{"id":"https://openalex.org/W2017151232","doi":"https://doi.org/10.1016/s0012-365x(96)00183-5","title":"Blocking set free configurations and their relations to digraphs and hypergraphs","display_name":"Blocking set free configurations and their relations to digraphs and hypergraphs","publication_year":1997,"publication_date":"1997-03-01","ids":{"openalex":"https://openalex.org/W2017151232","doi":"https://doi.org/10.1016/s0012-365x(96)00183-5","mag":"2017151232"},"language":"en","primary_location":{"id":"doi:10.1016/s0012-365x(96)00183-5","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0012-365x(96)00183-5","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0012365X96001835/pdf","source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"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":"Discrete Mathematics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.sciencedirect.com/science/article/pii/S0012365X96001835/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109477760","display_name":"Harald Gropp","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Harald Gropp","raw_affiliation_strings":["M\u00fchlingstrasse 19, D-69121 Heidelberg, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"M\u00fchlingstrasse 19, D-69121 Heidelberg, Germany","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5109477760"],"corresponding_institution_ids":[],"apc_list":{"value":3320,"currency":"USD","value_usd":3320},"apc_paid":null,"fwci":2.4743,"has_fulltext":true,"cited_by_count":10,"citation_normalized_percentile":{"value":0.87465211,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":94},"biblio":{"volume":"165-166","issue":null,"first_page":"359","last_page":"370"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12504","display_name":"Mathematics and Applications","score":0.9574000239372253,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9171000123023987,"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/blocking","display_name":"Blocking (statistics)","score":0.8422207832336426},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8076564073562622},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6692928075790405},{"id":"https://openalex.org/keywords/chromatic-scale","display_name":"Chromatic scale","score":0.6052844524383545},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5691217184066772},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.5087869763374329},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.4430428743362427},{"id":"https://openalex.org/keywords/value","display_name":"Value (mathematics)","score":0.4343474209308624},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1871751844882965},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.1347963809967041}],"concepts":[{"id":"https://openalex.org/C144745244","wikidata":"https://www.wikidata.org/wiki/Q4927286","display_name":"Blocking (statistics)","level":2,"score":0.8422207832336426},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8076564073562622},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6692928075790405},{"id":"https://openalex.org/C196956537","wikidata":"https://www.wikidata.org/wiki/Q202021","display_name":"Chromatic scale","level":2,"score":0.6052844524383545},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5691217184066772},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.5087869763374329},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.4430428743362427},{"id":"https://openalex.org/C2776291640","wikidata":"https://www.wikidata.org/wiki/Q2912517","display_name":"Value (mathematics)","level":2,"score":0.4343474209308624},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1871751844882965},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1347963809967041},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0012-365x(96)00183-5","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0012-365x(96)00183-5","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0012365X96001835/pdf","source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"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":"Discrete Mathematics","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/s0012-365x(96)00183-5","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0012-365x(96)00183-5","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0012365X96001835/pdf","source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"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":"Discrete Mathematics","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.5799999833106995}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2017151232.pdf","grobid_xml":"https://content.openalex.org/works/W2017151232.grobid-xml"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W581018882","https://openalex.org/W1495591881","https://openalex.org/W1984678200","https://openalex.org/W1991460191","https://openalex.org/W2005354172","https://openalex.org/W2018724842","https://openalex.org/W2019973212","https://openalex.org/W2022151444","https://openalex.org/W2025484786","https://openalex.org/W2053050060","https://openalex.org/W2059748775","https://openalex.org/W2083264702","https://openalex.org/W2095476894","https://openalex.org/W2210718325","https://openalex.org/W2246982579","https://openalex.org/W2321290774","https://openalex.org/W4205437167","https://openalex.org/W4206155398","https://openalex.org/W6616828047","https://openalex.org/W6691366180"],"related_works":["https://openalex.org/W2392835431","https://openalex.org/W1965371215","https://openalex.org/W2126932387","https://openalex.org/W2353762239","https://openalex.org/W2484966135","https://openalex.org/W2015050211","https://openalex.org/W2108990487","https://openalex.org/W2126435977","https://openalex.org/W2017131087","https://openalex.org/W1978276953"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-08-26T07:47:46.906454","created_date":"2025-10-10T00:00:00"}