{"id":"https://openalex.org/W1982734091","doi":"https://doi.org/10.1109/tkde.2014.2340408","title":"Probabilistic Convex Hull Queries over Uncertain Data","display_name":"Probabilistic Convex Hull Queries over Uncertain Data","publication_year":2014,"publication_date":"2014-07-17","ids":{"openalex":"https://openalex.org/W1982734091","doi":"https://doi.org/10.1109/tkde.2014.2340408","mag":"1982734091"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2014.2340408","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2014.2340408","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-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/A5070582509","display_name":"Da Yan","orcid":"https://orcid.org/0000-0002-4653-0408"},"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":"Da Yan","raw_affiliation_strings":["Department of Computer Science and Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079260216","display_name":"Zhou Zhao","orcid":"https://orcid.org/0000-0001-6121-0384"},"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":"Zhou Zhao","raw_affiliation_strings":["Department of Computer Science and Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067034635","display_name":"Wilfred Ng","orcid":"https://orcid.org/0000-0001-6639-0521"},"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":"Wilfred Ng","raw_affiliation_strings":["Department of Computer Science and Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101471879","display_name":"Steven Liu","orcid":"https://orcid.org/0000-0002-0060-6593"},"institutions":[{"id":"https://openalex.org/I59553526","display_name":"Stony Brook University","ror":"https://ror.org/05qghxh33","country_code":"US","type":"education","lineage":["https://openalex.org/I59553526"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Steven Liu","raw_affiliation_strings":["Department of Computer Science, Stony Brook University","Dept of Computer Science, Stony Brook University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Stony Brook University","institution_ids":["https://openalex.org/I59553526"]},{"raw_affiliation_string":"Dept of Computer Science, Stony Brook University","institution_ids":["https://openalex.org/I59553526"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5793,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.6481946,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"27","issue":"3","first_page":"852","last_page":"865"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9998999834060669,"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/T13282","display_name":"Automated Road and Building Extraction","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"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":0.9757000207901001,"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/convex-hull","display_name":"Convex hull","score":0.7499659061431885},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.615450382232666},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.5431167483329773},{"id":"https://openalex.org/keywords/output-sensitive-algorithm","display_name":"Output-sensitive algorithm","score":0.49458572268486023},{"id":"https://openalex.org/keywords/oracle","display_name":"Oracle","score":0.4696993827819824},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45975184440612793},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.4187106192111969},{"id":"https://openalex.org/keywords/hull","display_name":"Hull","score":0.4181118607521057},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.3510570824146271},{"id":"https://openalex.org/keywords/convex-combination","display_name":"Convex combination","score":0.34753239154815674},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.3104085326194763},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2999950647354126},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19247177243232727}],"concepts":[{"id":"https://openalex.org/C206194317","wikidata":"https://www.wikidata.org/wiki/Q1138624","display_name":"Convex hull","level":3,"score":0.7499659061431885},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.615450382232666},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.5431167483329773},{"id":"https://openalex.org/C39132409","wikidata":"https://www.wikidata.org/wiki/Q7112860","display_name":"Output-sensitive algorithm","level":5,"score":0.49458572268486023},{"id":"https://openalex.org/C55166926","wikidata":"https://www.wikidata.org/wiki/Q2892946","display_name":"Oracle","level":2,"score":0.4696993827819824},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45975184440612793},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.4187106192111969},{"id":"https://openalex.org/C37423430","wikidata":"https://www.wikidata.org/wiki/Q6750281","display_name":"Hull","level":2,"score":0.4181118607521057},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.3510570824146271},{"id":"https://openalex.org/C111110010","wikidata":"https://www.wikidata.org/wiki/Q2627315","display_name":"Convex