{"id":"https://openalex.org/W2004460530","doi":"https://doi.org/10.1007/bf01195536","title":"Combination problems for commutative/monoidal theories or how algebra can help in equational unification","display_name":"Combination problems for commutative/monoidal theories or how algebra can help in equational unification","publication_year":1996,"publication_date":"1996-07-01","ids":{"openalex":"https://openalex.org/W2004460530","doi":"https://doi.org/10.1007/bf01195536","mag":"2004460530"},"language":"en","primary_location":{"id":"doi:10.1007/bf01195536","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01195536","pdf_url":null,"source":{"id":"https://openalex.org/S44535979","display_name":"Applicable Algebra in Engineering Communication and Computing","issn_l":"0938-1279","issn":["0938-1279","1432-0622"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applicable Algebra in Engineering, Communication and Computing","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/A5086254817","display_name":"Franz Baader","orcid":"https://orcid.org/0000-0002-4049-221X"},"institutions":[{"id":"https://openalex.org/I4210126395","display_name":"Inform (Germany)","ror":"https://ror.org/02x8c2t37","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210126395"]},{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Franz Baader","raw_affiliation_strings":["Lehr- und Forschungsgebiet Theoretische Informatik, RWTH Aachen, Ahornstra\u00dfe 55, D-52074, Aachen, Germany","Lehr- und Forschungsgebiet Theoretische Informatik, RWTH Aachen, Aachen, Germany"],"affiliations":[{"raw_affiliation_string":"Lehr- und Forschungsgebiet Theoretische Informatik, RWTH Aachen, Ahornstra\u00dfe 55, D-52074, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"Lehr- und Forschungsgebiet Theoretische Informatik, RWTH Aachen, Aachen, Germany","institution_ids":["https://openalex.org/I887968799","https://openalex.org/I4210126395"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038176802","display_name":"Werner Nutt","orcid":"https://orcid.org/0000-0002-9347-1885"},"institutions":[{"id":"https://openalex.org/I33256026","display_name":"German Research Centre for Artificial Intelligence","ror":"https://ror.org/01ayc5b57","country_code":"DE","type":"funder","lineage":["https://openalex.org/I33256026"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Werner Nutt","raw_affiliation_strings":["German Research Center for Artificial Intelligence (DFKI), Stuhlsatzenhausweg 3, D-66123, Saarbr\u00fccken, Germany","German Research Center for Artificial Intelligence (DFKI), Saarbr\u00fccken, Germany"],"affiliations":[{"raw_affiliation_string":"German Research Center for Artificial Intelligence (DFKI), Stuhlsatzenhausweg 3, D-66123, Saarbr\u00fccken, Germany","institution_ids":["https://openalex.org/I33256026"]},{"raw_affiliation_string":"German Research Center for Artificial Intelligence (DFKI), Saarbr\u00fccken, Germany","institution_ids":["https://openalex.org/I33256026"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5086254817"],"corresponding_institution_ids":["https://openalex.org/I4210126395","https://openalex.org/I887968799"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.11356551,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"7","issue":"4","first_page":"309","last_page":"337"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9987999796867371,"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/T10126","display_name":"Logic, programming, and type systems","score":0.9987999796867371,"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":0.9800999760627747,"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/T10896","display_name":"Homotopy and Cohomology in Algebraic Topology","score":0.9739000201225281,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/finitary","display_name":"Finitary","score":0.7538425326347351},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7281531095504761},{"id":"https://openalex.org/keywords/semiring","display_name":"Semiring","score":0.698197603225708},{"id":"https://openalex.org/keywords/symmetric-monoidal-category","display_name":"Symmetric monoidal category","score":0.5776214599609375},{"id":"https://openalex.org/keywords/monoidal-category","display_name":"Monoidal category","score":0.5739148855209351},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.48771795630455017},{"id":"https://openalex.org/keywords/unification","display_name":"Unification","score":0.48448917269706726},{"id":"https://openalex.org/keywords/adjunction","display_name":"Adjunction","score":0.4561331868171692},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.44923099875450134},{"id":"https://openalex.org/keywords/abelian-group","display_name":"Abelian