{"id":"https://openalex.org/W2901278484","doi":"https://doi.org/10.1145/3274895.3274956","title":"Parallelizing top-k frequent spatiotemporal terms computation on key-value stores","display_name":"Parallelizing top-k frequent spatiotemporal terms computation on key-value stores","publication_year":2018,"publication_date":"2018-11-06","ids":{"openalex":"https://openalex.org/W2901278484","doi":"https://doi.org/10.1145/3274895.3274956","mag":"2901278484"},"language":"en","primary_location":{"id":"doi:10.1145/3274895.3274956","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3274895.3274956","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems","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/A5020041068","display_name":"Hong Van Le","orcid":"https://orcid.org/0009-0000-6543-2494"},"institutions":[{"id":"https://openalex.org/I200475212","display_name":"The Graduate University for Advanced Studies, SOKENDAI","ror":"https://ror.org/0516ah480","country_code":"JP","type":"education","lineage":["https://openalex.org/I200475212"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Hong Van Le","raw_affiliation_strings":["SOKENDAI (The Graduate University for Advanced Studies), Japan"],"affiliations":[{"raw_affiliation_string":"SOKENDAI (The Graduate University for Advanced Studies), Japan","institution_ids":["https://openalex.org/I200475212"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087434029","display_name":"Atsuhiro Takasu","orcid":"https://orcid.org/0000-0002-9061-7949"},"institutions":[{"id":"https://openalex.org/I200475212","display_name":"The Graduate University for Advanced Studies, SOKENDAI","ror":"https://ror.org/0516ah480","country_code":"JP","type":"education","lineage":["https://openalex.org/I200475212"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atsuhiro Takasu","raw_affiliation_strings":["SOKENDAI (The Graduate University for Advanced Studies), Japan"],"affiliations":[{"raw_affiliation_string":"SOKENDAI (The Graduate University for Advanced Studies), Japan","institution_ids":["https://openalex.org/I200475212"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5020041068"],"corresponding_institution_ids":["https://openalex.org/I200475212"],"apc_list":null,"apc_paid":null,"fwci":0.3303,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.57859842,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"101","issue":null,"first_page":"476","last_page":"479"},"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9980999827384949,"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/T10538","display_name":"Data Mining Algorithms and Applications","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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":0.8741927742958069},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.7704201936721802},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.7288448214530945},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.6176405549049377},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.5307324528694153},{"id":"https://openalex.org/keywords/query-expansion","display_name":"Query expansion","score":0.456644743680954},{"id":"https://openalex.org/keywords/cluster","display_name":"Cluster (spacecraft)","score":0.4455321431159973},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.4413593113422394},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3761955797672272},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.35978078842163086},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2516523599624634},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.08699074387550354}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8741927742958069},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.7704201936721802},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.7288448214530945},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.6176405549049377},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.5307324528694153},{"id":"https://openalex.org/C99016210","wikidata":"https://www.wikidata.org/wiki/Q5488129","display_name":"Query expansion","level":2,"score":0.456644743680954},{"id":"https://openalex.org/C164866538","wikidata":"https://www.wikidata.org/wiki/Q367351","display_name":"Cluster (spacecraft)","level":2,"score":0.4455321431159973},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.4413593113422394},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3761955797672272},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.35978078842163086},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2516523599624634},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.08699074387550354},{"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/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3274895.3274956","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3274895.3274956","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1460658","https://openalex.org/W1979919780","https://openalex.org/W2020919487","https://openalex.org/W2044105912","https://openalex.org/W2071043480","https://openalex.org/W2152027521","https://openalex.org/W2434361155","https://openalex.org/W2566343010","https://openalex.org/W2612205558","https://openalex.org/W2666600683","https://openalex.org/W2794870419"],"related_works":["https://openalex.org/W2096359267","https://openalex.org/W2006459955","https://openalex.org/W2146885082","https://openalex.org/W2066605394","https://openalex.org/W1982237068","https://openalex.org/W2572349046","https://openalex.org/W2538384344","https://openalex.org/W4386051213","https://openalex.org/W185198413","https://openalex.org/W3125756434"],"abstract_inverted_index":{"We":[0,47],"study":[1],"an":[2],"efficiently":[3],"distributed":[4],"index":[5],"structure":[6],"and":[7,58,81],"parallel":[8,59],"processing":[9],"methods":[10,76],"for":[11],"a":[12,18,49,56],"top-k":[13],"frequent":[14],"spatiotemporal":[15],"terms":[16],"query,":[17],"basic":[19],"analytic":[20],"query":[21,32,45,82],"on":[22,34,68],"geo-tagged":[23,36],"social":[24,37],"data.":[25],"The":[26],"key":[27],"challenge":[28],"is":[29],"to":[30,61],"improve":[31],"performance":[33,83],"huge":[35],"datasets":[38,70],"with":[39,73,85],"minimum":[40],"storage":[41],"requirement":[42,80],"while":[43],"guaranteeing":[44],"accuracy.":[46],"propose":[48],"method":[50],"of":[51],"distributing":[52],"the":[53,63],"data":[54],"across":[55],"cluster":[57],"algorithms":[60],"process":[62],"aggregating":[64],"computation.":[65],"Experimental":[66],"results":[67],"real":[69],"showed":[71],"improvement":[72],"our":[74],"proposed":[75],"in":[77],"both":[78],"space":[79],"compared":[84],"baselines.":[86]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}