{"id":"https://openalex.org/W2981460594","doi":"https://doi.org/10.1145/3343031.3350866","title":"PiTree","display_name":"PiTree","publication_year":2019,"publication_date":"2019-10-15","ids":{"openalex":"https://openalex.org/W2981460594","doi":"https://doi.org/10.1145/3343031.3350866","mag":"2981460594"},"language":"en","primary_location":{"id":"doi:10.1145/3343031.3350866","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3343031.3350866","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 27th ACM International Conference on Multimedia","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/A5066915269","display_name":"Zili Meng","orcid":"https://orcid.org/0000-0003-2009-7180"},"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":true,"raw_author_name":"Zili Meng","raw_affiliation_strings":["Tsinghua University &amp; Beijing National Research Center for Information Science and Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University &amp; Beijing National Research Center for Information Science and Technology, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100394946","display_name":"Jing Chen","orcid":"https://orcid.org/0000-0002-9874-8150"},"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":"Jing Chen","raw_affiliation_strings":["Tsinghua University &amp; Beijing National Research Center for Information Science and Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University &amp; Beijing National Research Center for Information Science and Technology, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110987797","display_name":"Yaning Guo","orcid":null},"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":"Yaning Guo","raw_affiliation_strings":["Tsinghua University &amp; Beijing National Research Center for Information Science and Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University &amp; Beijing National Research Center for Information Science and Technology, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100722240","display_name":"Chen Sun","orcid":"https://orcid.org/0000-0003-2480-2350"},"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":"Chen Sun","raw_affiliation_strings":["Tsinghua University &amp; Beijing National Research Center for Information Science and Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University &amp; Beijing National Research Center for Information Science and Technology, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056657952","display_name":"Hongxin Hu","orcid":"https://orcid.org/0000-0001-8710-247X"},"institutions":[{"id":"https://openalex.org/I8078737","display_name":"Clemson University","ror":"https://ror.org/037s24f05","country_code":"US","type":"education","lineage":["https://openalex.org/I8078737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hongxin Hu","raw_affiliation_strings":["Clemson University, Clemson, SC, USA"],"affiliations":[{"raw_affiliation_string":"Clemson University, Clemson, SC, USA","institution_ids":["https://openalex.org/I8078737"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103056341","display_name":"Mingwei Xu","orcid":"https://orcid.org/0000-0002-3385-9845"},"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":"Mingwei Xu","raw_affiliation_strings":["Tsinghua University &amp; Beijing National Research Center for Information Science and Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University &amp; Beijing National Research Center for Information Science and Technology, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5066915269"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":1.5333,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.86717432,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"2431","last_page":"2439"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","score":1.0,"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":1.0,"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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":0.9943000078201294,"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":0.8734025359153748},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.7326886057853699},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6882595419883728},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.6409131288528442},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.45611852407455444},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3779614567756653},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.17742344737052917},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.15051907300949097}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8734025359153748},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7326886057853699},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6882595419883728},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.6409131288528442},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.45611852407455444},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3779614567756653},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.17742344737052917},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.15051907300949097}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3343031.3350866","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3343031.3350866","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 