group","score":0.4410872757434845},{"id":"https://openalex.org/keywords/commutative-property","display_name":"Commutative property","score":0.4280790686607361},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.10281789302825928},{"id":"https://openalex.org/keywords/functor","display_name":"Functor","score":0.08105382323265076}],"concepts":[{"id":"https://openalex.org/C2778003309","wikidata":"https://www.wikidata.org/wiki/Q5450381","display_name":"Finitary","level":2,"score":0.7538425326347351},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7281531095504761},{"id":"https://openalex.org/C21696900","wikidata":"https://www.wikidata.org/wiki/Q1333055","display_name":"Semiring","level":2,"score":0.698197603225708},{"id":"https://openalex.org/C98912367","wikidata":"https://www.wikidata.org/wiki/Q17103860","display_name":"Symmetric monoidal category","level":3,"score":0.5776214599609375},{"id":"https://openalex.org/C2779904274","wikidata":"https://www.wikidata.org/wiki/Q1945014","display_name":"Monoidal category","level":2,"score":0.5739148855209351},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.48771795630455017},{"id":"https://openalex.org/C96146094","wikidata":"https://www.wikidata.org/wiki/Q609057","display_name":"Unification","level":2,"score":0.48448917269706726},{"id":"https://openalex.org/C2780580338","wikidata":"https://www.wikidata.org/wiki/Q577835","display_name":"Adjunction","level":2,"score":0.4561331868171692},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.44923099875450134},{"id":"https://openalex.org/C136170076","wikidata":"https://www.wikidata.org/wiki/Q181296","display_name":"Abelian group","level":2,"score":0.4410872757434845},{"id":"https://openalex.org/C183778304","wikidata":"https://www.wikidata.org/wiki/Q165474","display_name":"Commutative property","level":2,"score":0.4280790686607361},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.10281789302825928},{"id":"https://openalex.org/C156772000","wikidata":"https://www.wikidata.org/wiki/Q864475","display_name":"Functor","level":2,"score":0.08105382323265076},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/bf01195536","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01195536","pdf_url":null,"source":{"id":"https://openalex.org/S44535979","display_name":"Applicable Algebra in Engineering Communication and Computing","issn_l":"0938-1279","issn":["0938-1279","1432-0622"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applicable Algebra in Engineering, Communication and Computing","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.57.775","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.57.775","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ftp://ftp.dfki.uni-sb.de/pub/tacos/Papers/aaecc96.ps.gz","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W128107162","https://openalex.org/W1480465948","https://openalex.org/W1501130453","https://openalex.org/W1527996124","https://openalex.org/W1530951877","https://openalex.org/W1532161068","https://openalex.org/W1578799410","https://openalex.org/W1666913489","https://openalex.org/W1856526373","https://openalex.org/W1979101142","https://openalex.org/W2017637575","https://openalex.org/W2025331328","https://openalex.org/W2042924775","https://openalex.org/W2047669821","https://openalex.org/W2048748607","https://openalex.org/W2056016391","https://openalex.org/W2056637458","https://openalex.org/W2065794924","https://openalex.org/W2074681477","https://openalex.org/W2075469844","https://openalex.org/W2082354652","https://openalex.org/W2090705567","https://openalex.org/W2138196723","https://openalex.org/W2143620943","https://openalex.org/W2149257851","https://openalex.org/W2153525410","https://openalex.org/W2798613517","https://openalex.org/W2913944636","https://openalex.org/W2969873114","https://openalex.org/W3127823229","https://openalex.org/W4237113984","https://openalex.org/W4244478014","https://openalex.org/W4251852318","https://openalex.org/W4285719527","https://openalex.org/W4388298880"],"related_works":["https://openalex.org/W2033560440","https://openalex.org/W2075406361","https://openalex.org/W4387799810","https://openalex.org/W4361020500","https://openalex.org/W2964012494","https://openalex.org/W4298295183","https://openalex.org/W2093544657","https://openalex.org/W1973397854","https://openalex.org/W2962888532","https://openalex.org/W3100673643"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}