{"id":"https://openalex.org/W2040745167","doi":"https://doi.org/10.1016/s1571-0661(04)00167-7","title":"From B\u00f6hm's Theorem to Observational Equivalences","display_name":"From B\u00f6hm's Theorem to Observational Equivalences","publication_year":2001,"publication_date":"2001-08-01","ids":{"openalex":"https://openalex.org/W2040745167","doi":"https://doi.org/10.1016/s1571-0661(04)00167-7","mag":"2040745167"},"language":"en","primary_location":{"id":"doi:10.1016/s1571-0661(04)00167-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(04)00167-7","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.1016/s1571-0661(04)00167-7","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5053585862","display_name":"Mariangiola Dezani-Ciancaglini","orcid":"https://orcid.org/0000-0002-3341-0941"},"institutions":[{"id":"https://openalex.org/I55143463","display_name":"University of Turin","ror":"https://ror.org/048tbm396","country_code":"IT","type":"education","lineage":["https://openalex.org/I55143463"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Mariangiola Dezani-Ciancaglini","raw_affiliation_strings":["Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino corso Svizzera 185, 10149 Torino, Italia","Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino, corso Svizzera 185, 10149 Torino, Italia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino corso Svizzera 185, 10149 Torino, Italia","institution_ids":["https://openalex.org/I55143463"]},{"raw_affiliation_string":"Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino, corso Svizzera 185, 10149 Torino, Italia","institution_ids":["https://openalex.org/I55143463"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003588595","display_name":"Elio Giovannetti","orcid":null},"institutions":[{"id":"https://openalex.org/I55143463","display_name":"University of Turin","ror":"https://ror.org/048tbm396","country_code":"IT","type":"education","lineage":["https://openalex.org/I55143463"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Elio Giovannetti","raw_affiliation_strings":["Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino corso Svizzera 185, 10149 Torino, Italia","Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino, corso Svizzera 185, 10149 Torino, Italia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino corso Svizzera 185, 10149 Torino, Italia","institution_ids":["https://openalex.org/I55143463"]},{"raw_affiliation_string":"Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino, corso Svizzera 185, 10149 Torino, Italia","institution_ids":["https://openalex.org/I55143463"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5003588595","https://openalex.org/A5053585862"],"corresponding_institution_ids":["https://openalex.org/I55143463"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.11257589,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"50","issue":"2","first_page":"83","last_page":"116"},"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":0.9983999729156494,"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/T11727","display_name":"Advanced Algebra and Logic","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/term","display_name":"Term (time)","score":0.7584824562072754},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5795591473579407},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5785198211669922},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5443912744522095},{"id":"https://openalex.org/keywords/representation-theorem","display_name":"Representation theorem","score":0.47167453169822693},{"id":"https://openalex.org/keywords/calculus","display_name":"Calculus (dental)","score":0.4616175591945648},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.4236922860145569},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.41200560331344604},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.34411752223968506},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3301735520362854},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.3143898546695709}],"concepts":[{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.7584824562072754},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5795591473579407},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5785198211669922},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5443912744522095},{"id":"https://openalex.org/C2776230367","wikidata":"https://www.wikidata.org/wiki/Q7314222","display_name":"Representation theorem","level":2,"score":0.47167453169822693},{"id":"https://openalex.org/C2777686260","wikidata":"https://www.wikidata.org/wiki/Q144037","display_name":"Calculus (dental)","level":2,"score":0.4616175591945648},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.4236922860145569},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.41200560331344604},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.34411752223968506},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3301735520362854},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.3143898546695709},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s1571-0661(04)00167-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(04)00167-7","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"},{"id":"pmh:oai:zenodo.org:161466","is_oa":true,"landing_page_url":"https://www.openaccessrepository.it/record/161466","pdf_url":null,"source":{"id":"https://openalex.org/S4306402478","display_name":"INFM-OAR (INFN Catania)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210116497","host_organization_name":"Istituto Nazionale di Fisica Nucleare, Sezione di Catania","host_organization_lineage":["https://openalex.org/I4210116497"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.1016/s1571-0661(04)00167-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(04)00167-7","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W103344166","https://openalex.org/W105925300","https://openalex.org/W258022877","https://openalex.org/W1492737256","https://openalex.org/W1543641760","https://openalex.org/W1547562281","https://openalex.org/W1579914362","https://openalex.org/W1968168625","https://openalex.org/W1979206410","https://openalex.org/W1999005577","https://openalex.org/W2031709122","https://openalex.org/W2036605992","https://openalex.org/W2038174684","https://openalex.org/W2064989895","https://openalex.org/W2070032247","https://openalex.org/W2088941870","https://openalex.org/W2093541252","https://openalex.org/W2094079428","https://openalex.org/W2131435036","https://openalex.org/W2141425500","https://openalex.org/W2141568518","https://openalex.org/W2154273644","https://openalex.org/W2161975259","https://openalex.org/W2165407648","https://openalex.org/W2184268586","https://openalex.org/W2614590725","https://openalex.org/W2767689048","https://openalex.org/W3013667383","https://openalex.org/W4211265583","https://openalex.org/W4243711577","https://openalex.org/W6680979160","https://openalex.org/W6684110223","https://openalex.org/W7053504691"],"related_works":["https://openalex.org/W42295635","https://openalex.org/W1973996291","https://openalex.org/W2330575325","https://openalex.org/W4388747848","https://openalex.org/W2163803519","https://openalex.org/W2497592525","https://openalex.org/W3096145648","https://openalex.org/W3197510923","https://openalex.org/W2155782347","https://openalex.org/W2562694972"],"abstract_inverted_index":{"There":[0],"are":[1],"essentially":[2],"two":[3],"ways":[4],"of":[5,11,23,52,67,77],"looking":[6],"at":[7],"the":[8,17,37,53,58,68],"computational":[9],"behaviours":[10],"\u03bb-terms.":[12],"One":[13],"consists":[14,34],"in":[15,35,57,74],"putting":[16],"term":[18,38],"within":[19],"a":[20,49],"context":[21],"(possibly":[22],"\u03bb-calculus":[24],"extensions)":[25],"and":[26],"observing":[27],"some":[28,40],"properties":[29],"(typically":[30],"termination).":[31],"The":[32,61],"other":[33],"reducing":[36],"until":[39],"meaningful":[41],"information":[42,54],"is":[43,63],"obtained:":[44],"this":[45],"naturally":[46],"leads":[47],"to":[48],"tree":[50],"representation":[51],"implicitly":[55],"contained":[56],"original":[59],"term.":[60],"paper":[62],"an":[64],"informal":[65],"overview":[66],"role":[69],"played":[70],"by":[71],"B\u00f6hm's":[72],"Theorem":[73],"these":[75],"observations":[76],"terms.":[78]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}