{"id":"https://openalex.org/W119698346","doi":"https://doi.org/10.1007/3-540-57785-8_167","title":"On the structure of parameterized problems in NP","display_name":"On the structure of parameterized problems in NP","publication_year":1994,"publication_date":"1994-01-01","ids":{"openalex":"https://openalex.org/W119698346","doi":"https://doi.org/10.1007/3-540-57785-8_167","mag":"119698346"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-57785-8_167","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-57785-8_167","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/A5012513857","display_name":"Liming Cai","orcid":"https://orcid.org/0000-0002-8982-2435"},"institutions":[{"id":"https://openalex.org/I91045830","display_name":"Texas A&M University","ror":"https://ror.org/01f5ytq51","country_code":"US","type":"education","lineage":["https://openalex.org/I91045830"]},{"id":"https://openalex.org/I2801613365","display_name":"Mitchell Institute","ror":"https://ror.org/03ds72003","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I2801613365"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Liming Cai","raw_affiliation_strings":["Dept. of Computer Science, Texas A&M Univ., 77843, College Station, TX, USA","Texas A&M University"],"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, Texas A&M Univ., 77843, College Station, TX, USA","institution_ids":["https://openalex.org/I91045830"]},{"raw_affiliation_string":"Texas A&M University","institution_ids":["https://openalex.org/I2801613365","https://openalex.org/I91045830"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023394727","display_name":"Jianer Chen","orcid":"https://orcid.org/0000-0003-0898-1643"},"institutions":[{"id":"https://openalex.org/I2801613365","display_name":"Mitchell Institute","ror":"https://ror.org/03ds72003","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I2801613365"]},{"id":"https://openalex.org/I91045830","display_name":"Texas A&M University","ror":"https://ror.org/01f5ytq51","country_code":"US","type":"education","lineage":["https://openalex.org/I91045830"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jianer Chen","raw_affiliation_strings":["Dept. of Computer Science, Texas A&M Univ., 77843, College Station, TX, USA","Texas A&M University"],"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, Texas A&M Univ., 77843, College Station, TX, USA","institution_ids":["https://openalex.org/I91045830"]},{"raw_affiliation_string":"Texas A&M University","institution_ids":["https://openalex.org/I2801613365","https://openalex.org/I91045830"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071503687","display_name":"Rodney G. Downey","orcid":"https://orcid.org/0000-0003-4381-2845"},"institutions":[{"id":"https://openalex.org/I4210137805","display_name":"Victoria School of Management","ror":"https://ror.org/03yvdgx21","country_code":"CH","type":"education","lineage":["https://openalex.org/I4210137805"]},{"id":"https://openalex.org/I41156924","display_name":"Victoria University of Wellington","ror":"https://ror.org/0040r6f76","country_code":"NZ","type":"education","lineage":["https://openalex.org/I41156924"]}],"countries":["CH","NZ"],"is_corresponding":false,"raw_author_name":"Rodney Downey","raw_affiliation_strings":["Dept. of Mathematics, Victoria Univ., P.O. Box 600, Wellington, New Zealand","Victoria University"],"affiliations":[{"raw_affiliation_string":"Dept. of Mathematics, Victoria Univ., P.O. Box 600, Wellington, New Zealand","institution_ids":["https://openalex.org/I41156924"]},{"raw_affiliation_string":"Victoria University","institution_ids":["https://openalex.org/I4210137805"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054676766","display_name":"Michael R. Fellows","orcid":"https://orcid.org/0000-0002-6148-9212"},"institutions":[{"id":"https://openalex.org/I212119943","display_name":"University of Victoria","ror":"https://ror.org/04s5mat29","country_code":"CA","type":"education","lineage":["https://openalex.org/I212119943"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Michael Fellows","raw_affiliation_strings":["Dept. of Computer Science, Univ. of Victoria, V8W 3P6, Victoria, B.C., Canada","University of Victoria"],"affiliations":[{"raw_affiliation_string":"Dept. of Computer Science, Univ. of Victoria, V8W 3P6, Victoria, B.C., Canada","institution_ids":["https://openalex.org/I212119943"]},{"raw_affiliation_string":"University of Victoria","institution_ids":["https://openalex.org/I212119943"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5012513857"],"corresponding_institution_ids":["https://openalex.org/I2801613365","https://openalex.org/I91045830"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":1.2993,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.74313827,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"507","last_page":"520"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9977999925613403,"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":0.9977999925613403,"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/T11567","display_name":"semigroups and automata theory","score":0.9883000254631042,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9876000285148621,"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/parameterized-complexity","display_name":"Parameterized complexity","score":0.9428724050521851},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.7399312257766724},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7299783229827881},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5503774881362915},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.39958831667900085},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.35434186458587646},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3336804509162903},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24336013197898865}],"concepts":[{"id":"https://openalex.org/C165464430","wikidata":"https://www.wikidata.org/wiki/Q1570441","display_name":"Parameterized complexity","level":2,"score":0.9428724050521851},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.7399312257766724},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7299783229827881},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5503774881362915},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.39958831667900085},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.35434186458587646},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3336804509162903},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24336013197898865},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/3-540-57785-8_167","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-57785-8_167","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W66071877","https://openalex.org/W207046415","https://openalex.org/W1494208392","https://openalex.org/W1550212754","https://openalex.org/W1558062873","https://openalex.org/W1564936042","https://openalex.org/W1587619488","https://openalex.org/W1599636498","https://openalex.org/W1918504188","https://openalex.org/W1970755596","https://openalex.org/W1973852671","https://openalex.org/W1975790950","https://openalex.org/W1980865143","https://openalex.org/W1985250585","https://openalex.org/W1999061527","https://openalex.org/W2005485907","https://openalex.org/W2038173927","https://openalex.org/W2045519569","https://openalex.org/W2045717693","https://openalex.org/W2052498836","https://openalex.org/W2112313560","https://openalex.org/W2158355632","https://openalex.org/W2398918824","https://openalex.org/W4243643814","https://openalex.org/W6601463231","https://openalex.org/W6630093876","https://openalex.org/W6635373764"],"related_works":["https://openalex.org/W2051058708","https://openalex.org/W154868527","https://openalex.org/W1494268238","https://openalex.org/W4230341406","https://openalex.org/W2171811389","https://openalex.org/W2041837101","https://openalex.org/W1598441350","https://openalex.org/W1539117866","https://openalex.org/W2053685668","https://openalex.org/W2914625303"],"abstract_inverted_index":null,"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
