{"id":"https://openalex.org/W7155021021","doi":"https://doi.org/10.1016/j.compchemeng.2026.109672","title":"TalkToAgent: A multi-agent LLM Framework for natural language explanation of reinforcement learning policies","display_name":"TalkToAgent: A multi-agent LLM Framework for natural language explanation of reinforcement learning policies","publication_year":2026,"publication_date":"2026-04-20","ids":{"openalex":"https://openalex.org/W7155021021","doi":"https://doi.org/10.1016/j.compchemeng.2026.109672"},"language":"en","primary_location":{"id":"doi:10.1016/j.compchemeng.2026.109672","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.compchemeng.2026.109672","pdf_url":null,"source":{"id":"https://openalex.org/S150671403","display_name":"Computers & Chemical Engineering","issn_l":"0098-1354","issn":["0098-1354","1873-4375"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computers &amp; Chemical Engineering","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/A5101305203","display_name":"Haechang Kim","orcid":"https://orcid.org/0009-0000-0347-9297"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Haechang Kim","raw_affiliation_strings":["Department of Chemical and Biological Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea"],"raw_orcid":"https://orcid.org/0009-0000-0347-9297","affiliations":[{"raw_affiliation_string":"Department of Chemical and Biological Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134064300","display_name":"Hao Chen","orcid":"https://orcid.org/0009-0001-6387-865X"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hao Chen","raw_affiliation_strings":["Davidson School of Chemical Engineering, Purdue University, 480 W. Stadium Ave, West Lafayette, 47907, IN, USA"],"raw_orcid":"https://orcid.org/0009-0001-6387-865X","affiliations":[{"raw_affiliation_string":"Davidson School of Chemical Engineering, Purdue University, 480 W. Stadium Ave, West Lafayette, 47907, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060513285","display_name":"Can Li","orcid":"https://orcid.org/0000-0003-2859-7542"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Can Li","raw_affiliation_strings":["Davidson School of Chemical Engineering, Purdue University, 480 W. Stadium Ave, West Lafayette, 47907, IN, USA"],"raw_orcid":"https://orcid.org/0000-0003-2859-7542","affiliations":[{"raw_affiliation_string":"Davidson School of Chemical Engineering, Purdue University, 480 W. Stadium Ave, West Lafayette, 47907, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100382860","display_name":"Jong Min Lee","orcid":"https://orcid.org/0000-0001-5395-0067"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Jong Min Lee","raw_affiliation_strings":["Department of Chemical and Biological Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0001-5395-0067","affiliations":[{"raw_affiliation_string":"Department of Chemical and Biological Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5060513285","https://openalex.org/A5100382860"],"corresponding_institution_ids":["https://openalex.org/I139264467","https://openalex.org/I219193219"],"apc_list":{"value":4070,"currency":"USD","value_usd":4070},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.89270624,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"211","issue":null,"first_page":"109672","last_page":"109672"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12026","display_name":"Explainable Artificial Intelligence (XAI)","score":0.7107999920845032,"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/T12026","display_name":"Explainable Artificial Intelligence (XAI)","score":0.7107999920845032,"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/T10462","display_name":"Reinforcement Learning in Robotics","score":0.04100000113248825,"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/T11636","display_name":"Artificial Intelligence in Healthcare and Education","score":0.029200000688433647,"subfield":{"id":"https://openalex.org/subfields/2718","display_name":"Health Informatics"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/reinforcement-learning","display_name":"Reinforcement learning","score":0.7724000215530396},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5903000235557556},{"id":"https://openalex.org/keywords/natural-language","display_name":"Natural language","score":0.47749999165534973},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4406000077724457},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.352400004863739},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.30079999566078186}],"concepts":[{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.7724000215530396},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7555000185966492},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5903000235557556},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4887999892234802},{"id":"https://openalex.org/C195324797","wikidata":"https://www.wikidata.org/wiki/Q33742","display_name":"Natural language","level":2,"score":0.47749999165534973},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4406000077724457},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.352400004863739},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.337799996137619},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.3206999897956848},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.302700012922287},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.30079999566078186},{"id":"https://openalex.org/C2780233690","wikidata":"https://www.wikidata.org/wiki/Q535347","display_name":"Transparency (behavior)","level":2,"score":0.28929999470710754},{"id":"https://openalex.org/C2779439875","wikidata":"https://www.wikidata.org/wiki/Q1078276","display_name":"Natural language understanding","level":3,"score":0.26809999346733093},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.25429999828338623},{"id":"https://openalex.org/C74672266","wikidata":"https://www.wikidata.org/wiki/Q815859","display_name":"Language acquisition","level":2,"score":0.2500999867916107}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.compchemeng.2026.109672","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.compchemeng.2026.109672","pdf_url":null,"source":{"id":"https://openalex.org/S150671403","display_name":"Computers & Chemical Engineering","issn_l":"0098-1354","issn":["0098-1354","1873-4375"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computers &amp; Chemical Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.4843354821205139,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320309036","display_name":"Purdue University","ror":"https://ror.org/02dqehb95"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320337345","display_name":"Office of Naval Research","ror":"https://ror.org/00rk2pe57"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W2150436340","https://openalex.org/W2885282028","https://openalex.org/W2963095307","https://openalex.org/W2996001543","https://openalex.org/W2998004401","https://openalex.org/W3025528584","https://openalex.org/W3112388352","https://openalex.org/W3214262270","https://openalex.org/W4353051709","https://openalex.org/W4385302687","https://openalex.org/W4386193536","https://openalex.org/W4391897126","https://openalex.org/W4393159635","https://openalex.org/W4399507014","https://openalex.org/W4400810536","https://openalex.org/W4401836501","https://openalex.org/W4406302472","https://openalex.org/W4408247476","https://openalex.org/W4408320522","https://openalex.org/W4409973896","https://openalex.org/W4414161210","https://openalex.org/W7104048108"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-29T09:16:38.111599","created_date":"2026-04-21T00:00:00"}
