{"id":"https://openalex.org/W1592123467","doi":"https://doi.org/10.1007/3-540-44669-9_60","title":"The Complexity of Maximum Matroid-Greedoid Intersection","display_name":"The Complexity of Maximum Matroid-Greedoid Intersection","publication_year":2001,"publication_date":"2001-01-01","ids":{"openalex":"https://openalex.org/W1592123467","doi":"https://doi.org/10.1007/3-540-44669-9_60","mag":"1592123467"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-44669-9_60","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-44669-9_60","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5047974472","display_name":"Taneli Mielik\u00e4inen","orcid":null},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Taneli Mielik\u00e4inen","raw_affiliation_strings":["Department of Computer Science, University of Helsinki, P.O. Box 26, FIN-00014, Finland","#N##TAB##TAB##TAB##TAB# University of Helsinki#N##TAB##TAB##TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Helsinki, P.O. Box 26, FIN-00014, Finland","institution_ids":["https://openalex.org/I133731052"]},{"raw_affiliation_string":"#N##TAB##TAB##TAB##TAB# University of Helsinki#N##TAB##TAB##TAB#","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058284151","display_name":"Esko Ukkonen","orcid":"https://orcid.org/0000-0002-5978-1505"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Esko Ukkonen","raw_affiliation_strings":["Department of Computer Science, University of Helsinki, P.O. Box 26, FIN-00014, Finland","#N##TAB##TAB##TAB##TAB# University of Helsinki#N##TAB##TAB##TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Helsinki, P.O. Box 26, FIN-00014, Finland","institution_ids":["https://openalex.org/I133731052"]},{"raw_affiliation_string":"#N##TAB##TAB##TAB##TAB# University of Helsinki#N##TAB##TAB##TAB#","institution_ids":["https://openalex.org/I133731052"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5047974472"],"corresponding_institution_ids":["https://openalex.org/I133731052"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17560241,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"535","last_page":"539"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9995999932289124,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9995999932289124,"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/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9976000189781189,"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":0.945376992225647},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7614743709564209},{"id":"https://openalex.org/keywords/intersection","display_name":"Intersection (aeronautics)","score":0.7444629669189453},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6690986156463623},{"id":"https://openalex.org/keywords/matroid-partitioning","display_name":"Matroid partitioning","score":0.6678181886672974},{"id":"https://openalex.org/keywords/weighted-matroid","display_name":"Weighted matroid","score":0.6456053256988525},{"id":"https://openalex.org/keywords/oriented-matroid","display_name":"Oriented matroid","score":0.6133165955543518},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.5476542711257935},{"id":"https://openalex.org/keywords/satisfiability","display_name":"Satisfiability","score":0.5085974931716919},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.4751208424568176},{"id":"https://openalex.org/keywords/graphic-matroid","display_name":"Graphic matroid","score":0.25040334463119507}],"concepts":[{"id":"https://openalex.org/C106286213","wikidata":"https://www.wikidata.org/wiki/Q898572","display_name":"Matroid","level":2,"score":0.945376992225647},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7614743709564209},{"id":"https://openalex.org/C64543145","wikidata":"https://www.wikidata.org/wiki/Q162942","display_name":"Intersection (aeronautics)","level":2,"score":0.7444629669189453},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6690986156463623},{"id":"https://openalex.org/C22425182","wikidata":"https://www.wikidata.org/wiki/Q6787906","display_name":"Matroid partitioning","level":4,"score":0.6678181886672974},{"id":"https://openalex.org/C124344645","wikidata":"https://www.wikidata.org/wiki/Q7979897","display_name":"Weighted matroid","level":5,"score":0.6456053256988525},{"id":"https://openalex.org/C178621168","wikidata":"https://www.wikidata.org/wiki/Q16155113","display_name":"Oriented matroid","level":4,"score":0.6133165955543518},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.5476542711257935},{"id":"https://openalex.org/C168773769","wikidata":"https://www.wikidata.org/wiki/Q1350299","display_name":"Satisfiability","level":2,"score":0.5085974931716919},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.4751208424568176},{"id":"https://openalex.org/C111034964","wikidata":"https://www.wikidata.org/wiki/Q5597156","display_name":"Graphic matroid","level":3,"score":0.25040334463119507},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1007/3-540-44669-9_60","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-44669-9_60","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.101.2541","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.101.2541","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.helsinki.fi/u/tmielika/pub/doc/mgi_short.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.2.1698","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.2.1698","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.helsinki.fi/u/tmielika/pub/doc/mgi.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1557310162","https://openalex.org/W1992720234","https://openalex.org/W2011039300","https://openalex.org/W2012959686","https://openalex.org/W2053913299","https://openalex.org/W2137560895","https://openalex.org/W2476096155","https://openalex.org/W2486715098","https://openalex.org/W2998757566","https://openalex.org/W7008583937"],"related_works":["https://openalex.org/W2400862597","https://openalex.org/W1984819493","https://openalex.org/W2153065381","https://openalex.org/W2159059797","https://openalex.org/W2625145881","https://openalex.org/W4246417054","https://openalex.org/W1975978423","https://openalex.org/W2058489697","https://openalex.org/W2006784845","https://openalex.org/W2106233458"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}