{"id":"https://openalex.org/W2000942453","doi":"https://doi.org/10.1145/1291233.1291278","title":"The use of topic evolution to help users browse and find answers in news video corpus","display_name":"The use of topic evolution to help users browse and find answers in news video corpus","publication_year":2007,"publication_date":"2007-09-29","ids":{"openalex":"https://openalex.org/W2000942453","doi":"https://doi.org/10.1145/1291233.1291278","mag":"2000942453"},"language":"en","primary_location":{"id":"doi:10.1145/1291233.1291278","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1291233.1291278","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 15th ACM international conference on Multimedia","raw_type":"proceedings-article"},"type":"conference-paper","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/A5074554707","display_name":"Shi-Yong Neo","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Shi-Yong Neo","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050003169","display_name":"Yuan-Yuan Ran","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanyuan Ran","raw_affiliation_strings":["Chinese Academy of Sciences, Beijing, China","Chinese Academy of Sciences , Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"Chinese Academy of Sciences , Beijing, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108416391","display_name":"Hai-Kiat Goh","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Hai-Kiat Goh","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111540763","display_name":"Yan-Tao Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yantao Zheng","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089404640","display_name":"Tat\u2010Seng Chua","orcid":"https://orcid.org/0000-0001-6097-7807"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Tat-Seng Chua","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100334715","display_name":"Jintao Li","orcid":"https://orcid.org/0000-0003-0403-6767"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jintao Li","raw_affiliation_strings":["Chinese Academy of Sciences, Singapore, Singapore","Chinese Academy of Sciences, Singapore, Singapore#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Singapore, Singapore","institution_ids":[]},{"raw_affiliation_string":"Chinese Academy of Sciences, Singapore, Singapore#TAB#","institution_ids":["https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.3651,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.89948787,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"198","last_page":"207"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11439","display_name":"Video Analysis and Summarization","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9990000128746033,"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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9987000226974487,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8567160964012146},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.6899489760398865},{"id":"https://openalex.org/keywords/event","display_name":"Event (particle physics)","score":0.6881856918334961},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.649080216884613},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.5734402537345886},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5580518245697021},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.5483471155166626},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.501950740814209},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.4387494921684265},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.42704248428344727},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.15039998292922974}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8567160964012146},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.6899489760398865},{"id":"https://openalex.org/C2779662365","wikidata":"https://www.wikidata.org/wiki/Q5416694","display_name":"Event (particle physics)","level":2,"score":0.6881856918334961},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.649080216884613},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.5734402537345886},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5580518245697021},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.5483471155166626},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.501950740814209},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.4387494921684265},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.42704248428344727},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.15039998292922974},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1291233.1291278","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1291233.1291278","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 15th ACM international conference on Multimedia","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.104.3910","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.104.3910","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://lms.comp.nus.edu.sg/papers/MyPapers/video/acmmm07-neosyOFF.PDF","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5799999833106995,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W136846643","https://openalex.org/W1491947711","https://openalex.org/W1525467807","https://openalex.org/W1537942797","https://openalex.org/W1540940911","https://openalex.org/W1590000520","https://openalex.org/W1593045043","https://openalex.org/W1659833910","https://openalex.org/W1980949147","https://openalex.org/W2004777888","https://openalex.org/W2034985742","https://openalex.org/W2038721957","https://openalex.org/W2042239531","https://openalex.org/W2064988570","https://openalex.org/W2084610763","https://openalex.org/W2093415187","https://openalex.org/W2096479579","https://openalex.org/W2116608170","https://openalex.org/W2126017203","https://openalex.org/W2141080726","https://openalex.org/W2153927559","https://openalex.org/W2158917524","https://openalex.org/W2159637323","https://openalex.org/W2177658341","https://openalex.org/W2846936617","https://openalex.org/W2916567321","https://openalex.org/W3032163182","https://openalex.org/W3138330851","https://openalex.org/W4234917632","https://openalex.org/W6683125715","https://openalex.org/W7016219665"],"related_works":["https://openalex.org/W2365264209","https://openalex.org/W2509431957","https://openalex.org/W2026999166","https://openalex.org/W1599954583","https://openalex.org/W1992685502","https://openalex.org/W4211007821","https://openalex.org/W2802395037","https://openalex.org/W4389565704","https://openalex.org/W1996802783","https://openalex.org/W2155531513"],"abstract_inverted_index":{"Earlier":[0],"research":[1],"in":[2,107],"news":[3,29,68,132,135,138,177],"video":[4,19,30,35,168],"has":[5],"been":[6],"focusing":[7],"mainly":[8],"on":[9,67,78,89,92,150,157,172],"improving":[10],"retrieval":[11],"accuracies":[12],"given":[13],"the":[14,84,110,184],"limited":[15],"amount":[16,85],"of":[17,50,86,159,166,175],"extractable":[18,34],"semantics.":[20],"In":[21],"this":[22],"paper,":[23],"we":[24,97],"propose":[25],"an":[26],"enhancement":[27],"to":[28,43,48,102,109,114,140,162,191],"searching":[31],"by":[32,82],"leveraging":[33],"semantics":[36],"coupled":[37],"with":[38,76],"relevant":[39],"external":[40],"information":[41,129],"resources":[42],"support":[44,141],"event-based":[45],"analysis;":[46],"leading":[47],"discovery":[49],"topic":[51,64,111,146,160],"hierarchy":[52,161],"for":[53],"browsing":[54,65,148],"key":[55],"events":[56,80,91],"and":[57,74,118,137,153,189],"supporting":[58],"question":[59],"answering":[60],"(QA).":[61],"We":[62],"introduce":[63],"based":[66,149],"structures":[69,113],"obtained":[70],"through":[71],"hierarchical":[72,112],"clustering":[73],"threading,":[75],"emphasis":[77],"interesting":[79],"determined":[81],"measuring":[83],"\"web":[87],"activities\"":[88],"these":[90],"Blog":[93],"sites.":[94],"For":[95],"QA,":[96],"employ":[98],"extensive":[99],"query":[100,105],"analysis":[101],"obtain":[103],"various":[104,164],"features":[106],"addition":[108],"answer":[115],"both":[116],"context-oriented":[117],"visual-oriented":[119],"questions.":[120],"Our":[121],"main":[122],"contributions":[123],"includes:":[124],"(a)":[125],"combining":[126],"multimodal":[127],"event":[128,142],"extracted":[130],"from":[131,178],"video,":[133],"web":[134],"articles":[136],"blogs":[139],"analysis,":[143],"(b)":[144],"introducing":[145],"evolution":[147],"users'":[151],"interest":[152],"(c)":[154],"extending":[155],"QA":[156],"top":[158],"handle":[163],"types":[165],"specialized":[167],"queries.":[169],"Experiments":[170],"performed":[171],"70":[173],"hours":[174],"multilingual":[176],"TRECVID":[179],"2005":[180],"dataset":[181],"shows":[182],"that":[183],"proposed":[185],"approach":[186],"is":[187],"effective":[188],"appealing":[190],"users.":[192]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}