{"id":"https://openalex.org/W2148292667","doi":"https://doi.org/10.1016/0097-3165(72)90085-4","title":"Generating successive incomplete blocks with each pair of elements in at least one block","display_name":"Generating successive incomplete blocks with each pair of elements in at least one block","publication_year":1972,"publication_date":"1972-01-01","ids":{"openalex":"https://openalex.org/W2148292667","doi":"https://doi.org/10.1016/0097-3165(72)90085-4","mag":"2148292667"},"language":"en","primary_location":{"id":"doi:10.1016/0097-3165(72)90085-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0097-3165(72)90085-4","pdf_url":null,"source":{"id":"https://openalex.org/S128556326","display_name":"Journal of Combinatorial Theory Series A","issn_l":"0097-3165","issn":["0097-3165","1096-0899"],"is_oa":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Combinatorial Theory, Series A","raw_type":"journal-article"},"type":"article","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/A5108656787","display_name":"J. C. Gower","orcid":null},"institutions":[{"id":"https://openalex.org/I4210105766","display_name":"Experimental Station","ror":"https://ror.org/01pvt8a36","country_code":"US","type":"other","lineage":["https://openalex.org/I4210105766"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"J.C Gower","raw_affiliation_strings":["Rothamsted Experimental Station, Harpenden, Hertfordshire, England"],"affiliations":[{"raw_affiliation_string":"Rothamsted Experimental Station, Harpenden, Hertfordshire, England","institution_ids":["https://openalex.org/I4210105766"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022415721","display_name":"D. A. Preece","orcid":null},"institutions":[{"id":"https://openalex.org/I4210105766","display_name":"Experimental Station","ror":"https://ror.org/01pvt8a36","country_code":"US","type":"other","lineage":["https://openalex.org/I4210105766"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D.A Preece","raw_affiliation_strings":["Rothamsted Experimental Station, Harpenden, Hertfordshire, England"],"affiliations":[{"raw_affiliation_string":"Rothamsted Experimental Station, Harpenden, Hertfordshire, England","institution_ids":["https://openalex.org/I4210105766"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5108656787"],"corresponding_institution_ids":["https://openalex.org/I4210105766"],"apc_list":{"value":3320,"currency":"USD","value_usd":3320},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.28532875,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":"12","issue":"1","first_page":"81","last_page":"97"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11063","display_name":"Rough Sets and Fuzzy Logic","score":0.9837999939918518,"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/T11063","display_name":"Rough Sets and Fuzzy Logic","score":0.9837999939918518,"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/T11727","display_name":"Advanced Algebra and Logic","score":0.9678999781608582,"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/T11596","display_name":"Constraint Satisfaction and Optimization","score":0.9144999980926514,"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/block","display_name":"Block (permutation group theory)","score":0.817959189414978},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.635651707649231},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.6149331331253052},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.524394690990448},{"id":"https://openalex.org/keywords/element","display_name":"Element (criminal law)","score":0.47716301679611206},{"id":"https://openalex.org/keywords/type","display_name":"Type (biology)","score":0.43481141328811646},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33828991651535034},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3347240686416626},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.33182960748672485}],"concepts":[{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.817959189414978},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.635651707649231},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.6149331331253052},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.524394690990448},{"id":"https://openalex.org/C200288055","wikidata":"https://www.wikidata.org/wiki/Q2621792","display_name":"Element (criminal law)","level":2,"score":0.47716301679611206},{"id":"https://openalex.org/C2777299769","wikidata":"https://www.wikidata.org/wiki/Q3707858","display_name":"Type (biology)","level":2,"score":0.43481141328811646},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33828991651535034},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3347240686416626},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.33182960748672485},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0097-3165(72)90085-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0097-3165(72)90085-4","pdf_url":null,"source":{"id":"https://openalex.org/S128556326","display_name":"Journal of Combinatorial Theory Series A","issn_l":"0097-3165","issn":["0097-3165","1096-0899"],"is_oa":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Combinatorial Theory, Series A","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2143969840","https://openalex.org/W2319460938","https://openalex.org/W2795613393","https://openalex.org/W2903956026","https://openalex.org/W4300634590"],"related_works":["https://openalex.org/W2980963558","https://openalex.org/W2380000090","https://openalex.org/W2374797863","https://openalex.org/W1882246857","https://openalex.org/W2349308527","https://openalex.org/W3103304230","https://openalex.org/W2185360082","https://openalex.org/W1992365905","https://openalex.org/W4287664878","https://openalex.org/W3212023493"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}