{"id":"https://openalex.org/W1529356409","doi":"https://doi.org/10.1007/978-3-540-70583-3_15","title":"Directed st-Connectivity Is Not Expressible in Symmetric Datalog","display_name":"Directed st-Connectivity Is Not Expressible in Symmetric Datalog","publication_year":2008,"publication_date":"2008-08-12","ids":{"openalex":"https://openalex.org/W1529356409","doi":"https://doi.org/10.1007/978-3-540-70583-3_15","mag":"1529356409"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-540-70583-3_15","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-70583-3_15","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"conference-paper","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/A5042337191","display_name":"L\u00e1szl\u00f3 Egri","orcid":null},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"L\u00e1szl\u00f3 Egri","raw_affiliation_strings":["School of Computer Science, McGill University, \u00a0","School of Computer Science, McGill University#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science, McGill University, \u00a0","institution_ids":["https://openalex.org/I5023651"]},{"raw_affiliation_string":"School of Computer Science, McGill University#TAB#","institution_ids":["https://openalex.org/I5023651"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016192081","display_name":"Beno\u00eet Larose","orcid":null},"institutions":[{"id":"https://openalex.org/I105925353","display_name":"Concordia University Wisconsin","ror":"https://ror.org/04k83g518","country_code":"US","type":"education","lineage":["https://openalex.org/I105925353"]},{"id":"https://openalex.org/I4210148195","display_name":"Concordia University","ror":"https://ror.org/04dwckp88","country_code":"US","type":"education","lineage":["https://openalex.org/I4210148195"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Beno\u00eet Larose","raw_affiliation_strings":["Department of Mathematics and Statistics, Concordia University, \u00a0","Department of Mathematics and Statistics, Concordia University;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Statistics, Concordia University, \u00a0","institution_ids":["https://openalex.org/I4210148195"]},{"raw_affiliation_string":"Department of Mathematics and Statistics, Concordia University;","institution_ids":["https://openalex.org/I105925353"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044226857","display_name":"Pascal Tesson","orcid":null},"institutions":[{"id":"https://openalex.org/I4210161954","display_name":"D\u00e9partement d'Informatique","ror":"https://ror.org/05y6rqs46","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1326498283","https://openalex.org/I2746051580","https://openalex.org/I29607241","https://openalex.org/I4210159245","https://openalex.org/I4210161954"]},{"id":"https://openalex.org/I43406934","display_name":"Universit\u00e9 Laval","ror":"https://ror.org/04sjchr03","country_code":"CA","type":"education","lineage":["https://openalex.org/I43406934"]}],"countries":["CA","FR"],"is_corresponding":false,"raw_author_name":"Pascal Tesson","raw_affiliation_strings":["D\u00e9partement d\u2019Informatique et de G\u00e9nie Logiciel, Universit\u00e9 Laval, \u00a0","D\u00e9partement d\u2019Informatique et de G\u00e9nie Logiciel, Universit\u00e9 Laval"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"D\u00e9partement d\u2019Informatique et de G\u00e9nie Logiciel, Universit\u00e9 Laval, \u00a0","institution_ids":["https://openalex.org/I4210161954"]},{"raw_affiliation_string":"D\u00e9partement d\u2019Informatique et de G\u00e9nie Logiciel, Universit\u00e9 Laval","institution_ids":["https://openalex.org/I43406934"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"172","last_page":"183"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.998199999332428,"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"}},"topics":[{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.998199999332428,"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"}},{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9980999827384949,"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"}},{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9957000017166138,"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/datalog","display_name":"Datalog","score":0.9659998416900635},{"id":"https://openalex.org/keywords/monotone-polygon","display_name":"Monotone polygon","score":0.6273500919342041},{"id":"https://openalex.org/keywords/expressive-power","display_name":"Expressive power","score":0.5744990110397339},{"id":"https://openalex.org/keywords/homomorphism","display_name":"Homomorphism","score":0.5204339623451233},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5092562437057495},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4798014461994171},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.46715229749679565},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.43848252296447754},{"id":"https://openalex.org/keywords/hypercube","display_name":"Hypercube","score":0.4346832036972046},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.1707170307636261}],"concepts":[{"id":"https://openalex.org/C148230440","wikidata":"https://www.wikidata.org/wiki/Q1172264","display_name":"Datalog","level":2,"score":0.9659998416900635},{"id":"https://openalex.org/C2834757","wikidata":"https://www.wikidata.org/wiki/Q4925424","display_name":"Monotone polygon","level":2,"score":0.6273500919342041},{"id":"https://openalex.org/C195818886","wikidata":"https://www.wikidata.org/wiki/Q5421724","display_name":"Expressive power","level":2,"score":0.5744990110397339},{"id":"https://openalex.org/C4042151","wikidata":"https://www.wikidata.org/wiki/Q215111","display_name":"Homomorphism","level":2,"score":0.5204339623451233},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5092562437057495},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4798014461994171},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46715229749679565},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.43848252296447754},{"id":"https://openalex.org/C50820777","wikidata":"https://www.wikidata.org/wiki/Q213723","display_name":"Hypercube","level":2,"score":0.4346832036972046},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.1707170307636261},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-540-70583-3_15","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-70583-3_15","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W51516856","https://openalex.org/W1489366126","https://openalex.org/W1555655798","https://openalex.org/W1562734116","https://openalex.org/W1984280364","https://openalex.org/W2023552332","https://openalex.org/W2027524199","https://openalex.org/W2049516232","https://openalex.org/W2071035573","https://openalex.org/W2150339067","https://openalex.org/W2164286489","https://openalex.org/W2166162093","https://openalex.org/W2171280299","https://openalex.org/W3104030884"],"related_works":["https://openalex.org/W4394664935","https://openalex.org/W2087528959","https://openalex.org/W3121709727","https://openalex.org/W2963679208","https://openalex.org/W1560546362","https://openalex.org/W1997397657","https://openalex.org/W4387885179","https://openalex.org/W1502477797","https://openalex.org/W4237831588","https://openalex.org/W3213137469"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
