{"id":"https://openalex.org/W4406897546","doi":"https://doi.org/10.46298/lmcs-21(1:9)2025","title":"Diversity of Answers to Conjunctive Queries","display_name":"Diversity of Answers to Conjunctive Queries","publication_year":2025,"publication_date":"2025-01-28","ids":{"openalex":"https://openalex.org/W4406897546","doi":"https://doi.org/10.46298/lmcs-21(1:9)2025"},"language":"en","primary_location":{"id":"doi:10.46298/lmcs-21(1:9)2025","is_oa":true,"landing_page_url":"https://doi.org/10.46298/lmcs-21(1:9)2025","pdf_url":"https://lmcs.episciences.org/15156/pdf","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_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,"raw_source_name":"Logical Methods in Computer Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://lmcs.episciences.org/15156/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080499125","display_name":"Timo Camillo Merkl","orcid":"https://orcid.org/0009-0003-7206-2518"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Timo Camillo Merkl","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091683403","display_name":"Reinhard Pichler","orcid":"https://orcid.org/0000-0002-1760-122X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Reinhard Pichler","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5088801808","display_name":"Sebastian Skritek","orcid":"https://orcid.org/0000-0003-3054-7683"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sebastian Skritek","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5080499125"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00583249,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"Volume 21, Issue 1","issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9657999873161316,"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9657999873161316,"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9520999789237976,"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"}},{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9460999965667725,"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/conjunctive-query","display_name":"Conjunctive query","score":0.7409642338752747},{"id":"https://openalex.org/keywords/diversity","display_name":"Diversity (politics)","score":0.6867495179176331},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6420702934265137},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.41489073634147644},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3845428228378296},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.32465848326683044},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.10264122486114502},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.07448828220367432}],"concepts":[{"id":"https://openalex.org/C65647387","wikidata":"https://www.wikidata.org/wiki/Q1781706","display_name":"Conjunctive query","level":3,"score":0.7409642338752747},{"id":"https://openalex.org/C2781316041","wikidata":"https://www.wikidata.org/wiki/Q1230584","display_name":"Diversity (politics)","level":2,"score":0.6867495179176331},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6420702934265137},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.41489073634147644},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3845428228378296},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.32465848326683044},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.10264122486114502},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.07448828220367432},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.46298/lmcs-21(1:9)2025","is_oa":true,"landing_page_url":"https://doi.org/10.46298/lmcs-21(1:9)2025","pdf_url":"https://lmcs.episciences.org/15156/pdf","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_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,"raw_source_name":"Logical Methods in Computer Science","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:20d65f11181746c6944091f551f84151","is_oa":true,"landing_page_url":"https://doaj.org/article/20d65f11181746c6944091f551f84151","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Logical Methods in Computer Science, Vol Volume 21, Issue 1 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.46298/lmcs-21(1:9)2025","is_oa":true,"landing_page_url":"https://doi.org/10.46298/lmcs-21(1:9)2025","pdf_url":"https://lmcs.episciences.org/15156/pdf","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_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,"raw_source_name":"Logical Methods in Computer Science","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3867201627","display_name":null,"funder_award_id":"P30930","funder_id":"https://openalex.org/F4320321181","funder_display_name":"Austrian Science Fund"},{"id":"https://openalex.org/G6631213480","display_name":null,"funder_award_id":"P30930-N35","funder_id":"https://openalex.org/F4320321181","funder_display_name":"Austrian Science Fund"},{"id":"https://openalex.org/G7155909315","display_name":null,"funder_award_id":"10.47379/ICT2201","funder_id":"https://openalex.org/F4320321003","funder_display_name":"Vienna Science and Technology Fund"}],"funders":[{"id":"https://openalex.org/F4320321003","display_name":"Vienna Science and Technology Fund","ror":"https://ror.org/01f9mc681"},{"id":"https://openalex.org/F4320321181","display_name":"Austrian Science Fund","ror":"https://ror.org/013tf3c58"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4406897546.pdf"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1810918211","https://openalex.org/W1606535634","https://openalex.org/W1979514837","https://openalex.org/W2963348585","https://openalex.org/W2137382312","https://openalex.org/W2951257011","https://openalex.org/W2338525844","https://openalex.org/W1491404282","https://openalex.org/W4299540831","https://openalex.org/W2063039776"],"abstract_inverted_index":{"Enumeration":[0],"problems":[1],"aim":[2],"at":[3,77],"outputting,":[4],"without":[5],"repetition,":[6],"the":[7,18,41,49,52,57,78,81,95,114,119],"set":[8,21],"of":[9,40,51,66,80,107],"solutions":[10,42],"to":[11,48,60,101,113,122],"a":[12,35,62,103],"given":[13,115],"problem":[14,84,96],"instance.":[15],"However,":[16],"outputting":[17,34],"entire":[19],"solution":[20],"may":[22],"be":[23,44],"prohibitively":[24],"expensive":[25],"if":[26,97],"it":[27,98],"is":[28,59,99],"too":[29],"big.":[30],"In":[31,72],"this":[32,73],"case,":[33,121],"small,":[36],"sufficiently":[37],"diverse":[38],"subset":[39],"would":[43],"preferable.":[45],"This":[46],"leads":[47],"Diverse-version":[50,79],"original":[53],"enumeration":[54],"problem,":[55],"where":[56],"goal":[58],"achieve":[61,102],"certain":[63,104],"level":[64,105],"d":[65,106],"diversity":[67,108],"by":[68,109],"selecting":[69,110],"k":[70,111,126],"solutions.":[71],"paper,":[74],"we":[75,93],"look":[76],"query":[82,116],"answering":[83],"for":[85],"Conjunctive":[86],"Queries":[87],"and":[88],"extensions":[89],"thereof.":[90],"That":[91],"is,":[92],"study":[94],"possible":[100],"answers":[112],"and,":[117],"in":[118],"positive":[120],"actually":[123],"compute":[124],"such":[125],"answers.":[127]},"counts_by_year":[],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}
