{"id":"https://openalex.org/W4391149344","doi":"https://doi.org/10.1109/ictc58733.2023.10393240","title":"A<sub>r</sub> <sup>*</sup>: a Bounded Suboptimal Search algorithm using Conditional Node Re-expansion Policy","display_name":"A<sub>r</sub> <sup>*</sup>: a Bounded Suboptimal Search algorithm using Conditional Node Re-expansion Policy","publication_year":2023,"publication_date":"2023-10-11","ids":{"openalex":"https://openalex.org/W4391149344","doi":"https://doi.org/10.1109/ictc58733.2023.10393240"},"language":"en","primary_location":{"id":"doi:10.1109/ictc58733.2023.10393240","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ictc58733.2023.10393240","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 14th International Conference on Information and Communication Technology Convergence (ICTC)","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/A5093772871","display_name":"Tien Minh Dam","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Tien Minh Dam","raw_affiliation_strings":["Viettel High Technology Industries Corporation,Vietnam","Viettel High Technology Industries Corporation, Vietnam"],"affiliations":[{"raw_affiliation_string":"Viettel High Technology Industries Corporation,Vietnam","institution_ids":[]},{"raw_affiliation_string":"Viettel High Technology Industries Corporation, Vietnam","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060999833","display_name":"Dinh Thanh Son Le","orcid":"https://orcid.org/0009-0005-6831-7770"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dao Tran Le","raw_affiliation_strings":["Viettel High Technology Industries Corporation,Vietnam","Viettel High Technology Industries Corporation, Vietnam"],"affiliations":[{"raw_affiliation_string":"Viettel High Technology Industries Corporation,Vietnam","institution_ids":[]},{"raw_affiliation_string":"Viettel High Technology Industries Corporation, Vietnam","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102608300","display_name":"Long Viet Truong","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Long Viet Truong","raw_affiliation_strings":["Viettel High Technology Industries Corporation,Vietnam","Viettel High Technology Industries Corporation, Vietnam"],"affiliations":[{"raw_affiliation_string":"Viettel High Technology Industries Corporation,Vietnam","institution_ids":[]},{"raw_affiliation_string":"Viettel High Technology Industries Corporation, Vietnam","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104233271","display_name":"Huyen Thi Dinh","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Huyen Thi Dinh","raw_affiliation_strings":["Viettel High Technology Industries Corporation,Vietnam","Viettel High Technology Industries Corporation, Vietnam"],"affiliations":[{"raw_affiliation_string":"Viettel High Technology Industries Corporation,Vietnam","institution_ids":[]},{"raw_affiliation_string":"Viettel High Technology Industries Corporation, Vietnam","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108549697","display_name":"Ngan Nguyen","orcid":"https://orcid.org/0009-0004-3494-0305"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ngan Kim Nguyen","raw_affiliation_strings":["Viettel High Technology Industries Corporation,Vietnam","Viettel High Technology Industries Corporation, Vietnam"],"affiliations":[{"raw_affiliation_string":"Viettel High Technology Industries Corporation,Vietnam","institution_ids":[]},{"raw_affiliation_string":"Viettel High Technology Industries Corporation, Vietnam","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024946787","display_name":"Tu\u1ea5n Anh Nguy\u1ec5n","orcid":"https://orcid.org/0000-0002-9123-3584"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tuan Anh Nguyen","raw_affiliation_strings":["Viettel High Technology Industries Corporation,Vietnam","Viettel High Technology Industries Corporation, Vietnam"],"affiliations":[{"raw_affiliation_string":"Viettel High Technology Industries Corporation,Vietnam","institution_ids":[]},{"raw_affiliation_string":"Viettel High Technology Industries Corporation, Vietnam","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014427466","display_name":"Hung Viet Bui","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hung Viet Bui","raw_affiliation_strings":["Viettel High Technology Industries Corporation,Vietnam","Viettel High Technology Industries Corporation, Vietnam"],"affiliations":[{"raw_affiliation_string":"Viettel High Technology Industries Corporation,Vietnam","institution_ids":[]},{"raw_affiliation_string":"Viettel High Technology Industries Corporation, Vietnam","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019560551","display_name":"Nguyen Manh Tiem","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Nguyen Manh Tiem","raw_affiliation_strings":["Viettel High Technology Industries Corporation,Vietnam","Viettel High Technology Industries Corporation, Vietnam"],"affiliations":[{"raw_affiliation_string":"Viettel High Technology Industries Corporation,Vietnam","institution_ids":[]},{"raw_affiliation_string":"Viettel High Technology Industries Corporation, Vietnam","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088464646","display_name":"Le Manh Ha","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Le Manh Ha","raw_affiliation_strings":["Viettel High Technology Industries Corporation,Vietnam","Viettel High Technology Industries Corporation, Vietnam"],"affiliations":[{"raw_affiliation_string":"Viettel High Technology Industries Corporation,Vietnam","institution_ids":[]},{"raw_affiliation_string":"Viettel High Technology Industries Corporation, Vietnam","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":9,"corresponding_author_ids":["https://openalex.org/A5093772871"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.19454857,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"985","last_page":"990"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10906","display_name":"AI-based