{"id":"https://openalex.org/W3159609930","doi":"https://doi.org/10.1109/lics52264.2021.9470511","title":"On Logics and Homomorphism Closure","display_name":"On Logics and Homomorphism Closure","publication_year":2021,"publication_date":"2021-06-29","ids":{"openalex":"https://openalex.org/W3159609930","doi":"https://doi.org/10.1109/lics52264.2021.9470511","mag":"3159609930"},"language":"en","primary_location":{"id":"doi:10.1109/lics52264.2021.9470511","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lics52264.2021.9470511","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 36th Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2104.11955","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058729018","display_name":"Manuel Bodirsky","orcid":"https://orcid.org/0000-0001-8228-3611"},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"TU Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Manuel Bodirsky","raw_affiliation_strings":["Institut f\u00fcr Algebra TU Dresden"],"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Algebra TU Dresden","institution_ids":["https://openalex.org/I78650965"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069038621","display_name":"Thomas Feller","orcid":"https://orcid.org/0000-0001-8420-6118"},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"TU Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Thomas Feller","raw_affiliation_strings":["Computational Logic Group TU Dresden","Computational Logic Group, TU Dresden"],"affiliations":[{"raw_affiliation_string":"Computational Logic Group TU Dresden","institution_ids":["https://openalex.org/I78650965"]},{"raw_affiliation_string":"Computational Logic Group, TU Dresden","institution_ids":["https://openalex.org/I78650965"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067688686","display_name":"Simon Kn\u00e4uer","orcid":null},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"TU Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Simon Knauer","raw_affiliation_strings":["Institut f\u00fcr Algebra TU Dresden"],"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Algebra TU Dresden","institution_ids":["https://openalex.org/I78650965"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024774718","display_name":"Sebastian Rudolph","orcid":"https://orcid.org/0000-0002-1609-2080"},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"TU Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Sebastian Rudolph","raw_affiliation_strings":["Computational Logic Group TU Dresden","Computational Logic Group, TU Dresden"],"affiliations":[{"raw_affiliation_string":"Computational Logic Group TU Dresden","institution_ids":["https://openalex.org/I78650965"]},{"raw_affiliation_string":"Computational Logic Group, TU Dresden","institution_ids":["https://openalex.org/I78650965"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5058729018"],"corresponding_institution_ids":["https://openalex.org/I78650965"],"apc_list":null,"apc_paid":null,"fwci":0.14,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.53349182,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"7","issue":null,"first_page":"1","last_page":"13"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9995999932289124,"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9995999932289124,"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/T10126","display_name":"Logic, programming, and type systems","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"}},{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9961000084877014,"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/homomorphism","display_name":"Homomorphism","score":0.8215029239654541},{"id":"https://openalex.org/keywords/predicate","display_name":"Predicate (mathematical logic)","score":0.7210325002670288},{"id":"https://openalex.org/keywords/first-order-logic","display_name":"First-order logic","score":0.5588062405586243},{"id":"https://openalex.org/keywords/sentence","display_name":"Sentence","score":0.5541372895240784},{"id":"https://openalex.org/keywords/closure","display_name":"Closure (psychology)","score":0.547101616859436},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5246983766555786},{"id":"https://openalex.org/keywords/variety","display_name":"Variety (cybernetics)","score":0.4686811566352844},{"id":"https://openalex.org/keywords/atomic-sentence","display_name":"Atomic sentence","score":0.44161444902420044},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4345027804374695},{"id":"https://openalex.org/keywords/interdependence","display_name":"Interdependence","score":0.41454654932022095},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.3696143627166748},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3448171615600586},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3307288885116577},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2798638939857483},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.2728080153465271},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.12619993090629578}],"concepts":[{"id":"https://openalex.org/C4042151","wikidata":"https://www.wikidata.org/wiki/Q215111","display_name":"Homomorphism","level":2,"score":0.8215029239654541},{"id":"https://openalex.org/C140146324","wikidata":"https://www.wikidata.org/wiki/Q1144319","display_name":"Predicate (mathematical logic)","level":2,"score":0.7210325002670288},{"id":"https://openalex.org/C100481476","wikidata":"https://www.wikidata.org/wiki/Q4055684","display_name":"First-order