{"id":"https://openalex.org/W2101694635","doi":"https://doi.org/10.1109/time.2003.1214887","title":"Efficient aggregation over moving objects","display_name":"Efficient aggregation over moving objects","publication_year":2004,"publication_date":"2004-01-24","ids":{"openalex":"https://openalex.org/W2101694635","doi":"https://doi.org/10.1109/time.2003.1214887","mag":"2101694635"},"language":"en","primary_location":{"id":"doi:10.1109/time.2003.1214887","is_oa":false,"landing_page_url":"https://doi.org/10.1109/time.2003.1214887","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"10th International Symposium on Temporal Representation and Reasoning, 2003 and Fourth International Conference on Temporal Logic. Proceedings.","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/A5082669031","display_name":"P\u00e9ter R\u00e9v\u00e9sz","orcid":"https://orcid.org/0000-0002-1145-1283"},"institutions":[{"id":"https://openalex.org/I114395901","display_name":"University of Nebraska\u2013Lincoln","ror":"https://ror.org/043mer456","country_code":"US","type":"education","lineage":["https://openalex.org/I114395901"]},{"id":"https://openalex.org/I33821262","display_name":"Lincoln University - Pennsylvania","ror":"https://ror.org/0521rfb23","country_code":"US","type":"education","lineage":["https://openalex.org/I33821262"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"P. Revesz","raw_affiliation_strings":["Computer Science and Engineering Department, University of Nebraska, Lincoln, Lincolnshire, NE, USA","[Dept. of Comput. Sci. & Eng., Nebraska-Lincoln Univ., Lincoln, NE, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science and Engineering Department, University of Nebraska, Lincoln, Lincolnshire, NE, USA","institution_ids":["https://openalex.org/I114395901"]},{"raw_affiliation_string":"[Dept. of Comput. Sci. & Eng., Nebraska-Lincoln Univ., Lincoln, NE, USA]","institution_ids":["https://openalex.org/I33821262"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100419295","display_name":"Yi Chen","orcid":"https://orcid.org/0000-0003-4099-2684"},"institutions":[{"id":"https://openalex.org/I114395901","display_name":"University of Nebraska\u2013Lincoln","ror":"https://ror.org/043mer456","country_code":"US","type":"education","lineage":["https://openalex.org/I114395901"]},{"id":"https://openalex.org/I33821262","display_name":"Lincoln University - Pennsylvania","ror":"https://ror.org/0521rfb23","country_code":"US","type":"education","lineage":["https://openalex.org/I33821262"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yi Chen","raw_affiliation_strings":["Computer Science and Engineering Department, University of Nebraska, Lincoln, Lincolnshire, NE, USA","[Dept. of Comput. Sci. & Eng., Nebraska-Lincoln Univ., Lincoln, NE, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science and Engineering Department, University of Nebraska, Lincoln, Lincolnshire, NE, USA","institution_ids":["https://openalex.org/I114395901"]},{"raw_affiliation_string":"[Dept. of Comput. Sci. & Eng., Nebraska-Lincoln Univ., Lincoln, NE, USA]","institution_ids":["https://openalex.org/I33821262"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8157,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.85893604,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"1777","issue":null,"first_page":"118","last_page":"127"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":1.0,"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":1.0,"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/T11596","display_name":"Constraint Satisfaction and Optimization","score":0.9907000064849854,"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/T10757","display_name":"Geographic Information Systems Studies","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.6617264747619629},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.6185293197631836},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5615062117576599},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5610929131507874},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.5533374547958374},{"id":"https://openalex.org/keywords/piecewise","display_name":"Piecewise","score":0.5275782346725464},{"id":"https://openalex.org/keywords/point-location","display_name":"Point location","score":0.4906069338321686},{"id":"https://openalex.org/keywords/computational-geometry","display_name":"Computational geometry","score":0.4863279461860657},{"id":"https://openalex.org/keywords/real-line","display_name":"Real line","score":0.4546625018119812},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4384477436542511},{"id":"https://openalex.org/keywords/binary-logarithm","display_name":"Binary logarithm","score":0.4383813142776489},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.42868366837501526},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41153275966644287},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3287661671638489},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.23371440172195435},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.09731695055961609}],"concepts":[{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.6617264747619629},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.6185293197631836},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5615062117576599},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5610929131507874},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.5533374547958374},{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.5275782346725464},{"id":"https://openalex.org/C186750021","wikidata":"https://www.wikidata.org/wiki/Q7208210","display_name":"Point