{"id":"https://openalex.org/W2954429568","doi":"https://doi.org/10.24963/ijcai.2019/646","title":"Procedural Generation of Initial States of Sokoban","display_name":"Procedural Generation of Initial States of Sokoban","publication_year":2019,"publication_date":"2019-07-28","ids":{"openalex":"https://openalex.org/W2954429568","doi":"https://doi.org/10.24963/ijcai.2019/646","mag":"2954429568"},"language":"en","primary_location":{"id":"doi:10.24963/ijcai.2019/646","is_oa":true,"landing_page_url":"https://doi.org/10.24963/ijcai.2019/646","pdf_url":"https://www.ijcai.org/proceedings/2019/0646.pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.ijcai.org/proceedings/2019/0646.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5033764052","display_name":"D\u00e2maris S. Bento","orcid":null},"institutions":[{"id":"https://openalex.org/I146165071","display_name":"Universidade Federal de Vi\u00e7osa","ror":"https://ror.org/0409dgb37","country_code":"BR","type":"education","lineage":["https://openalex.org/I146165071"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"D\u00e2maris S. Bento","raw_affiliation_strings":["Universidade Federal de Vi\u00e7osa, Brazil","[Universidade Federal de Vicosa, Brazil]"],"affiliations":[{"raw_affiliation_string":"Universidade Federal de Vi\u00e7osa, Brazil","institution_ids":["https://openalex.org/I146165071"]},{"raw_affiliation_string":"[Universidade Federal de Vicosa, Brazil]","institution_ids":["https://openalex.org/I146165071"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009093164","display_name":"Andr\u00e9 G. Pereira","orcid":"https://orcid.org/0000-0002-2149-8157"},"institutions":[{"id":"https://openalex.org/I130442723","display_name":"Universidade Federal do Rio Grande do Sul","ror":"https://ror.org/041yk2d64","country_code":"BR","type":"education","lineage":["https://openalex.org/I130442723"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Andr\u00e9 G. Pereira","raw_affiliation_strings":["Universidade Federal do Rio Grande do Sul, Brazil","Universidade Federal do Rio Grande do Sul --- Brazil#TAB#"],"affiliations":[{"raw_affiliation_string":"Universidade Federal do Rio Grande do Sul, Brazil","institution_ids":["https://openalex.org/I130442723"]},{"raw_affiliation_string":"Universidade Federal do Rio Grande do Sul --- Brazil#TAB#","institution_ids":["https://openalex.org/I130442723"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012035228","display_name":"Levi H. S. Lelis","orcid":"https://orcid.org/0000-0003-3560-9345"},"institutions":[{"id":"https://openalex.org/I146165071","display_name":"Universidade Federal de Vi\u00e7osa","ror":"https://ror.org/0409dgb37","country_code":"BR","type":"education","lineage":["https://openalex.org/I146165071"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Levi H. S. Lelis","raw_affiliation_strings":["Universidade Federal de Vi\u00e7osa, Brazil","[Universidade Federal de Vicosa, Brazil]"],"affiliations":[{"raw_affiliation_string":"Universidade Federal de Vi\u00e7osa, Brazil","institution_ids":["https://openalex.org/I146165071"]},{"raw_affiliation_string":"[Universidade Federal de Vicosa, Brazil]","institution_ids":["https://openalex.org/I146165071"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5033764052"],"corresponding_institution_ids":["https://openalex.org/I146165071"],"apc_list":null,"apc_paid":null,"fwci":0.289,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.65963756,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"4651","last_page":"4657"},"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":0.9998999834060669,"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":0.9998999834060669,"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/T11596","display_name":"Constraint Satisfaction and Optimization","score":0.9975000023841858,"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.996999979019165,"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/novelty","display_name":"Novelty","score":0.904462993144989},{"id":"https://openalex.org/keywords/heuristics","display_name":"Heuristics","score":0.8105209469795227},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.6967977285385132},{"id":"https://openalex.org/keywords/solver","display_name":"Solver","score":0.6921695470809937},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6672607660293579},{"id":"https://openalex.org/keywords/problem-solver","display_name":"Problem solver","score":0.5813383460044861},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4958859384059906},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.46493858098983765},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.41953045129776},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.37700116634368896},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.22715109586715698},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.06489911675453186},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.0601290762424469}],"concepts":[{"id":"https://openalex.org/C2778738651","wikidata":"https://www.wikidata.org/wiki/Q16546687","display_name":"Novelty","level":2,"score":0.904462993144989},{"id":"https://openalex.org/C127705205","wikidata":"https://www.wikidata.org/wiki/Q5748245","display_name":"Heuristics","level":2,"score":0.8105209469795227},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.6967977285385132},{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.6921695470809937},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6672607660293579},{"id":"https://openalex.org/C3019612716","wikidata":"https://www.wikidata.org/wiki/Q730920","display_name":"Problem solver","level":2,"score":0.5813383460044861},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4958859384059906},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.46493858098983765},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.41953045129776},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.37700116634368896},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.22715109586715698},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.06489911675453186},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0601290762424469},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.0},{"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/C27206212","wikidata":"https://www.wikidata.org/wiki/Q34178","display_name":"Theology","level":1,"score":0.0},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.24963/ijcai.2019/646","is_oa":true,"landing_page_url":"https://doi.org/10.24963/ijcai.2019/646","pdf_url":"https://www.ijcai.org/proceedings/2019/0646.pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:1907.02548","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1907.02548","pdf_url":"https://arxiv.org/pdf/1907.02548","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},{"id":"mag:2954429568","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1907.02548v1","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"doi:10.48550/arxiv.1907.02548","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1907.02548","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"doi:10.24963/ijcai.2019/646","is_oa":true,"landing_page_url":"https://doi.org/10.24963/ijcai.2019/646","pdf_url":"https://www.ijcai.org/proceedings/2019/0646.pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence","raw_type":"proceedings-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.699999988079071,"display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G1837441638","display_name":null,"funder_award_id":"FAPERGS","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G2554800379","display_name":null,"funder_award_id":"Code 