combination","level":4,"score":0.34753239154815674},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.3104085326194763},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2999950647354126},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19247177243232727},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C199104240","wikidata":"https://www.wikidata.org/wiki/Q118291","display_name":"Marine engineering","level":1,"score":0.0},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tkde.2014.2340408","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2014.2340408","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-68193","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-68193","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":null,"raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.5299999713897705}],"awards":[{"id":"https://openalex.org/G1384916209","display_name":null,"funder_award_id":"HKUST 617610","funder_id":"https://openalex.org/F4320306709","funder_display_name":"Glaucoma Research Foundation"}],"funders":[{"id":"https://openalex.org/F4320306709","display_name":"Glaucoma Research Foundation","ror":"https://ror.org/05ez53b31"},{"id":"https://openalex.org/F4320323537","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W274239259","https://openalex.org/W581837698","https://openalex.org/W1580149355","https://openalex.org/W1601795611","https://openalex.org/W1663973292","https://openalex.org/W2005314985","https://openalex.org/W2034518740","https://openalex.org/W2041763948","https://openalex.org/W2045928315","https://openalex.org/W2052251701","https://openalex.org/W2054926186","https://openalex.org/W2072540320","https://openalex.org/W2078686663","https://openalex.org/W2088422262","https://openalex.org/W2097309979","https://openalex.org/W2106582507","https://openalex.org/W2118269922","https://openalex.org/W2119493805","https://openalex.org/W2119806435","https://openalex.org/W2120342618","https://openalex.org/W2126751256","https://openalex.org/W2132768130","https://openalex.org/W2138271690","https://openalex.org/W2138414767","https://openalex.org/W2164688391","https://openalex.org/W2167956717","https://openalex.org/W2170188482","https://openalex.org/W2171776999","https://openalex.org/W2911302472","https://openalex.org/W2998654680","https://openalex.org/W3044063023","https://openalex.org/W4206237997","https://openalex.org/W4300564796","https://openalex.org/W6672615329","https://openalex.org/W6680722260","https://openalex.org/W6781143235"],"related_works":["https://openalex.org/W1507382935","https://openalex.org/W2358001426","https://openalex.org/W2439874932","https://openalex.org/W1758159897","https://openalex.org/W2360117020","https://openalex.org/W2376690466","https://openalex.org/W2741067195","https://openalex.org/W3034791572","https://openalex.org/W1980352082","https://openalex.org/W1786647412"],"abstract_inverted_index":{"The":[0],"convex":[1,13,56],"hull":[2,23,57],"of":[3,6,41,55,99,138,164,201],"a":[4,158,165,181],"set":[5],"two-dimensional":[7],"points,":[8],"P,":[9],"is":[10,24,88,118],"the":[11,18,39,53,66,97,119,136,162,188,199],"minimal":[12],"polygon":[14],"that":[15,175],"contains":[16],"all":[17],"points":[19],"in":[20,26,48,61,161],"P.":[21],"Convex":[22,68],"important":[25],"many":[27],"applications":[28,174],"such":[29,44,75],"as":[30,45,76],"GIS,":[31],"statistical":[32],"analysis":[33],"and":[34,71,81,130],"data":[35,42,60,120,139],"mining.":[36],"Due":[37],"to":[38,172,197],"ubiquity":[40],"uncertainty":[43,47,87],"location":[46,86],"real-world":[49],"applications,":[50,74],"we":[51,103,146,179],"study":[52],"concept":[54],"over":[58],"uncertain":[59],"2D":[62],"space.":[63],"We":[64,122],"propose":[65,147],"Probabilistic":[67],"Hull(PCH)":[69],"query":[70],"demonstrate":[72],"its":[73],"Flickr":[77],"landscape":[78],"photo":[79],"extraction":[80],"activity":[82],"region":[83],"visualization,":[84],"where":[85,116],"incurred":[89],"by":[90,156],"GPS":[91],"devices":[92],"or":[93],"sensors.":[94],"To":[95,141],"tackle":[96],"problem":[98],"possible":[100],"world":[101],"explosion,":[102],"develop":[104,180],"an":[105],"O(N":[106,149],"<sup":[107,150],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[108,151],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">3</sup>":[109],")":[110],"algorithm":[111,126,184],"based":[112],"on":[113],"geometric":[114],"properties,":[115],"N":[117],"size.":[121],"further":[123],"improve":[124],"this":[125],"with":[127,168,190],"spatial":[128],"indices":[129],"effective":[131],"pruning":[132],"techniques,":[133],"which":[134,185],"prune":[135],"majority":[137],"instances.":[140],"achieve":[142],"better":[143],"time":[144],"complexity,":[145],"another":[148],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[152],"log":[153],"N)":[154],"algorithm,":[155],"maintaining":[157],"probability":[159],"oracle":[160],"form":[163],"circular":[166],"array":[167],"nice":[169],"properties.":[170],"Finally,":[171],"support":[173],"require":[176],"fast":[177],"response,":[178],"Gibbs-sampling-based":[182],"approximation":[183],"efficiently":[186],"finds":[187],"PCH":[189,206],"high":[191],"accuracy.":[192],"Extensive":[193],"experiments":[194],"are":[195],"conducted":[196],"verify":[198],"efficiency":[200],"our":[202],"algorithms":[203],"for":[204],"answering":[205],"queries.":[207]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
