{"id":"https://openalex.org/W2085741057","doi":"https://doi.org/10.1145/2513456.2513479","title":"Peak and valley detection in multimodal functions by means of 3D normal metadata","display_name":"Peak and valley detection in multimodal functions by means of 3D normal metadata","publication_year":2013,"publication_date":"2013-10-01","ids":{"openalex":"https://openalex.org/W2085741057","doi":"https://doi.org/10.1145/2513456.2513479","mag":"2085741057"},"language":"en","primary_location":{"id":"doi:10.1145/2513456.2513479","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2513456.2513479","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the South African Institute for Computer Scientists and Information Technologists Conference","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/A5022239811","display_name":"Grant Blaise O\u2019Reilly","orcid":null},"institutions":[{"id":"https://openalex.org/I165390105","display_name":"University of South Africa","ror":"https://ror.org/048cwvf49","country_code":"ZA","type":"education","lineage":["https://openalex.org/I165390105"]}],"countries":["ZA"],"is_corresponding":true,"raw_author_name":"Grant Blaise O'Reilly","raw_affiliation_strings":["University of South Africa"],"affiliations":[{"raw_affiliation_string":"University of South Africa","institution_ids":["https://openalex.org/I165390105"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5022239811"],"corresponding_institution_ids":["https://openalex.org/I165390105"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13001388,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"295","last_page":"304"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10848","display_name":"Advanced Multi-Objective Optimization Algorithms","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T10848","display_name":"Advanced Multi-Objective Optimization Algorithms","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T10928","display_name":"Probabilistic and Robust Engineering Design","score":0.9937000274658203,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10100","display_name":"Metaheuristic Optimization Algorithms Research","score":0.9815999865531921,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/metadata","display_name":"Metadata","score":0.9119758605957031},{"id":"https://openalex.org/keywords/normal","display_name":"Normal","score":0.6606982946395874},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6082691550254822},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.5695461630821228},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5497118830680847},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.4858562648296356},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4560011923313141},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2875651717185974},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.22220921516418457},{"id":"https://openalex.org/keywords/surface","display_name":"Surface (topology)","score":0.12437048554420471}],"concepts":[{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.9119758605957031},{"id":"https://openalex.org/C118732077","wikidata":"https://www.wikidata.org/wiki/Q273176","display_name":"Normal","level":3,"score":0.6606982946395874},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6082691550254822},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.5695461630821228},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5497118830680847},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.4858562648296356},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4560011923313141},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2875651717185974},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.22220921516418457},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.12437048554420471},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","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/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2513456.2513479","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2513456.2513479","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the South African Institute for Computer Scientists and Information Technologists Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.44999998807907104,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W159523729","https://openalex.org/W1516972762","https://openalex.org/W1585335425","https://openalex.org/W2102559904","https://openalex.org/W2116602049","https://openalex.org/W2126926002","https://openalex.org/W2132147811","https://openalex.org/W2133827163","https://openalex.org/W2134583520","https://openalex.org/W2139224016","https://openalex.org/W2166960899"],"related_works":["https://openalex.org/W2392768766","https://openalex.org/W2058118494","https://openalex.org/W2382021449","https://openalex.org/W2095118173","https://openalex.org/W2104269053","https://openalex.org/W2106424170","https://openalex.org/W1985426483","https://openalex.org/W2501188010","https://openalex.org/W4299935056","https://openalex.org/W2383918176"],"abstract_inverted_index":{"A":[0,20,115],"novel":[1],"approach":[2],"for":[3],"detecting":[4,24],"multiple":[5],"optimal":[6,94],"and":[7,22,33,44,98,111],"suboptimal":[8],"solutions":[9],"in":[10,17,39,63],"multimodal":[11,37,57],"function":[12,58],"optimisation":[13],"problems":[14],"is":[15,92,119,127],"proposed":[16],"this":[18,40],"paper.":[19,41],"peak":[21,43],"valley":[23,45,99],"algorithm":[25,87,118],"utilising":[26],"3D":[27,61,75],"normal":[28,53,110],"metadata":[29,54,83],"will":[30],"be":[31],"presented":[32],"tested":[34],"against":[35],"several":[36],"functions":[38],"The":[42,77],"detection":[46],"method":[47],"by":[48,104],"means":[49],"three":[50],"dimensional":[51],"(3D)":[52],"presents":[55],"the":[56,65,70,74,82,86,106,109],"as":[59],"a":[60,90,112,125,131,136],"mesh":[62],"which":[64,85],"normals":[66,80],"are":[67,102],"calculated":[68],"from":[69,84],"triangles":[71],"that":[72],"constitute":[73],"mesh.":[76],"set":[78],"of":[79],"forms":[81],"determines":[88],"if":[89,124],"region":[91,126],"an":[93],"region.":[95],"Peak":[96],"(maximum)":[97],"(minimum)":[100],"regions":[101],"detected":[103],"determining":[105],"angle":[107],"between":[108],"unit":[113],"vector.":[114],"line":[116],"intersecting":[117],"then":[120],"used":[121],"to":[122],"determine":[123],"either":[128],"convex":[129],"(i.e.":[130,135],"peak)":[132],"or":[133],"concave":[134],"valley).":[137]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