001","funder_id":"https://openalex.org/F4320322502","funder_display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado do Rio Grande do Sul"},{"id":"https://openalex.org/G3288294548","display_name":null,"funder_award_id":"Code 001.","funder_id":"https://openalex.org/F4320321091","funder_display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior"},{"id":"https://openalex.org/G3331681876","display_name":null,"funder_award_id":"CAPES","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G3883789297","display_name":null,"funder_award_id":"Code 00","funder_id":"https://openalex.org/F4320321091","funder_display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior"},{"id":"https://openalex.org/G3938906640","display_name":null,"funder_award_id":"(CAPES)","funder_id":"https://openalex.org/F4320321091","funder_display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior"},{"id":"https://openalex.org/G4332196409","display_name":null,"funder_award_id":"Finance_Code_001","funder_id":"https://openalex.org/F4320321091","funder_display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior"},{"id":"https://openalex.org/G4850813901","display_name":null,"funder_award_id":"Finance Code 001","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G5079005330","display_name":null,"funder_award_id":"support","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G5696276328","display_name":null,"funder_award_id":"Finance","funder_id":"https://openalex.org/F4320321091","funder_display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior"},{"id":"https://openalex.org/G6515092298","display_name":null,"funder_award_id":"Finance Code 001","funder_id":"https://openalex.org/F4320321091","funder_display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior"},{"id":"https://openalex.org/G7614337225","display_name":null,"funder_award_id":"CAPES","funder_id":"https://openalex.org/F4320322980","funder_display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de Minas Gerais"},{"id":"https://openalex.org/G8357976619","display_name":null,"funder_award_id":"FAPEMIG","funder_id":"https://openalex.org/F4320321091","funder_display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior"},{"id":"https://openalex.org/G8837013128","display_name":null,"funder_award_id":"Code 0","funder_id":"https://openalex.org/F4320321091","funder_display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior"}],"funders":[{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"},{"id":"https://openalex.org/F4320322502","display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado do Rio Grande do Sul","ror":"https://ror.org/05k49za97"},{"id":"https://openalex.org/F4320322980","display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de Minas Gerais","ror":"https://ror.org/00nc55f03"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2954429568.pdf","grobid_xml":"https://content.openalex.org/works/W2954429568.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W812344646","https://openalex.org/W1545688112","https://openalex.org/W1575990843","https://openalex.org/W1604397311","https://openalex.org/W1971439026","https://openalex.org/W2103049742","https://openalex.org/W2126677653","https://openalex.org/W2136208491","https://openalex.org/W2150470619","https://openalex.org/W2152660354","https://openalex.org/W2155675331","https://openalex.org/W2279668280","https://openalex.org/W2288384992","https://openalex.org/W2566652907","https://openalex.org/W2605098186","https://openalex.org/W2724638899","https://openalex.org/W2729964169","https://openalex.org/W2738669288","https://openalex.org/W2811081055","https://openalex.org/W2890346000","https://openalex.org/W2902069995"],"related_works":["https://openalex.org/W1662166164","https://openalex.org/W2293863648","https://openalex.org/W3105826019","https://openalex.org/W2948464353","https://openalex.org/W2120701054","https://openalex.org/W2247645907","https://openalex.org/W3103393308","https://openalex.org/W2905338005","https://openalex.org/W753461214","https://openalex.org/W1792660423","https://openalex.org/W2413613665","https://openalex.org/W3037548746","https://openalex.org/W2737271966","https://openalex.org/W2911708419","https://openalex.org/W2952489486","https://openalex.org/W2990961808","https://openalex.org/W2995083803","https://openalex.org/W2767267671","https://openalex.org/W2110927808","https://openalex.org/W2122128939"],"abstract_inverted_index":{"Procedural":[0],"generation":[1],"of":[2,5,22,33,40,55,61,67],"initial":[3,38,69,87,97],"states":[4,39,98],"state-space":[6],"search":[7,62],"problems":[8],"have":[9],"applications":[10],"in":[11,19,64],"human":[12,112],"and":[13,36,52,83],"machine":[14],"learning":[15],"as":[16,18],"well":[17],"the":[20,31,53,59,65],"evaluation":[21],"planning":[23],"systems.":[24],"In":[25],"this":[26],"paper":[27],"we":[28],"deal":[29],"with":[30],"task":[32,66],"generating":[34,68],"hard":[35],"solvable":[37],"Sokoban":[41],"puzzles.":[42],"We":[43,71],"propose":[44],"hardness":[45,81],"metrics":[46,82],"based":[47],"on":[48],"pattern":[49],"database":[50],"heuristics":[51],"use":[54],"novelty":[56,84],"to":[57,85,95,102],"improve":[58],"exploration":[60],"methods":[63],"states.":[70,88],"then":[72],"present":[73],"a":[74,105],"system":[75],"called":[76],"Beta":[77,92],"that":[78,91,99],"uses":[79],"our":[80],"generate":[86,96],"Experiments":[89],"show":[90],"is":[93],"able":[94],"are":[100],"harder":[101],"solve":[103],"by":[104,111],"specialized":[106],"solver":[107],"than":[108],"those":[109],"designed":[110],"experts.":[113]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-04-15T08:11:43.952461","created_date":"2025-10-10T00:00:00"}
