{"id":"https://openalex.org/W2065732902","doi":"https://doi.org/10.1016/s0020-0190(01)00255-1","title":"Approximation algorithms for terrain guarding","display_name":"Approximation algorithms for terrain guarding","publication_year":2002,"publication_date":"2002-04-01","ids":{"openalex":"https://openalex.org/W2065732902","doi":"https://doi.org/10.1016/s0020-0190(01)00255-1","mag":"2065732902"},"language":"en","primary_location":{"id":"doi:10.1016/s0020-0190(01)00255-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0020-0190(01)00255-1","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information Processing Letters","raw_type":"journal-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/A5073911119","display_name":"Stephan Eidenbenz","orcid":"https://orcid.org/0000-0002-2628-1854"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"Stephan Eidenbenz","raw_affiliation_strings":["Institute for Theoretical Computer Science, ETH Zentrum, 8092 Zurich, Switzerland","Institute for Theoretical Computer Science, ETH Zentrum, 8092 Zurich, Switzerland#TAB#"],"affiliations":[{"raw_affiliation_string":"Institute for Theoretical Computer Science, ETH Zentrum, 8092 Zurich, Switzerland","institution_ids":["https://openalex.org/I35440088"]},{"raw_affiliation_string":"Institute for Theoretical Computer Science, ETH Zentrum, 8092 Zurich, Switzerland#TAB#","institution_ids":["https://openalex.org/I35440088"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5073911119"],"corresponding_institution_ids":["https://openalex.org/I35440088"],"apc_list":{"value":2200,"currency":"USD","value_usd":2200},"apc_paid":null,"fwci":3.8145,"has_fulltext":false,"cited_by_count":66,"citation_normalized_percentile":{"value":0.92830268,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"82","issue":"2","first_page":"99","last_page":"105"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9997000098228455,"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":0.9997000098228455,"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/T10586","display_name":"Robotic Path Planning Algorithms","score":0.9987000226974487,"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/T10246","display_name":"Mobile Ad Hoc Networks","score":0.9937000274658203,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.650188148021698},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5913266539573669},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5625895857810974},{"id":"https://openalex.org/keywords/analysis-of-algorithms","display_name":"Analysis of algorithms","score":0.4264163076877594},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.10593220591545105},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.0830429196357727}],"concepts":[{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.650188148021698},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5913266539573669},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5625895857810974},{"id":"https://openalex.org/C64731005","wikidata":"https://www.wikidata.org/wiki/Q333464","display_name":"Analysis of algorithms","level":2,"score":0.4264163076877594},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.10593220591545105},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0830429196357727}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0020-0190(01)00255-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0020-0190(01)00255-1","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information Processing Letters","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.7.3438","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.7.3438","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.inf.ethz.ch/personal/eidenben/publications/eidenbenz_ipl2002.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.5400000214576721,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W165489311","https://openalex.org/W1479913796","https://openalex.org/W1481943519","https://openalex.org/W1502010969","https://openalex.org/W1550864123","https://openalex.org/W1555471913","https://openalex.org/W1971801736","https://openalex.org/W1973307935","https://openalex.org/W2000869424","https://openalex.org/W2024145315","https://openalex.org/W2040924621","https://openalex.org/W2063442090","https://openalex.org/W2074915405","https://openalex.org/W2094658339","https://openalex.org/W2116854100","https://openalex.org/W2130716604","https://openalex.org/W2143996311","https://openalex.org/W2149906774","https://openalex.org/W2502636724","https://openalex.org/W2986240932","https://openalex.org/W4210521336","https://openalex.org/W6606640323","https://openalex.org/W6628592368","https://openalex.org/W6630079013","https://openalex.org/W6643524337","https://openalex.org/W6724556390"],"related_works":["https://openalex.org/W2883114411","https://openalex.org/W303980170","https://openalex.org/W2351491280","https://openalex.org/W2386767533","https://openalex.org/W2371447506","https://openalex.org/W2333698505","https://openalex.org/W1965817039","https://openalex.org/W2090068166","https://openalex.org/W2398037944","https://openalex.org/W2129889561"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}