{"id":"https://openalex.org/W2031870383","doi":"https://doi.org/10.1016/0095-8956(78)90008-4","title":"Blocking, antiblocking, and pairs of matroids and polymatroids","display_name":"Blocking, antiblocking, and pairs of matroids and polymatroids","publication_year":1978,"publication_date":"1978-12-01","ids":{"openalex":"https://openalex.org/W2031870383","doi":"https://doi.org/10.1016/0095-8956(78)90008-4","mag":"2031870383"},"language":"en","primary_location":{"id":"doi:10.1016/0095-8956(78)90008-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0095-8956(78)90008-4","pdf_url":null,"source":{"id":"https://openalex.org/S2939117604","display_name":"Journal of Combinatorial Theory Series B","issn_l":"0095-8956","issn":["0095-8956","1096-0902"],"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 B","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/A5111437501","display_name":"Colin McDiarmid","orcid":null},"institutions":[{"id":"https://openalex.org/I205783295","display_name":"Cornell University","ror":"https://ror.org/05bnh6r87","country_code":"US","type":"education","lineage":["https://openalex.org/I205783295"]},{"id":"https://openalex.org/I4400573251","display_name":"Corpus Christi College","ror":"https://ror.org/03ty41p70","country_code":null,"type":"education","lineage":["https://openalex.org/I4400573251"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Colin McDiarmid","raw_affiliation_strings":["Corpus Christi College, Oxford, England","Department of Operations Research, Cornell University, Ithaca, New York 14853 USA"],"affiliations":[{"raw_affiliation_string":"Corpus Christi College, Oxford, England","institution_ids":["https://openalex.org/I4400573251"]},{"raw_affiliation_string":"Department of Operations Research, Cornell University, Ithaca, New York 14853 USA","institution_ids":["https://openalex.org/I205783295"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5111437501"],"corresponding_institution_ids":["https://openalex.org/I205783295","https://openalex.org/I4400573251"],"apc_list":{"value":3420,"currency":"USD","value_usd":3420},"apc_paid":null,"fwci":2.0999,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.87210662,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":"3","first_page":"313","last_page":"325"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9156000018119812,"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":0.9156000018119812,"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/matroid","display_name":"Matroid","score":0.8024395704269409},{"id":"https://openalex.org/keywords/blocking","display_name":"Blocking (statistics)","score":0.7747686505317688},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.44067680835723877},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.4364745020866394},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3133615255355835},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.16716834902763367}],"concepts":[{"id":"https://openalex.org/C106286213","wikidata":"https://www.wikidata.org/wiki/Q898572","display_name":"Matroid","level":2,"score":0.8024395704269409},{"id":"https://openalex.org/C144745244","wikidata":"https://www.wikidata.org/wiki/Q4927286","display_name":"Blocking (statistics)","level":2,"score":0.7747686505317688},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.44067680835723877},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.4364745020866394},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3133615255355835},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.16716834902763367}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0095-8956(78)90008-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0095-8956(78)90008-4","pdf_url":null,"source":{"id":"https://openalex.org/S2939117604","display_name":"Journal of Combinatorial Theory Series B","issn_l":"0095-8956","issn":["0095-8956","1096-0902"],"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 B","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1968424093","https://openalex.org/W2049716158","https://openalex.org/W2055666548","https://openalex.org/W2072848654","https://openalex.org/W2258857078","https://openalex.org/W3127549917","https://openalex.org/W6642153183","https://openalex.org/W6676295873","https://openalex.org/W6850418323"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2058299944","https://openalex.org/W4323360720","https://openalex.org/W1550144461","https://openalex.org/W2783959783","https://openalex.org/W2602164040","https://openalex.org/W2037206237","https://openalex.org/W4310658774","https://openalex.org/W3000635646"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}