{"id":"https://openalex.org/W3047002600","doi":"https://doi.org/10.1109/infocom41043.2020.9155395","title":"Look Ahead at the First-mile in Livecast with Crowdsourced Highlight Prediction","display_name":"Look Ahead at the First-mile in Livecast with Crowdsourced Highlight Prediction","publication_year":2020,"publication_date":"2020-07-01","ids":{"openalex":"https://openalex.org/W3047002600","doi":"https://doi.org/10.1109/infocom41043.2020.9155395","mag":"3047002600"},"language":"en","primary_location":{"id":"doi:10.1109/infocom41043.2020.9155395","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infocom41043.2020.9155395","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2020 - IEEE Conference on Computer Communications","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/A5100438397","display_name":"Cong Zhang","orcid":"https://orcid.org/0000-0002-9439-6725"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Cong Zhang","raw_affiliation_strings":["School of Computer Science and Technology, University of Science and Technology of China, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, University of Science and Technology of China, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039311485","display_name":"Jiangchuan Liu","orcid":"https://orcid.org/0000-0001-6592-1984"},"institutions":[{"id":"https://openalex.org/I18014758","display_name":"Simon Fraser University","ror":"https://ror.org/0213rcc28","country_code":"CA","type":"education","lineage":["https://openalex.org/I18014758"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Jiangchuan Liu","raw_affiliation_strings":["School of Computing Science, Simon Fraser University, Canada"],"affiliations":[{"raw_affiliation_string":"School of Computing Science, Simon Fraser University, Canada","institution_ids":["https://openalex.org/I18014758"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101788794","display_name":"Zhi Wang","orcid":"https://orcid.org/0009-0009-2484-0796"},"institutions":[{"id":"https://openalex.org/I4210114105","display_name":"Tsinghua\u2013Berkeley Shenzhen Institute","ror":"https://ror.org/02hhwwz98","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210114105","https://openalex.org/I95457486","https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhi Wang","raw_affiliation_strings":["Tsinghua Shenzhen International Graduate School, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua Shenzhen International Graduate School, China","institution_ids":["https://openalex.org/I4210114105"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047712495","display_name":"Lifeng Sun","orcid":"https://orcid.org/0000-0002-4057-5138"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lifeng Sun","raw_affiliation_strings":["Department of Computer Science and Technology, Tsinghua University, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Technology, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100438397"],"corresponding_institution_ids":["https://openalex.org/I126520041"],"apc_list":null,"apc_paid":null,"fwci":0.3908,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.6148417,"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":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","score":0.9957000017166138,"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/T11165","display_name":"Image and Video Quality Assessment","score":0.9957000017166138,"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/T12761","display_name":"Data Stream Mining Techniques","score":0.9943000078201294,"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/T11439","display_name":"Video Analysis and Summarization","score":0.9864000082015991,"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/mile","display_name":"Mile","score":0.776618480682373},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6328181028366089},{"id":"https://openalex.org/keywords/last-mile","display_name":"Last mile (transportation)","score":0.41171175241470337},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.13683894276618958}],"concepts":[{"id":"https://openalex.org/C186379835","wikidata":"https://www.wikidata.org/wiki/Q253276","display_name":"Mile","level":2,"score":0.776618480682373},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6328181028366089},{"id":"https://openalex.org/C45440154","wikidata":"https://www.wikidata.org/wiki/Q6494801","display_name":"Last