Problem Solving and Planning","score":0.9957000017166138,"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"}},"topics":[{"id":"https://openalex.org/T10906","display_name":"AI-based Problem Solving and Planning","score":0.9957000017166138,"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"}},{"id":"https://openalex.org/T10100","display_name":"Metaheuristic Optimization Algorithms Research","score":0.993399977684021,"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"}},{"id":"https://openalex.org/T11574","display_name":"Artificial Intelligence in Games","score":0.992900013923645,"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/heuristics","display_name":"Heuristics","score":0.6893166303634644},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.6237426400184631},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5319643020629883},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5248104333877563},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5081534385681152},{"id":"https://openalex.org/keywords/search-algorithm","display_name":"Search algorithm","score":0.47319409251213074},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.45384401082992554},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.4475095868110657},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.4235837757587433},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.34132882952690125},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.2658313512802124}],"concepts":[{"id":"https://openalex.org/C127705205","wikidata":"https://www.wikidata.org/wiki/Q5748245","display_name":"Heuristics","level":2,"score":0.6893166303634644},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.6237426400184631},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5319643020629883},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5248104333877563},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5081534385681152},{"id":"https://openalex.org/C125583679","wikidata":"https://www.wikidata.org/wiki/Q755673","display_name":"Search algorithm","level":2,"score":0.47319409251213074},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.45384401082992554},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.4475095868110657},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.4235837757587433},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.34132882952690125},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2658313512802124},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"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:10.1109/ictc58733.2023.10393240","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ictc58733.2023.10393240","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 14th International Conference on Information and Communication Technology Convergence (ICTC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.5,"id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1487826456","https://openalex.org/W1969483458","https://openalex.org/W2035601288","https://openalex.org/W2083105191","https://openalex.org/W2135125135","https://openalex.org/W2139084297","https://openalex.org/W2161076907","https://openalex.org/W2293478223","https://openalex.org/W2577858298","https://openalex.org/W4313004735","https://openalex.org/W6600427653","https://openalex.org/W6604968138","https://openalex.org/W6683620479"],"related_works":["https://openalex.org/W2280422768","https://openalex.org/W3143197806","https://openalex.org/W3177062893","https://openalex.org/W3125143773","https://openalex.org/W2007032764","https://openalex.org/W803550684","https://openalex.org/W2483226803","https://openalex.org/W4352977312","https://openalex.org/W2041180560","https://openalex.org/W2411838016"],"abstract_inverted_index":{"The":[0],"A*":[1,19],"algorithm":[2,97,125,132],"is":[3,60],"a":[4,57,103],"well-known":[5],"graph":[6],"search":[7,22],"technique":[8],"widely":[9],"used":[10],"in":[11,106,146],"various":[12],"domains":[13],"like":[14],"robotics,":[15],"games,":[16],"and":[17,23,32,79,152],"logistics.":[18],"combines":[20],"breadth-first":[21],"heuristics":[24],"to":[25,40,61,126,161],"find":[26],"optimal":[27],"paths":[28],"by":[29],"evaluating":[30],"cost":[31],"heuristic":[33],"estimates.":[34],"However,":[35],"optimization":[36],"challenges":[37],"persist,":[38],"leading":[39],"the":[41,51,107,128,131,138,147,163],"need":[42],"for":[43],"suboptimal":[44],"solutions":[45],"within":[46],"predefined":[47],"quality":[48],"bounds.":[49],"In":[50,83],"case":[52],"of":[53,130,140],"Bounded":[54],"Suboptimal":[55],"Search,":[56],"possible":[58],"strategy":[59],"reduce":[62],"unnecessary":[63],"re-expansions":[64,100],"effectively.":[65],"Existing":[66],"researches":[67],"have":[68,158],"explored":[69],"distinct":[70],"approaches":[71],"across":[72,155],"two":[73],"primary":[74],"domains:":[75],"Never":[76],"Re-expansion":[77,81,93],"(NR)":[78],"Always":[80],"(AR).":[82],"this":[84],"paper,":[85],"we":[86,120],"introduce":[87],"an":[88,112,122],"innovative":[89],"paradigm":[90],"termed":[91],"Conditional":[92],"(CR).":[94],"This":[95,135],"novel":[96],"selectively":[98],"permits":[99],"that":[101,142],"yield":[102],"considerable":[104],"decrease":[105],"g-cost":[108],"value,":[109],"contingent":[110],"upon":[111],"acceptance":[113],"error":[114],"parameter":[115],"denoted":[116],"as":[117],"r.":[118],"Additionally,":[119],"propose":[121],"efficient":[123],"anytime":[124],"rectify":[127],"outputs":[129],"mentioned":[133],"before.":[134],"involves":[136],"prioritizing":[137],"repair":[139],"states":[141],"were":[143],"denied":[144],"reexpansion":[145],"CR":[148],"phase.":[149],"Theoretical":[150],"groundwork":[151],"practical":[153],"demonstrations":[154],"diverse":[156],"benchmarks":[157],"been":[159],"conducted":[160],"validate":[162],"findings.":[164]},"counts_by_year":[],"updated_date":"2025-12-25T23:11:45.687758","created_date":"2025-10-10T00:00:00"}
