{"id":"https://openalex.org/W2046971645","doi":"https://doi.org/10.1080/02693799408902019","title":"Parallelizing visibility computations on triangulated terrains","display_name":"Parallelizing visibility computations on triangulated terrains","publication_year":1994,"publication_date":"1994-11-01","ids":{"openalex":"https://openalex.org/W2046971645","doi":"https://doi.org/10.1080/02693799408902019","mag":"2046971645"},"language":"en","primary_location":{"id":"doi:10.1080/02693799408902019","is_oa":false,"landing_page_url":"https://doi.org/10.1080/02693799408902019","pdf_url":null,"source":{"id":"https://openalex.org/S4210181446","display_name":"International Journal of Geographical Information Systems","issn_l":"0269-3798","issn":["0269-3798","1362-3087"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International journal of geographical information systems","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/A5018924195","display_name":"Leila De Floriani","orcid":"https://orcid.org/0000-0002-1361-2888"},"institutions":[{"id":"https://openalex.org/I83816512","display_name":"University of Genoa","ror":"https://ror.org/0107c5v14","country_code":"IT","type":"education","lineage":["https://openalex.org/I83816512"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"L. De Floriani","raw_affiliation_strings":["Dipartimento di Informatica e Scienze dell'Informazione, Universita' di Genova, Viale Benedetto XV, 3, 16132, Genova, Italy","Dipartimento di Informatica e Scienze dell'Informazione, Universit\u00e0 di Genova, Viale Benedetto XV, 3 16132 Genova, Italy#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica e Scienze dell'Informazione, Universita' di Genova, Viale Benedetto XV, 3, 16132, Genova, Italy","institution_ids":["https://openalex.org/I83816512"]},{"raw_affiliation_string":"Dipartimento di Informatica e Scienze dell'Informazione, Universit\u00e0 di Genova, Viale Benedetto XV, 3 16132 Genova, Italy#TAB#","institution_ids":["https://openalex.org/I83816512"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031490866","display_name":"C. Montani","orcid":null},"institutions":[{"id":"https://openalex.org/I4210107558","display_name":"Consorzio Pisa Ricerche","ror":"https://ror.org/01t0n3b84","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210107558"]},{"id":"https://openalex.org/I4210155236","display_name":"National Research Council","ror":"https://ror.org/04zaypm56","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"C. Montani","raw_affiliation_strings":["I.E.I., Consiglio Nazionale delle Ricerche, via Ss. Maria 46, 56126, Pisa, Italy","I.E.I., Consiglio Nazionale delle Ricerche , via Ss. Maria 46, 56126, Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"I.E.I., Consiglio Nazionale delle Ricerche, via Ss. Maria 46, 56126, Pisa, Italy","institution_ids":["https://openalex.org/I4210107558","https://openalex.org/I4210155236"]},{"raw_affiliation_string":"I.E.I., Consiglio Nazionale delle Ricerche , via Ss. Maria 46, 56126, Pisa, Italy","institution_ids":["https://openalex.org/I4210107558","https://openalex.org/I4210155236"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013546425","display_name":"Roberto Scopigno","orcid":"https://orcid.org/0000-0002-7457-7473"},"institutions":[{"id":"https://openalex.org/I4210107558","display_name":"Consorzio Pisa Ricerche","ror":"https://ror.org/01t0n3b84","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210107558"]},{"id":"https://openalex.org/I4210155236","display_name":"National Research Council","ror":"https://ror.org/04zaypm56","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"R. Scopigno","raw_affiliation_strings":["CNUCE, Consiglio Nazionale delle Ricerche, via Ss. Maria 36, 56126, Pisa, Italy","CNUCE, Consiglio Nazionale delle Ricerche , via Ss. Maria 36, 56126, Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CNUCE, Consiglio Nazionale delle Ricerche, via Ss. Maria 36, 56126, Pisa, Italy","institution_ids":["https://openalex.org/I4210107558","https://openalex.org/I4210155236"]},{"raw_affiliation_string":"CNUCE, Consiglio Nazionale delle Ricerche , via Ss. Maria 36, 56126, Pisa, Italy","institution_ids":["https://openalex.org/I4210107558","https://openalex.org/I4210155236"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8131,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.82562278,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"8","issue":"6","first_page":"515","last_page":"531"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9998000264167786,"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":0.9998000264167786,"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9987000226974487,"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"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/computer-science","display_name":"Computer