{"id":"https://openalex.org/W2566343010","doi":"https://doi.org/10.1145/2996913.2996986","title":"GeoTrend","display_name":"GeoTrend","publication_year":2016,"publication_date":"2016-10-31","ids":{"openalex":"https://openalex.org/W2566343010","doi":"https://doi.org/10.1145/2996913.2996986","mag":"2566343010"},"language":"en","primary_location":{"id":"doi:10.1145/2996913.2996986","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2996913.2996986","pdf_url":"http://dl.acm.org/ft_gateway.cfm?id=2996986&type=pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://dl.acm.org/ft_gateway.cfm?id=2996986&type=pdf","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052069452","display_name":"Amr Magdy","orcid":"https://orcid.org/0000-0001-6345-9730"},"institutions":[{"id":"https://openalex.org/I2800403580","display_name":"University of Minnesota System","ror":"https://ror.org/03grvy078","country_code":"US","type":"education","lineage":["https://openalex.org/I2800403580"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Amr Magdy","raw_affiliation_strings":["University of Minnesota"],"affiliations":[{"raw_affiliation_string":"University of Minnesota","institution_ids":["https://openalex.org/I2800403580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103509075","display_name":"Ahmed M. Aly","orcid":null},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ahmed M. Aly","raw_affiliation_strings":["Google Inc"],"affiliations":[{"raw_affiliation_string":"Google Inc","institution_ids":["https://openalex.org/I1291425158"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007454642","display_name":"Mohamed F. Mokbel","orcid":"https://orcid.org/0000-0002-6686-1757"},"institutions":[{"id":"https://openalex.org/I2800403580","display_name":"University of Minnesota System","ror":"https://ror.org/03grvy078","country_code":"US","type":"education","lineage":["https://openalex.org/I2800403580"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mohamed F. Mokbel","raw_affiliation_strings":["University of Minnesota"],"affiliations":[{"raw_affiliation_string":"University of Minnesota","institution_ids":["https://openalex.org/I2800403580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077856625","display_name":"Sameh Elnikety","orcid":"https://orcid.org/0000-0003-3478-2824"},"institutions":[{"id":"https://openalex.org/I4210164937","display_name":"Microsoft Research (United Kingdom)","ror":"https://ror.org/05k87vq12","country_code":"GB","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210164937"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sameh Elnikety","raw_affiliation_strings":["Microsoft Research"],"affiliations":[{"raw_affiliation_string":"Microsoft Research","institution_ids":["https://openalex.org/I4210164937"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102959794","display_name":"Yuxiong He","orcid":"https://orcid.org/0000-0001-8887-7752"},"institutions":[{"id":"https://openalex.org/I4210164937","display_name":"Microsoft Research (United Kingdom)","ror":"https://ror.org/05k87vq12","country_code":"GB","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210164937"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Yuxiong He","raw_affiliation_strings":["Microsoft Research"],"affiliations":[{"raw_affiliation_string":"Microsoft Research","institution_ids":["https://openalex.org/I4210164937"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024224291","display_name":"Suman Nath","orcid":"https://orcid.org/0000-0001-7813-9756"},"institutions":[{"id":"https://openalex.org/I4210164937","display_name":"Microsoft Research (United Kingdom)","ror":"https://ror.org/05k87vq12","country_code":"GB","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210164937"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Suman Nath","raw_affiliation_strings":["Microsoft Research"],"affiliations":[{"raw_affiliation_string":"Microsoft Research","institution_ids":["https://openalex.org/I4210164937"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000123743","display_name":"Walid G. Aref","orcid":"https://orcid.org/0000-0001-8169-7775"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Walid G. Aref","raw_affiliation_strings":["Purdue University"],"affiliations":[{"raw_affiliation_string":"Purdue University","institution_ids":["https://openalex.org/I219193219"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5052069452"],"corresponding_institution_ids":["https://openalex.org/I2800403580"],"apc_list":null,"apc_paid":null,"fwci":3.0549,"has_fulltext":true,"cited_by_count":25,"citation_normalized_percentile":{"value":0.92644822,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"10"},"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10757","display_name":"Geographic Information Systems Studies","score":0.9929999709129333,"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/computer-science","display_name":"Computer