{"id":"https://openalex.org/W4400761567","doi":"https://doi.org/10.23638/lmcs-16(1:25)2020","title":"First-order queries on classes of structures with bounded expansion","display_name":"First-order queries on classes of structures with bounded expansion","publication_year":2020,"publication_date":"2020-02-25","ids":{"openalex":"https://openalex.org/W4400761567","doi":"https://doi.org/10.23638/lmcs-16(1:25)2020"},"language":"en","primary_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.23638/lmcs-16(1:25)2020","pdf_url":null,"source":{"id":"https://openalex.org/S114379355","display_name":"Logical Methods in Computer Science","issn_l":"1860-5974","issn":["1860-5974"],"is_oa":true,"is_in_doaj":true,"is_indexed_in_scopus":true,"is_core":true,"host_organization":"https://openalex.org/P4310313916","host_organization_name":"Logical Methods in Computer Science e.V.","host_organization_lineage":["https://openalex.org/P4310313916"],"host_organization_lineage_names":["Logical Methods in Computer Science e.V."],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true},"type":"article","type_crossref":"journal-article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.23638/lmcs-16(1:25)2020","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5003524565","display_name":"Wojtek Kazana","orcid":null},"institutions":[{"id":"https://openalex.org/I11559806","display_name":"\u00c9cole Normale Sup\u00e9rieure Paris-Saclay","ror":"https://ror.org/00hx6zz33","country_code":"FR","type":"education","lineage":["https://openalex.org/I11559806","https://openalex.org/I277688954"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Wojtek Kazana","raw_affiliation_strings":["ENS Cachan - \u00c9cole normale sup\u00e9rieure - Cachan (61, avenue du Pr\u00e9sident Wilson - 94230 Cachan - France)"],"affiliations":[{"raw_affiliation_string":"ENS Cachan - \u00c9cole normale sup\u00e9rieure - Cachan (61, avenue du Pr\u00e9sident Wilson - 94230 Cachan - France)","institution_ids":["https://openalex.org/I11559806"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042411667","display_name":"Luc Segoufin","orcid":"https://orcid.org/0000-0002-9564-7581"},"institutions":[],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Luc Segoufin","raw_affiliation_strings":["VALDA - Value from Data (ENS Paris - France)"],"affiliations":[{"raw_affiliation_string":"VALDA - Value from Data (ENS Paris - France)","institution_ids":[]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":0,"currency":"USD","value_usd":0},"apc_paid":null,"fwci":0.114,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.506197,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":69,"max":73},"biblio":{"volume":"Volume 16, Issue 1","issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9997,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9997,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.999,"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/T12288","display_name":"Optimization and Search Problems","score":0.9987,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/treewidth","display_name":"Treewidth","score":0.7988246},{"id":"https://openalex.org/keywords/constant","display_name":"Constant (computer programming)","score":0.49713495}],"concepts":[{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.86039},{"id":"https://openalex.org/C132569581","wikidata":"https://www.wikidata.org/wiki/Q5067368","display_name":"Treewidth","level":5,"score":0.7988246},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.5174849},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.50652635},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.49713495},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.42526186},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.42358798},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.35274464},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.09087032},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06389141},{"id":"https://openalex.org/C43517604","wikidata":"https://www.wikidata.org/wiki/Q7144893","display_name":"Pathwidth","level":4,"score":0.058858633},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"is_oa":true,"landing_page_url":"https://doi.org/10.23638/lmcs-16(1:25)2020","pdf_url":null,"source":{"id":"https://openalex.org/S114379355","display_name":"Logical Methods in Computer Science","issn_l":"1860-5974","issn":["1860-5974"],"is_oa":true,"is_in_doaj":true,"is_indexed_in_scopus":true,"is_core":true,"host_organization":"https://openalex.org/P4310313916","host_organization_name":"Logical Methods in Computer Science e.V.","host_organization_lineage":["https://openalex.org/P4310313916"],"host_organization_lineage_names":["Logical Methods in Computer Science e.V."],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true},{"is_oa":false,"landing_page_url":"https://hal.inria.fr/hal-01706665","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":["Centre National de la Recherche Scientifique"],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},{"is_oa":true,"landing_page_url":"https://inria.hal.science/hal-01706665","pdf_url":"https://inria.hal.science/hal-01706665/document","source":null,"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false}],"best_oa_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.23638/lmcs-16(1:25)2020","pdf_url":null,"source":{"id":"https://openalex.org/S114379355","display_name":"Logical Methods in Computer Science","issn_l":"1860-5974","issn":["1860-5974"],"is_oa":true,"is_in_doaj":true,"is_indexed_in_scopus":true,"is_core":true,"host_organization":"https://openalex.org/P4310313916","host_organization_name":"Logical Methods in Computer Science e.V.","host_organization_lineage":["https://openalex.org/P4310313916"],"host_organization_lineage_names":["Logical Methods in Computer Science e.V."],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true},"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":19,"referenced_works":["https://openalex.org/W1527664624","https://openalex.org/W1573632260","https://openalex.org/W1579803282","https://openalex.org/W1978747958","https://openalex.org/W1985598531","https://openalex.org/W2014984050","https://openalex.org/W2030076354","https://openalex.org/W2048685245","https://openalex.org/W2064796716","https://openalex.org/W2112212574","https://openalex.org/W2132869799","https://openalex.org/W2137931097","https://openalex.org/W2151489984","https://openalex.org/W2595518841","https://openalex.org/W2605194845","https://openalex.org/W2625266575","https://openalex.org/W4297925464","https://openalex.org/W4300618478","https://openalex.org/W891461"],"related_works":["https://openalex.org/W4306887989","https://openalex.org/W4302375582","https://openalex.org/W4300619607","https://openalex.org/W2964174631","https://openalex.org/W2951811902","https://openalex.org/W2223243427","https://openalex.org/W2181309150","https://openalex.org/W2029368061","https://openalex.org/W186753374","https://openalex.org/W1810116456"],"abstract_inverted_index":{"We":[0,61,88],"consider":[1],"the":[2,56,59,93,107,110],"evaluation":[3],"of":[4,9,16,30,42,58,66,95,109],"first-order":[5,47,75],"queries":[6,76],"over":[7,39],"classes":[8],"databases":[10,43],"with":[11,44,80],"bounded":[12,17,24,26,45],"expansion.":[13],"The":[14],"notion":[15],"expansion":[18],"is":[19],"fairly":[20],"broad":[21],"and":[22,28],"generalizes":[23],"degree,":[25],"treewidth":[27],"exclusion":[29],"at":[31],"least":[32],"one":[33],"minor.":[34],"It":[35],"was":[36],"known":[37],"that":[38,72,91],"a":[40,63,84,98],"class":[41],"expansion,":[46],"sentences":[48],"could":[49],"be":[50,78,101],"evaluated":[51],"in":[52,55,103,106],"time":[53,86,104],"linear":[54,85,105],"size":[57,108],"database.":[60,111],"give":[62],"different":[64],"proof":[65],"this":[67],"result.":[68],"Moreover,":[69],"we":[70],"show":[71,90],"answers":[73,96],"to":[74,97],"can":[77,100],"enumerated":[79],"constant":[81],"delay":[82],"after":[83],"preprocessing.":[87],"also":[89],"counting":[92],"number":[94],"query":[99],"done":[102]},"abstract_inverted_index_v3":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W4400761567","counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-04-18T19:44:38.052980","created_date":"2024-07-18"}