{"id":"https://openalex.org/W1485275012","doi":"https://doi.org/10.1007/978-3-540-69733-6_59","title":"On Some City Guarding Problems","display_name":"On Some City Guarding Problems","publication_year":2008,"publication_date":"2008-08-12","ids":{"openalex":"https://openalex.org/W1485275012","doi":"https://doi.org/10.1007/978-3-540-69733-6_59","mag":"1485275012"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-540-69733-6_59","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-69733-6_59","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5050994957","display_name":"Lichen Bao","orcid":null},"institutions":[{"id":"https://openalex.org/I162577319","display_name":"The University of Texas at Dallas","ror":"https://ror.org/049emcs32","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Lichen Bao","raw_affiliation_strings":["Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA","Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, USA TX 75080"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA","institution_ids":["https://openalex.org/I162577319"]},{"raw_affiliation_string":"Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, USA TX 75080","institution_ids":["https://openalex.org/I162577319"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035977878","display_name":"Sergey Bereg","orcid":"https://orcid.org/0000-0002-2866-6766"},"institutions":[{"id":"https://openalex.org/I162577319","display_name":"The University of Texas at Dallas","ror":"https://ror.org/049emcs32","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sergey Bereg","raw_affiliation_strings":["Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA","Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, USA TX 75080"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA","institution_ids":["https://openalex.org/I162577319"]},{"raw_affiliation_string":"Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, USA TX 75080","institution_ids":["https://openalex.org/I162577319"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078438902","display_name":"Ovidiu Daescu","orcid":"https://orcid.org/0000-0002-0278-4174"},"institutions":[{"id":"https://openalex.org/I162577319","display_name":"The University of Texas at Dallas","ror":"https://ror.org/049emcs32","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ovidiu Daescu","raw_affiliation_strings":["Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA","Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, USA TX 75080"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA","institution_ids":["https://openalex.org/I162577319"]},{"raw_affiliation_string":"Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, USA TX 75080","institution_ids":["https://openalex.org/I162577319"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010170603","display_name":"Simeon Ntafos","orcid":null},"institutions":[{"id":"https://openalex.org/I162577319","display_name":"The University of Texas at Dallas","ror":"https://ror.org/049emcs32","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Simeon Ntafos","raw_affiliation_strings":["Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA","Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, USA TX 75080"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA","institution_ids":["https://openalex.org/I162577319"]},{"raw_affiliation_string":"Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, USA TX 75080","institution_ids":["https://openalex.org/I162577319"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102760907","display_name":"Junqiang Zhou","orcid":"https://orcid.org/0000-0001-5393-4841"},"institutions":[{"id":"https://openalex.org/I162577319","display_name":"The University of Texas at Dallas","ror":"https://ror.org/049emcs32","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Junqiang Zhou","raw_affiliation_strings":["Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA","Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, USA TX 75080"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA","institution_ids":["https://openalex.org/I162577319"]},{"raw_affiliation_string":"Department of Computer Science Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, USA TX 75080","institution_ids":["https://openalex.org/I162577319"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5050994957"],"corresponding_institution_ids":["https://openalex.org/I162577319"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.06108202,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"600","last_page":"610"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9993000030517578,"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":0.9993000030517578,"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/T12288","display_name":"Optimization and Search Problems","score":0.9915000200271606,"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/T12546","display_name":"Smart Parking Systems Research","score":0.9801999926567078,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/guard","display_name":"Guard (computer science)","score":0.9116615056991577},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5466663241386414},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5075013041496277},{"id":"https://openalex.org/keywords/base","display_name":"Base (topology)","score":0.4672413170337677},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3544662594795227},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.32727915048599243},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.07449573278427124}],"concepts":[{"id":"https://openalex.org/C141141315","wikidata":"https://www.wikidata.org/wiki/Q2379942","display_name":"Guard (computer science)","level":2,"score":0.9116615056991577},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5466663241386414},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5075013041496277},{"id":"https://openalex.org/C42058472","wikidata":"https://www.wikidata.org/wiki/Q810214","display_name":"Base (topology)","level":2,"score":0.4672413170337677},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3544662594795227},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32727915048599243},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.07449573278427124},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-540-69733-6_59","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-69733-6_59","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.8500000238418579}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1486222768","https://openalex.org/W1548671833","https://openalex.org/W1555471913","https://openalex.org/W1595528547","https://openalex.org/W1970673729","https://openalex.org/W1998193049","https://openalex.org/W2011039300","https://openalex.org/W2038421750","https://openalex.org/W2063442090","https://openalex.org/W2063453634","https://openalex.org/W2071826698","https://openalex.org/W2082141764","https://openalex.org/W2087422927","https://openalex.org/W2094658339","https://openalex.org/W2163178194","https://openalex.org/W2242353719","https://openalex.org/W2502636724","https://openalex.org/W2986240932"],"related_works":["https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W4245490552","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W1587224694","https://openalex.org/W2042127053","https://openalex.org/W2142036596","https://openalex.org/W4238204885"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"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"}
