{"id":"https://openalex.org/W2988110532","doi":"https://doi.org/10.1145/3347146.3359091","title":"The Maximum Visibility Facility Selection Query in Spatial Databases","display_name":"The Maximum Visibility Facility Selection Query in Spatial Databases","publication_year":2019,"publication_date":"2019-11-05","ids":{"openalex":"https://openalex.org/W2988110532","doi":"https://doi.org/10.1145/3347146.3359091","mag":"2988110532"},"language":"en","primary_location":{"id":"doi:10.1145/3347146.3359091","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3347146.3359091","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 27th 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/A5087327393","display_name":"Ishat E Rabban","orcid":null},"institutions":[{"id":"https://openalex.org/I183697816","display_name":"Bangladesh University of Engineering and Technology","ror":"https://ror.org/05a1qpv97","country_code":"BD","type":"education","lineage":["https://openalex.org/I183697816"]}],"countries":["BD"],"is_corresponding":true,"raw_author_name":"Ishat E. Rabban","raw_affiliation_strings":["BUET, Dhaka, Bangladesh"],"affiliations":[{"raw_affiliation_string":"BUET, Dhaka, Bangladesh","institution_ids":["https://openalex.org/I183697816"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000819439","display_name":"Mohammed Eunus Ali","orcid":"https://orcid.org/0000-0002-0384-7616"},"institutions":[{"id":"https://openalex.org/I183697816","display_name":"Bangladesh University of Engineering and Technology","ror":"https://ror.org/05a1qpv97","country_code":"BD","type":"education","lineage":["https://openalex.org/I183697816"]}],"countries":["BD"],"is_corresponding":false,"raw_author_name":"Mohammed E. Ali","raw_affiliation_strings":["BUET, Dhaka, Bangladesh"],"affiliations":[{"raw_affiliation_string":"BUET, Dhaka, Bangladesh","institution_ids":["https://openalex.org/I183697816"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047549903","display_name":"Muhammad Aamir Cheema","orcid":"https://orcid.org/0000-0003-2139-9121"},"institutions":[{"id":"https://openalex.org/I56590836","display_name":"Monash University","ror":"https://ror.org/02bfwt286","country_code":"AU","type":"education","lineage":["https://openalex.org/I56590836"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Muhammad A. Cheema","raw_affiliation_strings":["Monash University, Australia"],"affiliations":[{"raw_affiliation_string":"Monash University, Australia","institution_ids":["https://openalex.org/I56590836"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091770970","display_name":"Tanzima Hashem","orcid":"https://orcid.org/0000-0003-1288-5785"},"institutions":[{"id":"https://openalex.org/I183697816","display_name":"Bangladesh University of Engineering and Technology","ror":"https://ror.org/05a1qpv97","country_code":"BD","type":"education","lineage":["https://openalex.org/I183697816"]}],"countries":["BD"],"is_corresponding":false,"raw_author_name":"Tanzima Hashem","raw_affiliation_strings":["BUET, Dhaka, Bangladesh"],"affiliations":[{"raw_affiliation_string":"BUET, Dhaka, Bangladesh","institution_ids":["https://openalex.org/I183697816"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5087327393"],"corresponding_institution_ids":["https://openalex.org/I183697816"],"apc_list":null,"apc_paid":null,"fwci":0.5829,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.75439725,"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":"149","last_page":"158"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T12546","display_name":"Smart Parking Systems Research","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9945999979972839,"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":0.6949364542961121},{"id":"https://openalex.org/keywords/visibility","display_name":"Visibility","score":0.6679660677909851},{"id":"https://openalex.org/keywords/facility-location-problem","display_name":"Facility location problem","score":0.619619607925415},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.5965534448623657},{"id":"https://openalex.org/keywords/visibility-graph","display_name":"Visibility graph","score":0.5902594327926636},{"id":"https://openalex.org/keywords/discretization","display_name":"Discretization","score":0.542816162109375},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.5268914699554443},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.506440281867981},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.46371129155158997},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4551740288734436},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.45238733291625977},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.4191816449165344},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.4064560532569885},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3743760585784912},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.33585822582244873},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.31483978033065796},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3086247444152832},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1726512610912323}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6949364542961121},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.6679660677909851},{"id":"https://openalex.org/C108005400","wikidata":"https://www.wikidata.org/wiki/Q1305598","display_name":"Facility