikidata":"https://www.wikidata.org/wiki/Q2271421","display_name":"Sentiment analysis","level":2,"score":0.45453813672065735},{"id":"https://openalex.org/C179926584","wikidata":"https://www.wikidata.org/wiki/Q207714","display_name":"Transcription (linguistics)","level":2,"score":0.45115789771080017},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.42143601179122925},{"id":"https://openalex.org/C3019144022","wikidata":"https://www.wikidata.org/wiki/Q4124998","display_name":"Questions and answers","level":2,"score":0.4154698848724365},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3867494463920593},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37754741311073303},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.3277895450592041},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.23917418718338013},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2818711","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2818711","pdf_url":null,"source":{"id":"https://openalex.org/S19610489","display_name":"ACM Transactions on Multimedia Computing Communications and Applications","issn_l":"1551-6857","issn":["1551-6857","1551-6865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, and Applications","raw_type":"journal-article"},{"id":"pmh:oai:ink.library.smu.edu.sg:sis_research-7362","is_oa":true,"landing_page_url":"https://ink.library.smu.edu.sg/cgi/viewcontent.cgi?article=7362&context=sis_research","pdf_url":null,"source":{"id":"https://openalex.org/S4306401925","display_name":"Singapore Management University Institutional Knowledge (InK) (Singapore Management University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79891267","host_organization_name":"Singapore Management University","host_organization_lineage":["https://openalex.org/I79891267"],"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":"https://doi.org/10.1145/2818711","raw_type":"Journal Article"}],"best_oa_location":{"id":"pmh:oai:ink.library.smu.edu.sg:sis_research-7362","is_oa":true,"landing_page_url":"https://ink.library.smu.edu.sg/cgi/viewcontent.cgi?article=7362&context=sis_research","pdf_url":null,"source":{"id":"https://openalex.org/S4306401925","display_name":"Singapore Management University Institutional Knowledge (InK) (Singapore Management University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79891267","host_organization_name":"Singapore Management University","host_organization_lineage":["https://openalex.org/I79891267"],"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":"https://doi.org/10.1145/2818711","raw_type":"Journal Article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.6700000166893005}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W44751112","https://openalex.org/W172209390","https://openalex.org/W193524605","https://openalex.org/W1482214997","https://openalex.org/W1506013151","https://openalex.org/W1532325895","https://openalex.org/W1589339348","https://openalex.org/W1980150549","https://openalex.org/W1980949147","https://openalex.org/W2003856922","https://openalex.org/W2004236981","https://openalex.org/W2011646888","https://openalex.org/W2026489683","https://openalex.org/W2035363410","https://openalex.org/W2061308196","https://openalex.org/W2072828027","https://openalex.org/W2075456404","https://openalex.org/W2089439246","https://openalex.org/W2090254904","https://openalex.org/W2106989042","https://openalex.org/W2115661440","https://openalex.org/W2122678284","https://openalex.org/W2122901787","https://openalex.org/W2125731262","https://openalex.org/W2126631960","https://openalex.org/W2128892113","https://openalex.org/W2130103520","https://openalex.org/W2137225583","https://openalex.org/W2138212602","https://openalex.org/W2151268690","https://openalex.org/W2153195303","https://openalex.org/W2168996682","https://openalex.org/W2398936787","https://openalex.org/W2596164567","https://openalex.org/W2914484425","https://openalex.org/W3097096317","https://openalex.org/W4213009331","https://openalex.org/W4238404964","https://openalex.org/W4249142012"],"related_works":["https://openalex.org/W128392744","https://openalex.org/W3107474891","https://openalex.org/W1835566166","https://openalex.org/W20999564","https://openalex.org/W1517743118","https://openalex.org/W2398825887","https://openalex.org/W2772769880","https://openalex.org/W2892217184","https://openalex.org/W2083768951","https://openalex.org/W2994389646"],"abstract_inverted_index":{"This":[0],"article":[1],"considers":[2],"multimedia":[3],"question":[4,108],"answering":[5,18],"beyond":[6],"factoid":[7,146],"and":[8,24,36,73,112,124,147,184,200,218],"how-to":[9,148],"questions.":[10],"We":[11],"are":[12,22,51,205],"interested":[13],"in":[14,86,92,101,129,171,198,202],"searching":[15],"videos":[16,58,172,220],"for":[17,173],"opinion-oriented":[19],"questions":[20,29,41,183,199,213],"that":[21,193],"controversial":[23,209],"hotly":[25],"debated.":[26],"Examples":[27],"of":[28,66,80,89,127,134,139,167],"include":[30],"\u201cShould":[31],"Edward":[32],"Snowden":[33],"be":[34,54,84,110,119],"pardoned?\u201d":[35],"\u201cObamacare\u2014unconstitutional":[37],"or":[38,48,136],"not?\u201d.":[39],"These":[40],"often":[42],"invoke":[43],"emotional":[44,67,169],"response,":[45],"either":[46],"positively":[47],"negatively,":[49],"hence":[50],"likely":[52,177],"to":[53,62,97,152],"better":[55],"answered":[56],"by":[57,145,164,189],"than":[59],"texts,":[60],"due":[61],"the":[63,99,115,159,168],"vivid":[64],"display":[65],"signals":[68,170],"visible":[69],"through":[70],"facial":[71],"expression":[72],"speaking":[74],"tone.":[75],"Nevertheless,":[76],"a":[77,87,105,190],"potential":[78],"answer":[79,100,160],"duration":[81],"60s":[82],"may":[83,109],"embedded":[85],"video":[88,116,154,175],"10min,":[90],"resulting":[91],"degraded":[93],"user":[94],"experience":[95],"compared":[96],"reading":[98],"text":[102,196],"only.":[103],"Furthermore,":[104],"text-based":[106],"opinion":[107],"short":[111],"vague,":[113],"while":[114],"answers":[117,185],"could":[118],"verbal,":[120],"less":[121],"structured":[122],"grammatically,":[123],"noisy":[125],"because":[126],"errors":[128],"speech":[130],"transcription.":[131],"Direct":[132],"matching":[133],"words":[135,197],"syntactic":[137],"analysis":[138,166],"sentence":[140],"structure,":[141],"such":[142],"as":[143],"adopted":[144],"question-answering,":[149],"is":[150,162,187],"unlikely":[151],"find":[153],"answers.":[155],"The":[156,180],"first":[157],"problem,":[158,182],"localization,":[161],"addressed":[163],"audiovisual":[165],"locating":[174],"segments":[176],"expressing":[178],"opinions.":[179],"second":[181],"matching,":[186],"tackled":[188],"deep":[191],"architecture":[192],"nonlinearly":[194],"matches":[195],"speeches":[201],"videos.":[203],"Experiments":[204],"conducted":[206],"on":[207,212],"eight":[208],"topics":[210],"based":[211],"crawled":[214],"from":[215,221],"Yahoo!":[216],"Answers":[217],"Internet":[219],"YouTube.":[222]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}