science","score":0.8595647811889648},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.7399624586105347},{"id":"https://openalex.org/keywords/microblogging","display_name":"Microblogging","score":0.5585127472877502},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.5291041731834412},{"id":"https://openalex.org/keywords/index","display_name":"Index (typography)","score":0.5269525647163391},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.5077027082443237},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.4956718683242798},{"id":"https://openalex.org/keywords/auxiliary-memory","display_name":"Auxiliary memory","score":0.4513123333454132},{"id":"https://openalex.org/keywords/spatial-query","display_name":"Spatial query","score":0.44000348448753357},{"id":"https://openalex.org/keywords/spatial-analysis","display_name":"Spatial analysis","score":0.4180162847042084},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3948616087436676},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3937733471393585},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.23573973774909973},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.2090890109539032},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.1613503098487854},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.120215505361557},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09152376651763916},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.08824232220649719},{"id":"https://openalex.org/keywords/sargable","display_name":"Sargable","score":0.08243992924690247}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8595647811889648},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7399624586105347},{"id":"https://openalex.org/C143275388","wikidata":"https://www.wikidata.org/wiki/Q92438","display_name":"Microblogging","level":3,"score":0.5585127472877502},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.5291041731834412},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.5269525647163391},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.5077027082443237},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.4956718683242798},{"id":"https://openalex.org/C82687282","wikidata":"https://www.wikidata.org/wiki/Q66221","display_name":"Auxiliary memory","level":2,"score":0.4513123333454132},{"id":"https://openalex.org/C172722865","wikidata":"https://www.wikidata.org/wiki/Q2302053","display_name":"Spatial query","level":5,"score":0.44000348448753357},{"id":"https://openalex.org/C159620131","wikidata":"https://www.wikidata.org/wiki/Q1938983","display_name":"Spatial analysis","level":2,"score":0.4180162847042084},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3948616087436676},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3937733471393585},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.23573973774909973},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.2090890109539032},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.1613503098487854},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.120215505361557},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09152376651763916},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.08824232220649719},{"id":"https://openalex.org/C192939062","wikidata":"https://www.wikidata.org/wiki/Q104840822","display_name":"Sargable","level":4,"score":0.08243992924690247},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.0},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2996913.2996986","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2996913.2996986","pdf_url":"http://dl.acm.org/ft_gateway.cfm?id=2996986&type=pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/2996913.2996986","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2996913.2996986","pdf_url":"http://dl.acm.org/ft_gateway.cfm?id=2996986&type=pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.5899999737739563,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G2281130305","display_name":"III: Small: Towards Spatial Database Management Systems for Flash Memory Storage","funder_award_id":"1218168","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G2608409925","display_name":"II-NEW: Research Infrastructure for Big Spatial and Temporal Data","funder_award_id":"1512877","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G3932503414","display_name":null,"funder_award_id":"III-1117766","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G5306227729","display_name":null,"funder_award_id":"IIS-0952977, IIS-1218168, IIS-1525953, CNS-1512877","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6385637201","display_name":"III: Small: On the Conceptual Evaluation and Optimization of Queries in Spatiotemporal Data Systems","funder_award_id":"1117766","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6497305885","display_name":null,"funder_award_id":"IIS-1218168","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6725638514","display_name":"CAREER: Extensible Personalization of Spatial and Spatio-temporal