location problem","level":2,"score":0.619619607925415},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.5965534448623657},{"id":"https://openalex.org/C173362246","wikidata":"https://www.wikidata.org/wiki/Q8216024","display_name":"Visibility graph","level":3,"score":0.5902594327926636},{"id":"https://openalex.org/C73000952","wikidata":"https://www.wikidata.org/wiki/Q17007827","display_name":"Discretization","level":2,"score":0.542816162109375},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.5268914699554443},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.506440281867981},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.46371129155158997},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4551740288734436},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.45238733291625977},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.4191816449165344},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.4064560532569885},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3743760585784912},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.33585822582244873},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.31483978033065796},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3086247444152832},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1726512610912323},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"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},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3347146.3359091","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3347146.3359091","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.7699999809265137}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1545159566","https://openalex.org/W1559385249","https://openalex.org/W1680189815","https://openalex.org/W1973311212","https://openalex.org/W1974757757","https://openalex.org/W1974988574","https://openalex.org/W1992899779","https://openalex.org/W2023355116","https://openalex.org/W2024363250","https://openalex.org/W2025372380","https://openalex.org/W2058040501","https://openalex.org/W2119299581","https://openalex.org/W2128738941","https://openalex.org/W2150313237","https://openalex.org/W2166747465","https://openalex.org/W4300580414"],"related_works":["https://openalex.org/W2743652671","https://openalex.org/W3188793535","https://openalex.org/W1973529814","https://openalex.org/W1509863433","https://openalex.org/W2032709970","https://openalex.org/W2810411596","https://openalex.org/W2499461890","https://openalex.org/W2066813664","https://openalex.org/W1854155592","https://openalex.org/W1991566967"],"abstract_inverted_index":{"Given":[0],"a":[1,10,84,113,154,202,214],"set":[2,11],"of":[3,12,31,41,65,112,135,149,156,164,180,188,206,217,233],"obstacles":[4,218],"in":[5,53,62,121],"2D":[6],"or":[7,116],"3D":[8],"space,":[9],"n":[13,33],"candidate":[14],"locations":[15],"where":[16],"facilities":[17],"can":[18],"be":[19],"established,":[20],"the":[21,32,37,42,46,63,93,122,128,133,140,146,157,162,166,178,189,195,229],"Maximum":[22],"Visibility":[23],"Facility":[24],"Selection":[25],"(MVFS)":[26],"query":[27],"finds":[28],"k":[29],"out":[30],"locations,":[34,159],"that":[35,176,210],"yield":[36],"maximum":[38],"visibility":[39,126,147],"coverage":[40,148],"data":[43,151,167],"space.":[44,168],"Though":[45],"MVFS":[47,81,94,190],"problem":[48,95],"has":[49],"been":[50],"extensively":[51],"studied":[52],"visual":[54],"sensor":[55],"networks,":[56],"computational":[57],"geometry,":[58],"and":[59,77,219,231],"computer":[60],"vision":[61],"form":[64],"optimal":[66],"camera":[67],"placement":[68],"problem,":[69],"existing":[70],"solutions":[71],"are":[72],"designed":[73],"for":[74,80,183,213],"discretized":[75],"space":[76,152],"only":[78],"work":[79],"instances":[82],"having":[83],"few":[85],"hundred":[86],"facilities.":[87],"In":[88],"this":[89],"paper,":[90],"we":[91,170,193],"revisit":[92],"to":[96,104,108,118,124,138,143,227],"support":[97],"new":[98],"spatial":[99],"database":[100],"applications":[101],"like":[102],"\"where":[103,117],"place":[105,119],"security":[106],"cameras":[107],"ensure":[109],"better":[110],"surveillance":[111],"building":[114],"complex?\"":[115],"billboards":[120],"city":[123],"maximize":[125],"from":[127,153],"surrounding":[129],"space?\".":[130],"We":[131,222],"introduce":[132],"concept":[134],"equivisibility":[136],"triangulation":[137],"devise":[139],"first":[141,196],"approach":[142,175],"accurately":[144],"determine":[145],"continuous":[150],"subset":[155],"facility":[158,220],"which":[160],"avoids":[161],"limitations":[163],"discretizing":[165],"Then,":[169],"propose":[171,194],"an":[172],"efficient":[173,184],"graph-theoretic":[174],"exploits":[177],"idea":[179],"vertex":[181],"separators":[182],"exact":[185],"in-memory":[186],"solution":[187],"problem.":[191],"Finally,":[192],"external-memory":[197],"based":[198],"approximation":[199,204],"algorithm":[200],"(with":[201],"guaranteed":[203],"ratio":[205],"1":[207],"-":[208],"1/e)":[209],"is":[211],"scalable":[212],"large":[215],"number":[216],"locations.":[221],"conduct":[223],"extensive":[224],"experimental":[225],"study":[226],"show":[228],"effectiveness":[230],"efficiency":[232],"our":[234],"proposed":[235],"algorithms.":[236]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}