{"id":"https://openalex.org/W2030650379","doi":"https://doi.org/10.1145/1341012.1341059","title":"Approximate order-k Voronoi cells over positional streams","display_name":"Approximate order-k Voronoi cells over positional streams","publication_year":2007,"publication_date":"2007-11-07","ids":{"openalex":"https://openalex.org/W2030650379","doi":"https://doi.org/10.1145/1341012.1341059","mag":"2030650379"},"language":"en","primary_location":{"id":"doi:10.1145/1341012.1341059","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1341012.1341059","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 annual ACM international symposium on Advances in geographic information systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://doi.org/10.1145/1341012.1341059","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5071365762","display_name":"Kostas Patroumpas","orcid":"https://orcid.org/0000-0003-3334-8671"},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Kostas Patroumpas","raw_affiliation_strings":["National Technical University of Athens, Hellas"],"affiliations":[{"raw_affiliation_string":"National Technical University of Athens, Hellas","institution_ids":["https://openalex.org/I174458059"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046118436","display_name":"Theofanis Minogiannis","orcid":null},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Theofanis Minogiannis","raw_affiliation_strings":["National Technical University of Athens, Hellas"],"affiliations":[{"raw_affiliation_string":"National Technical University of Athens, Hellas","institution_ids":["https://openalex.org/I174458059"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020449921","display_name":"Timos Sellis","orcid":"https://orcid.org/0000-0002-9067-5639"},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Timos Sellis","raw_affiliation_strings":["National Technical University of Athens, Hellas"],"affiliations":[{"raw_affiliation_string":"National Technical University of Athens, Hellas","institution_ids":["https://openalex.org/I174458059"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5071365762"],"corresponding_institution_ids":["https://openalex.org/I174458059"],"apc_list":null,"apc_paid":null,"fwci":1.6192,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.8337145,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9997000098228455,"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":0.9997000098228455,"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9768999814987183,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11269","display_name":"Algorithms and Data Compression","score":0.9681000113487244,"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/voronoi-diagram","display_name":"Voronoi diagram","score":0.8361937999725342},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8126798272132874},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.6906942129135132},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.6842248439788818},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.4934810400009155},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.47737357020378113},{"id":"https://openalex.org/keywords/interval","display_name":"Interval (graph theory)","score":0.4689205288887024},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.45519837737083435},{"id":"https://openalex.org/keywords/k-nearest-neighbors-algorithm","display_name":"k-nearest neighbors algorithm","score":0.4404953718185425},{"id":"https://openalex.org/keywords/data-stream-mining","display_name":"Data stream mining","score":0.42045271396636963},{"id":"https://openalex.org/keywords/sliding-window-protocol","display_name":"Sliding window protocol","score":0.4192141592502594},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4086134135723114},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2617066502571106},{"id":"https://openalex.org/keywords/window","display_name":"Window (computing)","score":0.194026380777359},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13972148299217224}],"concepts":[{"id":"https://openalex.org/C24881265","wikidata":"https://www.wikidata.org/wiki/Q757267","display_name":"Voronoi diagram","level":2,"score":0.8361937999725342},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8126798272132874},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.6906942129135132},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.6842248439788818},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.4934810400009155},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.47737357020378113},{"id":"https://openalex.org/C2778067643","wikidata":"https://www.wikidata.org/wiki/Q166507","display_name":"Interval (graph theory)","level":2,"score":0.4689205288887024},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.45519837737083435},{"id":"https://openalex.org/C113238511","wikidata":"https://www.wikidata.org/wiki/Q1071612","display_name":"k-nearest neighbors algorithm","level":2,"score":0.4404953718185425},{"id":"https://openalex.org/C89198739","wikidata":"https://www.wikidata.org/wiki/Q3079880","display_name":"Data stream mining","level":2,"score":0.42045271396636963},{"id":"https://openalex.org/C102392041","wikidata":"https://www.wikidata.org/wiki/Q592860","display_name":"Sliding window protocol","level":3,"score":0.4192141592502594},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4086134135723114},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2617066502571106},{"id":"https://openalex.org/C2778751112","wikidata":"https://www.wikidata.org/wiki/Q835016","display_name":"Window (computing)","level":2,"score":0.194026380777359},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13972148299217224},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"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/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":7,"locations":[{"id":"doi:10.1145/1341012.1341059","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1341012.1341059","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 annual ACM international symposium on Advances in geographic information