Database Management Systems","funder_award_id":"0952977","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G848032724","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320308943","display_name":"Microsoft Research","ror":"https://ror.org/00d0nc645"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2566343010.pdf","grobid_xml":"https://content.openalex.org/works/W2566343010.grobid-xml"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W139562302","https://openalex.org/W1514461580","https://openalex.org/W1540310433","https://openalex.org/W1546365363","https://openalex.org/W1967450521","https://openalex.org/W1979931661","https://openalex.org/W1996748299","https://openalex.org/W1996765667","https://openalex.org/W1998032016","https://openalex.org/W2004110412","https://openalex.org/W2004154913","https://openalex.org/W2008196645","https://openalex.org/W2018165284","https://openalex.org/W2020360881","https://openalex.org/W2023578311","https://openalex.org/W2031517258","https://openalex.org/W2052635433","https://openalex.org/W2055483934","https://openalex.org/W2067219739","https://openalex.org/W2069980026","https://openalex.org/W2071043480","https://openalex.org/W2071080574","https://openalex.org/W2072540320","https://openalex.org/W2102764191","https://openalex.org/W2110727491","https://openalex.org/W2112128729","https://openalex.org/W2118110552","https://openalex.org/W2125761757","https://openalex.org/W2134206624","https://openalex.org/W2149510050","https://openalex.org/W2152027521","https://openalex.org/W2152637787","https://openalex.org/W2165281565","https://openalex.org/W2166290564","https://openalex.org/W2200482854","https://openalex.org/W2231703831","https://openalex.org/W2434361155","https://openalex.org/W2911988977","https://openalex.org/W6676770959"],"related_works":["https://openalex.org/W2122098189","https://openalex.org/W4251016002","https://openalex.org/W2364189591","https://openalex.org/W2427751400","https://openalex.org/W2007766622","https://openalex.org/W3164536327","https://openalex.org/W2019468830","https://openalex.org/W2358133679","https://openalex.org/W3142103196","https://openalex.org/W2380866261"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"GeoTrend;":[3],"a":[4,57,80,175],"system":[5,76,189],"for":[6],"scalable":[7],"support":[8,121,218],"of":[9,59,83,172,215,221,229],"spatial":[10,41,111,129,158,209],"trend":[11],"discovery":[12],"on":[13,202],"recent":[14,68],"microblogs,":[15],"e.g.,":[16,43],"tweets":[17],"and":[18,73,113,139,206,232],"online":[19],"reviews,":[20],"that":[21,51,61,98,105,131,142,161,187],"come":[22],"in":[23,32,39,86,156],"real":[24,203],"time.":[25],"GeoTrend":[26,93,125,216],"is":[27,132,143,179],"distinguished":[28],"from":[29],"existing":[30],"techniques":[31],"three":[33],"aspects:":[34],"(1)":[35],"It":[36,47,66],"discovers":[37],"trends":[38],"arbitrary":[40,110],"regions,":[42],"city":[44],"blocks.":[45],"(2)":[46],"supports":[48],"trending":[49,54,102],"measures":[50],"effectively":[52],"capture":[53],"items":[55],"under":[56,239],"variety":[58],"definitions":[60],"suit":[62],"different":[63,157],"applications.":[64],"(3)":[65],"promotes":[67],"microblogs":[69],"as":[70],"first-class":[71],"citizens":[72],"optimizes":[74],"its":[75,122],"components":[77],"to":[78,134,181,217,223],"digest":[79,136],"continuous":[81],"flow":[82],"fast":[84],"data":[85,91,138,141],"main-memory":[87,176],"while":[88],"removing":[89],"old":[90],"efficiently.":[92],"queries":[94,97,123,163,211],"are":[95,106],"top-k":[96,154],"discover":[99],"the":[100,115,145,188,213],"most":[101],"k":[103],"keywords":[104,155],"posted":[107],"within":[108],"an":[109,127],"region":[112],"during":[114],"last":[116,146],"T":[117,147],"time":[118,148],"units.":[119,149],"To":[120],"efficiently,":[124],"employs":[126],"in-memory":[128],"index":[130,151],"able":[133],"efficiently":[135],"incoming":[137,162],"expire":[140],"beyond":[144],"The":[150],"also":[152],"materializes":[153],"regions":[159],"so":[160,186],"can":[164],"be":[165],"processed":[166],"with":[167,195],"low":[168],"latency.":[169],"In":[170],"case":[171],"peak":[173],"times,":[174],"optimization":[177],"technique":[178],"employed":[180],"shed":[182],"less":[183],"important":[184],"data,":[185],"still":[190],"sustains":[191],"high":[192],"query":[193,227,236],"accuracy":[194,237],"limited":[196,240],"memory":[197,241],"resources.":[198,242],"Experimental":[199],"results":[200],"based":[201],"Twitter":[204],"feed":[205],"Bing":[207],"Mobile":[208],"search":[210],"show":[212],"scalability":[214],"arrival":[219],"rates":[220],"up":[222],"50,000":[224],"microblog/second,":[225],"average":[226],"latency":[228],"3":[230],"milli-seconds,":[231],"at":[233],"least":[234],"90+%":[235],"even":[238]},"counts_by_year":[{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":8},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":4}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2017-01-06T00:00:00"}