logic","level":2,"score":0.5588062405586243},{"id":"https://openalex.org/C2777530160","wikidata":"https://www.wikidata.org/wiki/Q41796","display_name":"Sentence","level":2,"score":0.5541372895240784},{"id":"https://openalex.org/C146834321","wikidata":"https://www.wikidata.org/wiki/Q2979672","display_name":"Closure (psychology)","level":2,"score":0.547101616859436},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5246983766555786},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.4686811566352844},{"id":"https://openalex.org/C34849589","wikidata":"https://www.wikidata.org/wiki/Q4345785","display_name":"Atomic sentence","level":3,"score":0.44161444902420044},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4345027804374695},{"id":"https://openalex.org/C185874996","wikidata":"https://www.wikidata.org/wiki/Q269699","display_name":"Interdependence","level":2,"score":0.41454654932022095},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.3696143627166748},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3448171615600586},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3307288885116577},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2798638939857483},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.2728080153465271},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.12619993090629578},{"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/lics52264.2021.9470511","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lics52264.2021.9470511","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 36th Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2104.11955","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2104.11955","pdf_url":"https://arxiv.org/pdf/2104.11955","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":"doi:10.48550/arxiv.2104.11955","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2104.11955","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"},{"id":"mag:3159609930","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2104.11955","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2104.11955","pdf_url":"https://arxiv.org/pdf/2104.11955","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"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320334678","display_name":"European Research Council","ror":"https://ror.org/0472cxd90"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3159609930.pdf","grobid_xml":"https://content.openalex.org/works/W3159609930.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W98589569","https://openalex.org/W1483892218","https://openalex.org/W1499950892","https://openalex.org/W1986667059","https://openalex.org/W1989783863","https://openalex.org/W2017025480","https://openalex.org/W2033647831","https://openalex.org/W2055686117","https://openalex.org/W2059144726","https://openalex.org/W2060270693","https://openalex.org/W2080220005","https://openalex.org/W2086015611","https://openalex.org/W2124580444","https://openalex.org/W2126160338","https://openalex.org/W2138556324","https://openalex.org/W2323777246","https://openalex.org/W2341631904","https://openalex.org/W2401610261","https://openalex.org/W2771115658","https://openalex.org/W2950379689","https://openalex.org/W3091966722","https://openalex.org/W3122656008","https://openalex.org/W3127113455","https://openalex.org/W3164767989","https://openalex.org/W3175686904","https://openalex.org/W3176334073","https://openalex.org/W4236835455","https://openalex.org/W6680501568","https://openalex.org/W6730557908","https://openalex.org/W6757773337","https://openalex.org/W6784019614","https://openalex.org/W6789738865"],"related_works":["https://openalex.org/W3040907334","https://openalex.org/W1858011931","https://openalex.org/W2790626676","https://openalex.org/W2097386663","https://openalex.org/W2092185282","https://openalex.org/W2103906933","https://openalex.org/W1989919258","https://openalex.org/W2124638910","https://openalex.org/W2126826317","https://openalex.org/W2576680833","https://openalex.org/W3025882138","https://openalex.org/W1979333080","https://openalex.org/W1525848704","https://openalex.org/W2037991894","https://openalex.org/W1973124889","https://openalex.org/W2061106041","https://openalex.org/W2311374999","https://openalex.org/W2323345003","https://openalex.org/W1482882201","https://openalex.org/W40658954"],"abstract_inverted_index":{"Predicate":[0],"logic":[1],"is":[2],"the":[3,23,50,55],"premier":[4],"choice":[5],"for":[6,82],"specifying":[7],"classes":[8],"of":[9,29,35,54,57,63,67,92,94],"relational":[10,19],"structures.":[11,20],"Homomorphisms":[12],"are":[13,34],"key":[14],"to":[15,43],"describing":[16],"correspondences":[17],"between":[18,25],"Questions":[21],"concerning":[22],"interdependencies":[24],"these":[26,102],"two":[27],"means":[28],"characterizing":[30],"(classes":[31],"of)":[32],"structures":[33,68],"fundamental":[36],"interest":[37],"and":[38,96],"can":[39],"be":[40],"highly":[41],"non-trivial":[42],"answer.":[44],"We":[45],"investigate":[46],"several":[47],"problems":[48],"regarding":[49],"homomorphism":[51],"closure":[52],"(homclosure)":[53],"class":[56],"all":[58],"(finite":[59],"or":[60],"arbitrary)":[61],"models":[62],"logical":[64],"sentences:":[65],"membership":[66],"in":[69,77,85],"a":[70,78,89],"sentence's":[71],"homclosure;":[72],"sentence":[73],"homclosedness;":[74],"homclosure":[75],"characterizability":[76],"logic;":[79],"normal":[80],"forms":[81],"homclosed":[83],"sentences":[84],"certain":[86],"logics.":[87],"For":[88],"wide":[90],"variety":[91],"fragments":[93],"first-":[95],"second-order":[97],"predicate":[98],"logic,":[99],"we":[100],"clarify":[101],"problems'":[103],"computational":[104],"properties.":[105]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-20T07:46:08.049788","created_date":"2025-10-10T00:00:00"}