27th ACM International Conference on Multimedia","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-127566","is_oa":false,"landing_page_url":"https://repository.hkust.edu.hk/ir/Record/1783.1-127566","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.4300000071525574,"id":"https://metadata.un.org/sdg/9"}],"awards":[{"id":"https://openalex.org/G6872211032","display_name":null,"funder_award_id":"61625203, 61832013, 6187242","funder_id":"https://openalex.org/F4320327720","funder_display_name":"Foundation for Innovative Research Groups of the National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320327720","display_name":"Foundation for Innovative Research Groups of the National Natural Science Foundation of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W1594031697","https://openalex.org/W1772688858","https://openalex.org/W1847221605","https://openalex.org/W1971262448","https://openalex.org/W1972191802","https://openalex.org/W1976676487","https://openalex.org/W1976944900","https://openalex.org/W1997430507","https://openalex.org/W2013628864","https://openalex.org/W2017146017","https://openalex.org/W2033072307","https://openalex.org/W2041861752","https://openalex.org/W2055165550","https://openalex.org/W2086364952","https://openalex.org/W2115363289","https://openalex.org/W2134797427","https://openalex.org/W2138682935","https://openalex.org/W2150453038","https://openalex.org/W2167407752","https://openalex.org/W2171884881","https://openalex.org/W2282821441","https://openalex.org/W2289252105","https://openalex.org/W2294370754","https://openalex.org/W2311303258","https://openalex.org/W2402144811","https://openalex.org/W2403094379","https://openalex.org/W2404593330","https://openalex.org/W2482797934","https://openalex.org/W2604382266","https://openalex.org/W2738972230","https://openalex.org/W2744628735","https://openalex.org/W2765088497","https://openalex.org/W2765815218","https://openalex.org/W2766174800","https://openalex.org/W2796284132","https://openalex.org/W2810731248","https://openalex.org/W2849781392","https://openalex.org/W2883529420","https://openalex.org/W2890991187","https://openalex.org/W2895789639","https://openalex.org/W2896511079","https://openalex.org/W2898855235","https://openalex.org/W2900201178","https://openalex.org/W2907051988","https://openalex.org/W2950884858","https://openalex.org/W2952432176","https://openalex.org/W2962862931","https://openalex.org/W2962957031","https://openalex.org/W2962965870","https://openalex.org/W2963191323","https://openalex.org/W2964231903","https://openalex.org/W2966416749","https://openalex.org/W3085162807","https://openalex.org/W3106333619","https://openalex.org/W6600297719","https://openalex.org/W6600325001"],"related_works":["https://openalex.org/W2770234245","https://openalex.org/W96612179","https://openalex.org/W4229499248","https://openalex.org/W1982914007","https://openalex.org/W2159583675","https://openalex.org/W1824242903","https://openalex.org/W1493858311","https://openalex.org/W2155470929","https://openalex.org/W2111125783","https://openalex.org/W2394465510"],"abstract_inverted_index":{"Major":[0],"commercial":[1],"client-side":[2],"video":[3],"players":[4],"employ":[5],"adaptive":[6],"bitrate":[7],"(ABR)":[8],"algorithms":[9,77,94,123,131],"to":[10,33,44,99,142],"improve":[11],"user":[12],"quality":[13],"of":[14,20,74],"experience":[15],"(QoE).":[16],"With":[17],"the":[18,72,111,115],"evolvement":[19],"ABR":[21,76,93,122,130],"algorithms,":[22],"increasingly":[23],"complex":[24,39],"methods":[25,40],"such":[26],"as":[27],"neural":[28],"networks":[29],"have":[30],"been":[31],"adopted":[32],"pursue":[34],"better":[35],"performance.":[36],"However,":[37],"these":[38],"are":[41],"too":[42],"heavyweight":[43],"be":[45],"directly":[46],"implemented":[47],"in":[48],"client":[49],"devices,":[50],"especially":[51],"mobile":[52],"phones":[53],"with":[54,135],"very":[55],"limited":[56],"resources.":[57],"Existing":[58],"solutions":[59],"suffer":[60],"from":[61],"a":[62,82,106],"trade-off":[63],"between":[64],"algorithm":[65],"performance":[66,138],"and":[67,85],"deployment":[68,101],"overhead.":[69,102],"To":[70],"make":[71],"implementation":[73,144],"sophisticated":[75,92],"practical,":[78],"we":[79],"propose":[80],"PiTree,":[81],"general,":[83],"high-performance":[84],"scalable":[86],"framework":[87],"that":[88,125],"can":[89],"faithfully":[90,128],"convert":[91,129],"into":[95,132],"lightweight":[96],"decision":[97,133],"trees":[98,134],"reduce":[100],"We":[103],"also":[104],"provide":[105],"theoretical":[107],"upper":[108],"bound":[109],"on":[110,119],"optimization":[112],"loss":[113],"during":[114],"conversion.":[116],"Evaluation":[117],"results":[118],"three":[120],"representative":[121],"demonstrate":[124],"PiTree":[126,146],"could":[127,147],"<3%":[136],"average":[137],"degradation.":[139],"Moreover,":[140],"comparing":[141],"original":[143],"solutions,":[145],"save":[148],"operating":[149],"expenses":[150],"for":[151],"large":[152],"content":[153],"providers.":[154]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":7}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2019-11-01T00:00:00"}