science","score":0.8748306035995483},{"id":"https://openalex.org/keywords/visibility","display_name":"Visibility","score":0.7851921319961548},{"id":"https://openalex.org/keywords/mimd","display_name":"MIMD","score":0.7372102737426758},{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.7067170739173889},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.6856469511985779},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6323491334915161},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5245012044906616},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.34491950273513794},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.28845304250717163},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.12092140316963196}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8748306035995483},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.7851921319961548},{"id":"https://openalex.org/C21032095","wikidata":"https://www.wikidata.org/wiki/Q1149237","display_name":"MIMD","level":2,"score":0.7372102737426758},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.7067170739173889},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.6856469511985779},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6323491334915161},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5245012044906616},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.34491950273513794},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.28845304250717163},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.12092140316963196},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","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/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1080/02693799408902019","is_oa":false,"landing_page_url":"https://doi.org/10.1080/02693799408902019","pdf_url":null,"source":{"id":"https://openalex.org/S4210181446","display_name":"International Journal of Geographical Information Systems","issn_l":"0269-3798","issn":["0269-3798","1362-3087"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International journal of geographical information systems","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.50.2713","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.50.2713","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://vcg.iei.pi.cnr.it/papers/DelaHSR.ps.Z","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1494374831","https://openalex.org/W1525689457","https://openalex.org/W1542085343","https://openalex.org/W1559533846","https://openalex.org/W1965230032","https://openalex.org/W1965238403","https://openalex.org/W1965787951","https://openalex.org/W1973073235","https://openalex.org/W1977974169","https://openalex.org/W1986202767","https://openalex.org/W2005314985","https://openalex.org/W2006774019","https://openalex.org/W2033640499","https://openalex.org/W2040791319","https://openalex.org/W2052333483","https://openalex.org/W2068720912","https://openalex.org/W2091440683","https://openalex.org/W2091923171","https://openalex.org/W2128449323","https://openalex.org/W2132750992","https://openalex.org/W2156003294","https://openalex.org/W2400702091","https://openalex.org/W2561675875","https://openalex.org/W2911302472","https://openalex.org/W4210326934","https://openalex.org/W4213170981"],"related_works":["https://openalex.org/W2034045777","https://openalex.org/W1991465874","https://openalex.org/W2071789169","https://openalex.org/W2066443689","https://openalex.org/W322664006","https://openalex.org/W1494439548","https://openalex.org/W84179482","https://openalex.org/W1633181085","https://openalex.org/W1963927258","https://openalex.org/W1439745913"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3],"address":[4],"the":[5,24,33],"problem":[6],"of":[7,27,60],"computing":[8,23],"visibility":[9,43],"information":[10],"on":[11,32,39,74],"digital":[12],"terrain":[13],"models":[14],"in":[15,58],"parallel.":[16],"We":[17],"propose":[18],"a":[19,40],"parallel":[20],"algorithm":[21,36],"for":[22],"visible":[25],"region":[26],"an":[28,75],"observation":[29],"point":[30],"located":[31],"terrain.":[34],"The":[35,68],"is":[37],"based":[38],"sequential":[41],"triangle-sorting":[42],"approach":[44],"proposed":[45],"by":[46],"De":[47],"Floriani":[48],"et":[49],"al.":[50],"(1989).":[51],"Static":[52],"and":[53,63,78],"dynamic":[54],"parallelization":[55,70],"strategies,":[56],"both":[57],"terms":[59],"partitioning":[61],"criteria":[62],"scheduling":[64],"policies,":[65],"are":[66,72],"discussed.":[67],"different":[69],"strategies":[71],"implemented":[73],"MIMD":[76],"multicomputer":[77],"evaluated":[79],"through":[80],"experimental":[81],"results.":[82]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-08-15T07:11:24.734988","created_date":"2025-10-10T00:00:00"}