location","level":3,"score":0.4906069338321686},{"id":"https://openalex.org/C29123130","wikidata":"https://www.wikidata.org/wiki/Q874709","display_name":"Computational geometry","level":2,"score":0.4863279461860657},{"id":"https://openalex.org/C75432250","wikidata":"https://www.wikidata.org/wiki/Q29654355","display_name":"Real line","level":2,"score":0.4546625018119812},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4384477436542511},{"id":"https://openalex.org/C63553672","wikidata":"https://www.wikidata.org/wiki/Q581168","display_name":"Binary logarithm","level":2,"score":0.4383813142776489},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.42868366837501526},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41153275966644287},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3287661671638489},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.23371440172195435},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09731695055961609},{"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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":1,"locations":[{"id":"doi:10.1109/time.2003.1214887","is_oa":false,"landing_page_url":"https://doi.org/10.1109/time.2003.1214887","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"10th International Symposium on Temporal Representation and Reasoning, 2003 and Fourth International Conference on Temporal Logic. Proceedings.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W115724797","https://openalex.org/W1488652078","https://openalex.org/W1532667386","https://openalex.org/W1596887828","https://openalex.org/W1964691748","https://openalex.org/W1965204542","https://openalex.org/W1979207937","https://openalex.org/W1982042357","https://openalex.org/W1996765667","https://openalex.org/W2005314985","https://openalex.org/W2043570370","https://openalex.org/W2072540320","https://openalex.org/W2086474457","https://openalex.org/W2101429492","https://openalex.org/W2123575007","https://openalex.org/W2128703518","https://openalex.org/W2131634374","https://openalex.org/W2138764872","https://openalex.org/W2149906774","https://openalex.org/W2159869511","https://openalex.org/W2639114357","https://openalex.org/W2911302472","https://openalex.org/W2911521611","https://openalex.org/W3120205898","https://openalex.org/W4206231591","https://openalex.org/W4214494916","https://openalex.org/W4235042979","https://openalex.org/W4246140018","https://openalex.org/W6604686146","https://openalex.org/W6609400226","https://openalex.org/W6644843924"],"related_works":["https://openalex.org/W2962921410","https://openalex.org/W1987108959","https://openalex.org/W3021181284","https://openalex.org/W1974844978","https://openalex.org/W2135575239","https://openalex.org/W2168320878","https://openalex.org/W3037561104","https://openalex.org/W2006532247","https://openalex.org/W2199106736","https://openalex.org/W2003754801"],"abstract_inverted_index":{"We":[0],"study":[1],"two":[2,86],"types":[3],"of":[4,21,46,68,117,122,139],"aggregation":[5],"queries":[6,61],"over":[7],"a":[8,29,34,54,174],"set":[9],"S":[10,24,49,126],"moving":[11,118,128],"point":[12,31,56],"objects.":[13],"The":[14,38],"first":[15,77],"asks":[16,40],"to":[17,41],"count":[18,149],"the":[19,43,66,76,115,123,132,136,148,162,170,188],"number":[20,45,116,138],"points":[22,47,124],"in":[23,48,65,125,151,187],"that":[25,50,176,197],"are":[26,51],"dominated":[27,52],"by":[28,53],"query":[30,55,78,150],"Q":[32],"at":[33,57],"given":[35],"time":[36,95,106,156,181],"t.":[37],"second":[39,163],"find":[42],"maximum":[44],"any":[58,80],"time.":[59],"These":[60],"have":[62,199],"several":[63],"applications":[64],"area":[67],"Geographic":[69],"Information":[70],"Systems":[71],"and":[72,79,96,100,107,135,157,182],"spatiotemporal":[73],"databases.":[74],"For":[75,161],"fixed":[81],"dimension":[82],"d,":[83],"we":[84,145,172],"give":[85,173],"different":[87],"solutions,":[88],"one":[89],"using":[90,102],"O":[91,97,103,108,142,152,158,178,183],"(/spl":[92,153],"radic/":[93,154],"N)":[94,105,155,180],"(N)":[98,159],"space":[99,186],"another":[101],"(log":[104,179],"(N/sup":[109,184],"2/":[110],"space,":[111],"where":[112],"N":[113],"is":[114,127,141],"points.":[119],"When":[120],"each":[121],"piecewise":[129],"linearly":[130],"along":[131,169],"same":[133],"line":[134],"total":[137],"pieces":[140],"(N),":[143],"then":[144],"can":[146,198],"do":[147],"space.":[160],"query,":[164],"when":[165],"all":[166],"objects":[167],"move":[168],"x-axis,":[171],"solution":[175],"uses":[177],"2/)":[185],"worst":[189],"case.":[190],"Our":[191],"solutions":[192],"introduce":[193],"novel":[194],"search":[195],"structures":[196],"other":[200],"applications.":[201]},"counts_by_year":[{"year":2017,"cited_by_count":2},{"year":2014,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}