{"id":"https://openalex.org/W3046110509","doi":"https://doi.org/10.1145/3406971.3406980","title":"Hierarchical and Compact Bitmap Based Data Structure of Human Dynamics Data for Visualization","display_name":"Hierarchical and Compact Bitmap Based Data Structure of Human Dynamics Data for Visualization","publication_year":2020,"publication_date":"2020-06-26","ids":{"openalex":"https://openalex.org/W3046110509","doi":"https://doi.org/10.1145/3406971.3406980","mag":"3046110509"},"language":"en","primary_location":{"id":"doi:10.1145/3406971.3406980","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3406971.3406980","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2020 The 4th International Conference on Graphics and Signal Processing","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/A5079940782","display_name":"Hideaki Kimata","orcid":"https://orcid.org/0000-0003-1287-6862"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideaki Kimata","raw_affiliation_strings":["NTT Media Intelligence Laboratories, NTT Corporation, Yokosuka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Media Intelligence Laboratories, NTT Corporation, Yokosuka, Japan","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017320951","display_name":"Xiaojun Wu","orcid":"https://orcid.org/0000-0002-3809-6832"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Wu Xiaojun","raw_affiliation_strings":["NTT Media Intelligence Laboratories, NTT Corporation, Yokosuka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Media Intelligence Laboratories, NTT Corporation, Yokosuka, Japan","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060947560","display_name":"Ryuichi Tanida","orcid":"https://orcid.org/0000-0002-5379-3150"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryuichi Tanida","raw_affiliation_strings":["NTT Media Intelligence Laboratories, NTT Corporation, Yokosuka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Media Intelligence Laboratories, NTT Corporation, Yokosuka, Japan","institution_ids":["https://openalex.org/I2251713219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I2251713219"],"apc_list":null,"apc_paid":null,"fwci":0.514,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.59765977,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":null,"issue":null,"first_page":"98","last_page":"102"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9948999881744385,"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"}},"topics":[{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9948999881744385,"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/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9929999709129333,"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"}},{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9843000173568726,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7719821929931641},{"id":"https://openalex.org/keywords/byte","display_name":"Byte","score":0.5933644771575928},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.5904173851013184},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.5850425958633423},{"id":"https://openalex.org/keywords/data-visualization","display_name":"Data visualization","score":0.5786184072494507},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5428332090377808},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.5324951410293579},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5160226821899414},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.49986767768859863},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.45434802770614624},{"id":"https://openalex.org/keywords/external-data-representation","display_name":"External Data Representation","score":0.43161508440971375},{"id":"https://openalex.org/keywords/bitmap","display_name":"Bitmap","score":0.4306563436985016},{"id":"https://openalex.org/keywords/human-dynamics","display_name":"Human dynamics","score":0.4243006408214569},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.414998859167099},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.28036636114120483},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.23434126377105713}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7719821929931641},{"id":"https://openalex.org/C43364308","wikidata":"https://www.wikidata.org/wiki/Q8799","display_name":"Byte","level":2,"score":0.5933644771575928},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.5904173851013184},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.5850425958633423},{"id":"https://openalex.org/C172367668","wikidata":"https://www.wikidata.org/wiki/Q6504956","display_name":"Data visualization","level":3,"score":0.5786184072494507},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5428332090377808},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.5324951410293579},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5160226821899414},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.49986767768859863},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.45434802770614624},{"id":"https://openalex.org/C116409475","wikidata":"https://www.wikidata.org/wiki/Q1385056","display_name":"External Data Representation","level":2,"score":0.43161508440971375},{"id":"https://openalex.org/C3115412","wikidata":"https://www.wikidata.org/wiki/Q1194708","display_name":"Bitmap","level":2,"score":0.4306563436985016},{"id":"https://openalex.org/C151915977","wikidata":"https://www.wikidata.org/wiki/Q5937740","display_name":"Human dynamics","level":2,"score":0.4243006408214569},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.414998859167099},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.28036636114120483},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.23434126377105713},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","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/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","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},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3406971.3406980","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3406971.3406980","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2020 The 4th International Conference on Graphics and Signal Processing","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":12,"referenced_works":["https://openalex.org/W1966064103","https://openalex.org/W1971065220","https://openalex.org/W2045229152","https://openalex.org/W2087070363","https://openalex.org/W2154851992","https://openalex.org/W2186295243","https://openalex.org/W2240434622","https://openalex.org/W2250793904","https://openalex.org/W2256578114","https://openalex.org/W2322342856","https://openalex.org/W2600015858","https://openalex.org/W3104097132"],"related_works":["https://openalex.org/W2053562648","https://openalex.org/W1704989917","https://openalex.org/W2355440279","https://openalex.org/W1989329634","https://openalex.org/W2097844351","https://openalex.org/W1602712053","https://openalex.org/W2804175851","https://openalex.org/W2144921123","https://openalex.org/W2531660186","https://openalex.org/W4248762140"],"abstract_inverted_index":{"Analysis":[0],"and":[1,18,43,57,80,110],"prediction":[2],"of":[3,27,40,51,61,88],"human":[4,53,117],"dynamics":[5,118],"are":[6],"key":[7],"technologies":[8],"to":[9,46,90],"evolve":[10],"various":[11],"services":[12],"for":[13,98],"cognizing":[14],"real":[15],"world":[16],"events,":[17],"they":[19],"have":[20,35],"been":[21,36,64],"intensively":[22],"studied":[23],"in":[24,38],"the":[25],"field":[26],"data":[28,62,68,89,96,102],"science.":[29],"Technologies":[30],"that":[31,69,103,113],"support":[32],"such":[33,84],"studies":[34],"advanced,":[37],"fields":[39],"sensing,":[41],"analysis,":[42],"database.":[44],"Thanks":[45],"recent":[47],"sensing":[48,52],"technologies,":[49],"precision":[50],"movement":[54],"is":[55,63],"increasing,":[56],"a":[58,71,85,105],"large":[59,73,86],"amount":[60,87],"generated":[65],"continuously.":[66],"Accordingly":[67],"indicate":[70],"very":[72],"population":[74],"can":[75,114],"be":[76,91],"efficiently":[77,115],"collected,":[78],"stored":[79],"visualized.":[81],"To":[82],"enable":[83],"visualized":[92],"quickly,":[93],"we":[94],"propose":[95],"structure":[97,112],"two":[99],"dimensional":[100],"space":[101],"has":[104],"compact":[106],"one":[107],"byte":[108],"representation":[109],"hierarchical":[111],"handle":[116],"data.":[119]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}