systems","raw_type":"proceedings-article"},{"id":"pmh:oai:researchbank.rmit.edu.au:rmit:18885","is_oa":false,"landing_page_url":"http://researchbank.rmit.edu.au/view/rmit:18885","pdf_url":null,"source":{"id":"https://openalex.org/S4306402074","display_name":"RMIT Research Repository (RMIT University Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I82951845","host_organization_name":"RMIT University","host_organization_lineage":["https://openalex.org/I82951845"],"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"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.542.8912","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.542.8912","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.dbnet.ece.ntua.gr/pubs/uploads/TR-2007-10.pdf","raw_type":"text"},{"id":"pmh:oai:alma.61RMIT_INST:11246588960001341","is_oa":false,"landing_page_url":"http:doi.org/10.1145/1341012.1341059","pdf_url":null,"source":{"id":"https://openalex.org/S4306402074","display_name":"RMIT Research Repository (RMIT University Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I82951845","host_organization_name":"RMIT University","host_organization_lineage":["https://openalex.org/I82951845"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},{"id":"pmh:oai:dspace.lib.ntua.gr:123456789/31840","is_oa":true,"landing_page_url":"http://doi.org/10.1145/1341012.1341059","pdf_url":null,"source":{"id":"https://openalex.org/S4377196837","display_name":"DSpace - NTUA (National Technical University of Athens)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I174458059","host_organization_name":"National Technical University of Athens","host_organization_lineage":["https://openalex.org/I174458059"],"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":"GIS: Proceedings of the ACM International Symposium on Advances in Geographic Information Systems","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:figshare.com:article/27380136","is_oa":true,"landing_page_url":"https://figshare.com/articles/conference_contribution/Approximate_order-k_Voronoi_cells_over_positional_streams/27380136","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:researchbank.swinburne.edu.au:a20d8a72-e2f1-415c-992a-a77f107c04d4/1","is_oa":false,"landing_page_url":"http://hdl.handle.net/1959.3/415565","pdf_url":null,"source":{"id":"https://openalex.org/S4306401157","display_name":"Swinburne Research Bank (Swinburne University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I57093077","host_organization_name":"Swinburne University of Technology","host_organization_lineage":["https://openalex.org/I57093077"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ACMGIS07 15th annual ACM international symposium on Advances in geographic information systems, Seattle, United States, 7-9 November 2007, pp. 1-8","raw_type":""}],"best_oa_location":{"id":"pmh:oai:dspace.lib.ntua.gr:123456789/31840","is_oa":true,"landing_page_url":"http://doi.org/10.1145/1341012.1341059","pdf_url":null,"source":{"id":"https://openalex.org/S4377196837","display_name":"DSpace - NTUA (National Technical University of Athens)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I174458059","host_organization_name":"National Technical University of Athens","host_organization_lineage":["https://openalex.org/I174458059"],"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":"GIS: Proceedings of the ACM International Symposium on Advances in Geographic Information Systems","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1543003006","https://openalex.org/W1553387542","https://openalex.org/W1596846675","https://openalex.org/W1771592512","https://openalex.org/W1967005434","https://openalex.org/W1971451420","https://openalex.org/W2001845525","https://openalex.org/W2007025103","https://openalex.org/W2092924973","https://openalex.org/W2096109431","https://openalex.org/W2106642566","https://openalex.org/W2114004713","https://openalex.org/W2117379916","https://openalex.org/W2148732449","https://openalex.org/W2149906774"],"related_works":["https://openalex.org/W4360995307","https://openalex.org/W2167004500","https://openalex.org/W2059461309","https://openalex.org/W1572762191","https://openalex.org/W2375516608","https://openalex.org/W2106570241","https://openalex.org/W3207785250","https://openalex.org/W4382459699","https://openalex.org/W6445124","https://openalex.org/W1994168535"],"abstract_inverted_index":{"Handling":[0],"streams":[1],"of":[2,60,78,134],"positional":[3,98],"updates":[4,99],"from":[5],"numerous":[6],"moving":[7],"ob-jects":[8],"has":[9],"become":[10],"a":[11,45,57,74,113,119],"challenging":[12],"task":[13],"for":[14,24,48,82,105,112],"many":[15],"monitoring":[16],"applica-tions.":[17],"Several":[18],"algorithms":[19],"have":[20],"been":[21],"recently":[22],"proposed":[23],"provid-ing":[25],"exact":[26],"answers":[27],"particularly":[28],"to":[29,96,118],"continuous":[30],"range":[31],"and":[32,132],"k-nearest":[33,80],"neighbor":[34],"queries":[35],"against":[36],"current":[37],"object":[38],"positions.":[39],"In":[40],"this":[41,135],"work,":[42],"we":[43],"introduce":[44],"processing":[46],"technique":[47],"efficiently":[49],"maintaining":[50],"an":[51],"ap-proximate":[52],"order-k":[53],"Voronoi":[54],"cell":[55,140],"around":[56],"certain":[58],"point":[59,85],"interest":[61],"when":[62],"all":[63,106],"objects":[64],"continuously":[65],"change":[66],"their":[67],"locations.":[68],"This":[69],"heuristic":[70],"can":[71],"easily":[72],"provide":[73],"fairly":[75],"reliable":[76],"estimate":[77],"the":[79,88,130],"neigh-bors":[81],"any":[83],"query":[84],"found":[86],"inside":[87],"constructed":[89],"cell.":[90],"We":[91],"fur-ther":[92],"extend":[93],"our":[94],"method":[95],"handle":[97],"that":[100],"are":[101],"not":[102],"received":[103],"concurrently":[104],"objects,":[107],"but":[108],"instead":[109],"remain":[110],"valid":[111],"specific":[114],"time":[115],"interval":[116],"according":[117],"sliding":[120],"window":[121],"model.":[122],"Ex-tensive":[123],"experimental":[124],"analysis":[125],"over":[126],"synthetic":[127],"datasets":[128],"confirms":[129],"robustness":[131],"scalability":[133],"approach":[136],"offering":[137],"near":[138],"real-time":[139],"maintenance":[141],"with":[142],"acceptable":[143],"error":[144],"margins.":[145]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}