{"id":"https://openalex.org/W1512222363","doi":"https://doi.org/10.1109/icbn.2005.1589677","title":"Approximation algorithms for two optimal location problems in sensor networks","display_name":"Approximation algorithms for two optimal location problems in sensor networks","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W1512222363","doi":"https://doi.org/10.1109/icbn.2005.1589677","mag":"1512222363"},"language":"en","primary_location":{"id":"doi:10.1109/icbn.2005.1589677","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icbn.2005.1589677","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2nd International Conference on Broadband Networks, 2005.","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/A5037980737","display_name":"Alon Efrat","orcid":"https://orcid.org/0000-0001-9834-4132"},"institutions":[{"id":"https://openalex.org/I138006243","display_name":"University of Arizona","ror":"https://ror.org/03m2x1q45","country_code":"US","type":"education","lineage":["https://openalex.org/I138006243"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A. Efrat","raw_affiliation_strings":["Dept. of Comput. Sci., Arizona Univ., USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Comput. Sci., Arizona Univ., USA","institution_ids":["https://openalex.org/I138006243"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040577923","display_name":"Sariel Har-Peled","orcid":"https://orcid.org/0000-0003-2638-9635"},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Har-Peled","raw_affiliation_strings":["University of Illinois at Urbana Champaign"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Illinois at Urbana Champaign","institution_ids":["https://openalex.org/I157725225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015247956","display_name":"Joseph S. B. Mitchell","orcid":"https://orcid.org/0000-0002-0152-2279"},"institutions":[{"id":"https://openalex.org/I4210131439","display_name":"Applied Mathematics (United States)","ror":"https://ror.org/03seew607","country_code":"US","type":"company","lineage":["https://openalex.org/I4210131439"]},{"id":"https://openalex.org/I59553526","display_name":"Stony Brook University","ror":"https://ror.org/05qghxh33","country_code":"US","type":"education","lineage":["https://openalex.org/I59553526"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J.S.B. Mitchell","raw_affiliation_strings":["Applied Mathematics & Statistics, Stony Brook University, Stony Brook, NY, USA","Stony Brook University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Applied Mathematics & Statistics, Stony Brook University, Stony Brook, NY, USA","institution_ids":["https://openalex.org/I59553526","https://openalex.org/I4210131439"]},{"raw_affiliation_string":"Stony Brook University","institution_ids":["https://openalex.org/I59553526"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.8466,"has_fulltext":false,"cited_by_count":158,"citation_normalized_percentile":{"value":0.97044308,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"714","last_page":"723 Vol. 1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10080","display_name":"Energy Efficient Wireless Sensor Networks","score":0.9994000196456909,"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"}},"topics":[{"id":"https://openalex.org/T10080","display_name":"Energy Efficient Wireless Sensor Networks","score":0.9994000196456909,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"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/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9887999892234802,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.724815845489502},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6731182336807251},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6579920053482056},{"id":"https://openalex.org/keywords/base","display_name":"Base (topology)","score":0.6518092751502991},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.6452952027320862},{"id":"https://openalex.org/keywords/obstacle","display_name":"Obstacle","score":0.6387855410575867},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.5618337392807007},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5402789115905762},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4777378439903259},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4685704708099365},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.445374071598053},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.217644602060318},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1848752498626709}],"concepts":[{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.724815845489502},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6731182336807251},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6579920053482056},{"id":"https://openalex.org/C42058472","wikidata":"https://www.wikidata.org/wiki/Q810214","display_name":"Base (topology)","level":2,"score":0.6518092751502991},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.6452952027320862},{"id":"https://openalex.org/C2776650193","wikidata":"https://www.wikidata.org/wiki/Q264661","display_name":"Obstacle","level":2,"score":0.6387855410575867},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.5618337392807007},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5402789115905762},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4777378439903259},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4685704708099365},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.445374071598053},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.217644602060318},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1848752498626709},{"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/icbn.2005.1589677","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icbn.2005.1589677","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2nd International Conference on Broadband Networks, 2005.","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.58.4928","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.58.4928","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://valis.cs.uiuc.edu/~sariel/research/papers/04/sensors/sensors.ps","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.77.3602","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.77.3602","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://valis.cs.uiuc.edu/~sariel/research/papers/04/sensors/sensors.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.78.5738","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.78.5738","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.ams.sunysb.edu/~jsbm/papers/sensors.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.88.9346","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.88.9346","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://cgw2004.csail.mit.edu/talks/28.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322252","display_name":"Israel Science Foundation","ror":"https://ror.org/04sazxf24"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1581442026","https://openalex.org/W1973307935","https://openalex.org/W1981988453","https://openalex.org/W1983765456","https://openalex.org/W2020643009","https://openalex.org/W2022671649","https://openalex.org/W2027402472","https://openalex.org/W2081817049","https://openalex.org/W2094658339","https://openalex.org/W2104846640","https://openalex.org/W2112577636","https://openalex.org/W2121255383","https://openalex.org/W2122845873","https://openalex.org/W2145417574","https://openalex.org/W2165903656","https://openalex.org/W2168452204","https://openalex.org/W2502636724","https://openalex.org/W2986240932","https://openalex.org/W3023768696","https://openalex.org/W6634767235","https://openalex.org/W6670627065"],"related_works":["https://openalex.org/W2794103424","https://openalex.org/W1996530509","https://openalex.org/W3028317537","https://openalex.org/W2389515972","https://openalex.org/W4245435724","https://openalex.org/W2055301889","https://openalex.org/W4400979532","https://openalex.org/W2376554934","https://openalex.org/W2077790809","https://openalex.org/W1505959757"],"abstract_inverted_index":{"This":[0],"paper":[1],"study":[2,75],"two":[3,152],"problems":[4,79],"that":[5,93,146,154,161,169],"arise":[6],"in":[7,64,133],"optimization":[8],"of":[9,30,33,70,83,130],"sensor":[10,77,104],"networks:":[11],"First,":[12],"we":[13,74],"devise":[14],"provable":[15],"approximation":[16],"schemes":[17],"for":[18,80],"locating":[19],"a":[20,25,28,36,62,95,171],"base":[21,43,58],"station":[22,59],"and":[23,60],"constructing":[24],"network":[26,63],"among":[27],"set":[29],"sensors":[31,131,153,168],"each":[32,137,147,162],"which":[34],"has":[35],"data":[37],"stream":[38],"to":[39,41,46,55,66,105,126,135,142],"get":[40],"the":[42,50,57,68,71,99,103,123,128,174],"station.":[44],"Subject":[45],"power":[47],"constraints":[48],"at":[49,156],"sensors,":[51,92,122],"our":[52],"goal":[53,124],"is":[54,125,149,164],"locate":[56],"establish":[61],"order":[65,134],"maximize":[67],"lifespan":[69],"network.":[72],"Second,":[73],"optimal":[76],"placement":[78],"quality":[81],"coverage":[82],"given":[84],"domains":[85],"cluttered":[86],"with":[87],"obstacles.":[88],"We":[89],"assume":[90],"\"line-of-site\",":[91],"sense":[94],"point":[96,107,138,148,163],"only":[97],"if":[98],"straight":[100],"segment":[101],"connecting":[102],"this":[106],"(the":[108],"\"line-of-site\")":[109],"does":[110],"not":[111],"cross":[112],"any":[113],"obstacle.":[114],"so":[115],"obstacles":[116],"occludes":[117],"area":[118],"from":[119],"using":[120],"line-of-site":[121],"minimize":[127],"number":[129],"required":[132],"have":[136],"\"well":[139],"covered\"":[140],"according":[141],"precise":[143],"criteria":[144],"(e.g.,":[145],"seen":[150,165],"by":[151,166],"form":[155,170],"least":[157],"angle":[158],"a,":[159],"or":[160],"three":[167],"triangle":[172],"containing":[173],"point).":[175]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":13},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":10}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
