{"id":"https://openalex.org/W167769677","doi":"https://doi.org/10.5591/978-1-57735-516-8/ijcai11-327","title":"On the decidability of HTN planning with task insertion","display_name":"On the decidability of HTN planning with task insertion","publication_year":2011,"publication_date":"2011-01-01","ids":{"openalex":"https://openalex.org/W167769677","doi":"https://doi.org/10.5591/978-1-57735-516-8/ijcai11-327","mag":"167769677"},"language":"en","primary_location":{"id":"pmh:oai:openresearch-repository.anu.edu.au:1885/733811289","is_oa":false,"landing_page_url":"https://hdl.handle.net/1885/733811289","pdf_url":null,"source":{"id":"https://openalex.org/S4306402539","display_name":"ANU Open Research (Australian National University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I118347636","host_organization_name":"Australian National University","host_organization_lineage":["https://openalex.org/I118347636"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"},"type":"conference-paper","indexed_in":[],"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/A5039375663","display_name":"Thomas Geier","orcid":null},"institutions":[{"id":"https://openalex.org/I196349391","display_name":"Universit\u00e4t Ulm","ror":"https://ror.org/032000t02","country_code":"DE","type":"education","lineage":["https://openalex.org/I196349391"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Geier, Thomas","raw_affiliation_strings":["Ulm University, Institute of Artificial Intelligence, Ulm, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ulm University, Institute of Artificial Intelligence, Ulm, Germany","institution_ids":["https://openalex.org/I196349391"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009175450","display_name":"Pascal Bercher","orcid":"https://orcid.org/0000-0002-0795-4320"},"institutions":[{"id":"https://openalex.org/I196349391","display_name":"Universit\u00e4t Ulm","ror":"https://ror.org/032000t02","country_code":"DE","type":"education","lineage":["https://openalex.org/I196349391"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Bercher, Pascal","raw_affiliation_strings":["Ulm University, Institute of Artificial Intelligence, Ulm, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ulm University, Institute of Artificial Intelligence, Ulm, Germany","institution_ids":["https://openalex.org/I196349391"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I196349391"],"apc_list":null,"apc_paid":null,"fwci":1.6102,"has_fulltext":false,"cited_by_count":86,"citation_normalized_percentile":{"value":0.8291016,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"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":0.9993000030517578,"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":0.9993000030517578,"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9952999949455261,"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9908000230789185,"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/undecidable-problem","display_name":"Undecidable problem","score":0.9732757806777954},{"id":"https://openalex.org/keywords/decidability","display_name":"Decidability","score":0.9347876310348511},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.7687616348266602},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.564014732837677},{"id":"https://openalex.org/keywords/plan","display_name":"Plan (archaeology)","score":0.5220794081687927},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.33508968353271484},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.33005377650260925}],"concepts":[{"id":"https://openalex.org/C192034797","wikidata":"https://www.wikidata.org/wiki/Q3502995","display_name":"Undecidable problem","level":3,"score":0.9732757806777954},{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.9347876310348511},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.7687616348266602},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.564014732837677},{"id":"https://openalex.org/C2776505523","wikidata":"https://www.wikidata.org/wiki/Q4785468","display_name":"Plan (archaeology)","level":2,"score":0.5220794081687927},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33508968353271484},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.33005377650260925},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:openresearch-repository.anu.edu.au:1885/733811289","is_oa":false,"landing_page_url":"https://hdl.handle.net/1885/733811289","pdf_url":null,"source":{"id":"https://openalex.org/S4306402539","display_name":"ANU Open Research (Australian National University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I118347636","host_organization_name":"Australian National University","host_organization_lineage":["https://openalex.org/I118347636"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.7900000214576721}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1230237032","https://openalex.org/W1534006406","https://openalex.org/W1576796802","https://openalex.org/W1596447221","https://openalex.org/W1808309490","https://openalex.org/W2002089154","https://openalex.org/W2022090818","https://openalex.org/W2025262772"],"related_works":["https://openalex.org/W2025262772","https://openalex.org/W2147357263","https://openalex.org/W2404353384","https://openalex.org/W1230237032","https://openalex.org/W2402910466","https://openalex.org/W1502563300","https://openalex.org/W2578347977","https://openalex.org/W70755758","https://openalex.org/W1909819556","https://openalex.org/W2740426680","https://openalex.org/W2577735974","https://openalex.org/W2788226513","https://openalex.org/W2811199247","https://openalex.org/W2211786914","https://openalex.org/W2211270894","https://openalex.org/W2100988719","https://openalex.org/W2405362793","https://openalex.org/W2401204888","https://openalex.org/W1576796802","https://openalex.org/W1489183362"],"abstract_inverted_index":{"The":[0,23],"field":[1],"of":[2,27,53,62,77,113,122],"deterministic":[3],"AI":[4],"planning":[5,16,47,63,79,132],"can":[6],"roughly":[7],"be":[8,33],"divided":[9],"into":[10],"two":[11],"approaches":[12],"-":[13],"classical":[14],"statebased":[15],"and":[17,55,81,101],"hierarchical":[18],"task":[19,83,99,108,134],"network":[20],"(HTN)":[21],"planning.":[22],"plan":[24,89,126],"existence":[25,90,127],"problem":[26,91,128],"the":[28,42,50,88,95,111,114,125],"former":[29],"is":[30,65,92],"known":[31],"to":[32,68],"decidable":[34,105],"while":[35],"it":[36,103],"has":[37],"been":[38],"proved":[39],"undecidable":[40,93],"for":[41,94,124,129],"latter.":[43],"When":[44],"extending":[45],"HTN":[46,78,96,131],"by":[48],"allowing":[49,107],"unrestricted":[51],"insertion":[52,100],"tasks":[54],"ordering":[56],"constraints,":[57],"one":[58],"obtains":[59],"a":[60,74],"form":[61],"which":[64],"often":[66],"referred":[67],"as":[69],"\"hybrid":[70],"planning\".":[71],"We":[72,85],"present":[73],"simplified":[75],"formalization":[76],"with":[80,133],"without":[82,98],"insertion.":[84,109,135],"show":[86],"that":[87,102],"setting":[97],"becomes":[104],"when":[106],"In":[110],"course":[112],"proof,":[115],"we":[116],"obtain":[117],"an":[118],"upper":[119],"complexity":[120],"bound":[121],"EXPSPACE":[123],"propositional":[130]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":14},{"year":2020,"cited_by_count":8},{"year":2019,"cited_by_count":11},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2016-06-24T00:00:00"}