{"id":"https://openalex.org/W1524370859","doi":"https://doi.org/10.1007/978-3-540-85097-7_18","title":"Strong Formulations for 2-Node-Connected Steiner Network Problems","display_name":"Strong Formulations for 2-Node-Connected Steiner Network Problems","publication_year":2008,"publication_date":"2008-08-19","ids":{"openalex":"https://openalex.org/W1524370859","doi":"https://doi.org/10.1007/978-3-540-85097-7_18","mag":"1524370859"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-540-85097-7_18","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-85097-7_18","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/A5044475263","display_name":"Markus Chimani","orcid":"https://orcid.org/0000-0002-4681-5550"},"institutions":[{"id":"https://openalex.org/I200332995","display_name":"TU Dortmund University","ror":"https://ror.org/01k97gp34","country_code":"DE","type":"education","lineage":["https://openalex.org/I200332995"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Markus Chimani","raw_affiliation_strings":["Faculty of Computer Science, Dortmund University of Technology, Germany","Faculty of Computer Science, Dortmund University of Technology, Germany#TAB#"],"affiliations":[{"raw_affiliation_string":"Faculty of Computer Science, Dortmund University of Technology, Germany","institution_ids":["https://openalex.org/I200332995"]},{"raw_affiliation_string":"Faculty of Computer Science, Dortmund University of Technology, Germany#TAB#","institution_ids":["https://openalex.org/I200332995"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071274716","display_name":"Maria Kandyba","orcid":null},"institutions":[{"id":"https://openalex.org/I200332995","display_name":"TU Dortmund University","ror":"https://ror.org/01k97gp34","country_code":"DE","type":"education","lineage":["https://openalex.org/I200332995"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Maria Kandyba","raw_affiliation_strings":["Faculty of Computer Science, Dortmund University of Technology, Germany","Faculty of Computer Science, Dortmund University of Technology, Germany#TAB#"],"affiliations":[{"raw_affiliation_string":"Faculty of Computer Science, Dortmund University of Technology, Germany","institution_ids":["https://openalex.org/I200332995"]},{"raw_affiliation_string":"Faculty of Computer Science, Dortmund University of Technology, Germany#TAB#","institution_ids":["https://openalex.org/I200332995"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009286436","display_name":"Ivana Ljubi\u0107","orcid":"https://orcid.org/0000-0002-4834-6284"},"institutions":[{"id":"https://openalex.org/I102248843","display_name":"Vienna University of Economics and Business","ror":"https://ror.org/03yn8s215","country_code":"AT","type":"education","lineage":["https://openalex.org/I102248843"]},{"id":"https://openalex.org/I129774422","display_name":"University of Vienna","ror":"https://ror.org/03prydq77","country_code":"AT","type":"education","lineage":["https://openalex.org/I129774422"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Ivana Ljubi\u0107","raw_affiliation_strings":["Faculty of Business, Economics and Statistics, University of Vienna, Austria","Faculty of Business, Economics and Statistics , University of Vienna , Austria"],"affiliations":[{"raw_affiliation_string":"Faculty of Business, Economics and Statistics, University of Vienna, Austria","institution_ids":["https://openalex.org/I102248843","https://openalex.org/I129774422"]},{"raw_affiliation_string":"Faculty of Business, Economics and Statistics , University of Vienna , Austria","institution_ids":["https://openalex.org/I102248843","https://openalex.org/I129774422"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012801992","display_name":"Petra Mutzel","orcid":"https://orcid.org/0000-0001-7621-971X"},"institutions":[{"id":"https://openalex.org/I200332995","display_name":"TU Dortmund University","ror":"https://ror.org/01k97gp34","country_code":"DE","type":"education","lineage":["https://openalex.org/I200332995"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Petra Mutzel","raw_affiliation_strings":["Faculty of Computer Science, Dortmund University of Technology, Germany","Faculty of Computer Science, Dortmund University of Technology, Germany#TAB#"],"affiliations":[{"raw_affiliation_string":"Faculty of Computer Science, Dortmund University of Technology, Germany","institution_ids":["https://openalex.org/I200332995"]},{"raw_affiliation_string":"Faculty of Computer Science, Dortmund University of Technology, Germany#TAB#","institution_ids":["https://openalex.org/I200332995"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5044475263"],"corresponding_institution_ids":["https://openalex.org/I200332995"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":1.5339,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.79782237,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"190","last_page":"200"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9984999895095825,"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":0.9984999895095825,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9968000054359436,"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/T10847","display_name":"Advanced Optical Network Technologies","score":0.9966999888420105,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7219511270523071},{"id":"https://openalex.org/keywords/steiner-tree-problem","display_name":"Steiner tree problem","score":0.6637296080589294},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.6148782968521118},{"id":"https://openalex.org/keywords/undirected-graph","display_name":"Undirected graph","score":0.5837438106536865},{"id":"https://openalex.org/keywords/partition","display_name":"Partition (number theory)","score":0.5417081117630005},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.48069530725479126},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.44812411069869995},{"id":"https://openalex.org/keywords/integer-programming","display_name":"Integer programming","score":0.43994003534317017},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.43015554547309875},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.41111689805984497},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.32277005910873413},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.31114983558654785},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.3021998107433319},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2968365550041199},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.20960253477096558}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7219511270523071},{"id":"https://openalex.org/C76220878","wikidata":"https://www.wikidata.org/wiki/Q1764144","display_name":"Steiner tree problem","level":2,"score":0.6637296080589294},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.6148782968521118},{"id":"https://openalex.org/C3018234147","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Undirected graph","level":3,"score":0.5837438106536865},{"id":"https://openalex.org/C42812","wikidata":"https://www.wikidata.org/wiki/Q1082910","display_name":"Partition (number theory)","level":2,"score":0.5417081117630005},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.48069530725479126},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.44812411069869995},{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.43994003534317017},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.43015554547309875},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.41111689805984497},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.32277005910873413},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.31114983558654785},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.3021998107433319},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2968365550041199},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.20960253477096558},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"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/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/978-3-540-85097-7_18","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-85097-7_18","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:10.1.1.93.6607","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.93.6607","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://ls11-www.cs.uni-dortmund.de/people/kandyba/twoNCON-TR.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W16274536","https://openalex.org/W626292722","https://openalex.org/W1488989473","https://openalex.org/W1508569977","https://openalex.org/W1541536235","https://openalex.org/W1556386174","https://openalex.org/W1584833411","https://openalex.org/W1685122025","https://openalex.org/W1971846459","https://openalex.org/W1994247939","https://openalex.org/W2006909611","https://openalex.org/W2008534472","https://openalex.org/W2020130108","https://openalex.org/W2030292445","https://openalex.org/W2043905543","https://openalex.org/W2061410562","https://openalex.org/W2069213695","https://openalex.org/W2074613642","https://openalex.org/W2095540454","https://openalex.org/W2152216760","https://openalex.org/W2172222998","https://openalex.org/W2175777920","https://openalex.org/W2284291999","https://openalex.org/W2335132016","https://openalex.org/W2336259629","https://openalex.org/W2977506839","https://openalex.org/W3148632216","https://openalex.org/W4211176206","https://openalex.org/W4247103873"],"related_works":["https://openalex.org/W2118320476","https://openalex.org/W2161182859","https://openalex.org/W2025658531","https://openalex.org/W1503036335","https://openalex.org/W4244816249","https://openalex.org/W2115973883","https://openalex.org/W2739242419","https://openalex.org/W1585318792","https://openalex.org/W59641357","https://openalex.org/W3131610618"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}