mile (transportation)","level":3,"score":0.41171175241470337},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.13683894276618958},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/infocom41043.2020.9155395","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infocom41043.2020.9155395","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2020 - IEEE Conference on Computer Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W179875071","https://openalex.org/W1854174517","https://openalex.org/W1977545325","https://openalex.org/W2064675550","https://openalex.org/W2085171512","https://openalex.org/W2117014758","https://openalex.org/W2140190241","https://openalex.org/W2163605009","https://openalex.org/W2366859975","https://openalex.org/W2495130909","https://openalex.org/W2508429489","https://openalex.org/W2541487934","https://openalex.org/W2549577425","https://openalex.org/W2557442916","https://openalex.org/W2576966046","https://openalex.org/W2583735168","https://openalex.org/W2605153712","https://openalex.org/W2606139277","https://openalex.org/W2620119436","https://openalex.org/W2625298190","https://openalex.org/W2950956365","https://openalex.org/W2965671543","https://openalex.org/W2968289224","https://openalex.org/W2979599265","https://openalex.org/W3101359755","https://openalex.org/W4213060235","https://openalex.org/W4252489559","https://openalex.org/W6607333740","https://openalex.org/W6684191040","https://openalex.org/W6730194078","https://openalex.org/W6732146799","https://openalex.org/W6736485827"],"related_works":["https://openalex.org/W4224920455","https://openalex.org/W2974961843","https://openalex.org/W4387715617","https://openalex.org/W2736109931","https://openalex.org/W2525242198","https://openalex.org/W2075280196","https://openalex.org/W4391768511","https://openalex.org/W4387147337","https://openalex.org/W2263936574","https://openalex.org/W2997910527"],"abstract_inverted_index":{"Recently,":[0],"data-driven":[1],"prediction":[2,45,83,152,170],"strategies":[3,12,58],"have":[4,25],"shown":[5],"the":[6,10,30,37,44,54,60,64,73,77,81,87,91,106,112,119,123,129,133,143,149,161,169,188],"potential":[7],"of":[8,56,145,163,184,187],"shepherding":[9],"optimization":[11,57,85],"for":[13,72],"end":[14],"viewer's":[15],"Quality-of-Experience":[16],"in":[17,59,122,148],"practical":[18],"streaming":[19],"applications.":[20],"The":[21,157],"current":[22],"prediction-based":[23],"designs":[24],"largely":[26],"focused":[27],"on":[28],"optimizing":[29],"last-mile,":[31],"i.e.,":[32,93],"viewer-side,":[33],"which":[34,104],"1)":[35],"need":[36,49],"real-time":[38],"feedback":[39],"from":[40,90],"viewers":[41],"to":[42,52,63,79,178],"improve":[43],"accuracy;":[46],"and":[47,84,109,117,153],"2)":[48],"quick":[50],"responses":[51],"guarantee":[53],"effectiveness":[55,144],"future.":[61],"Thanks":[62],"emerged":[65],"crowdsourced":[66],"livecast":[67],"services,":[68],"e.g.,":[69],"Twitch.tv,":[70],"we":[71,98,141],"first":[74],"time":[75],"exploit":[76],"opportunity":[78],"realize":[80],"long-term":[82],"with":[86],"assistance":[88],"derived":[89],"first-mile,":[92],"source":[94],"broadcasters.In":[95],"this":[96,146],"paper,":[97],"propose":[99],"a":[100],"novel":[101],"framework":[102,147],"CastFlag,":[103],"analyzes":[105],"broadcasters'":[107],"operations":[108],"interactions,":[110],"predicts":[111],"key":[113],"events":[114],"(i.e.,":[115],"highlights),":[116],"optimizes":[118],"transcoding":[120,154,189],"stage":[121],"corresponding":[124],"live":[125],"streams,":[126],"even":[127],"before":[128],"encoding":[130],"stage.":[131],"Taking":[132],"most":[134],"popular":[135],"eSports":[136],"gamecast":[137],"as":[138,165],"an":[139,182],"example,":[140],"illustrate":[142],"game":[150],"highlight":[151],"workload":[155],"allocation.":[156],"trace-driven":[158],"evaluation":[159],"shows":[160],"superiority":[162],"CastFlag":[164],"it:":[166],"(1)":[167],"improves":[168],"accuracy":[171],"over":[172],"other":[173],"learning-based":[174],"approaches":[175],"by":[176],"up":[177],"30%;":[179],"(2)":[180],"achieves":[181],"average":[183],"10%":[185],"saving":[186],"latency":[190],"at":[191],"less":[192],"cost.":[193]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
