{"id":"https://openalex.org/W1992980835","doi":"https://doi.org/10.1016/0167-9260(89)90002-3","title":"A note on hierarchical layer-assignment","display_name":"A note on hierarchical layer-assignment","publication_year":1989,"publication_date":"1989-09-01","ids":{"openalex":"https://openalex.org/W1992980835","doi":"https://doi.org/10.1016/0167-9260(89)90002-3","mag":"1992980835"},"language":"en","primary_location":{"id":"doi:10.1016/0167-9260(89)90002-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0167-9260(89)90002-3","pdf_url":null,"source":{"id":"https://openalex.org/S139392130","display_name":"Integration","issn_l":"0167-9260","issn":["0167-9260","1872-7522"],"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":"Integration","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/A5106265862","display_name":"Reiner Kolla","orcid":null},"institutions":[{"id":"https://openalex.org/I91712215","display_name":"Saarland University","ror":"https://ror.org/01jdpyv68","country_code":"DE","type":"education","lineage":["https://openalex.org/I91712215"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Reiner Kolla","raw_affiliation_strings":["Fachbereich 10, Universit\u00e4t des Saarlandes, D-6600 Saarbr\u00fccken, Fed. Rep. Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fachbereich 10, Universit\u00e4t des Saarlandes, D-6600 Saarbr\u00fccken, Fed. Rep. Germany","institution_ids":["https://openalex.org/I91712215"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007586603","display_name":"Paul Molitor","orcid":"https://orcid.org/0000-0003-1461-7936"},"institutions":[{"id":"https://openalex.org/I91712215","display_name":"Saarland University","ror":"https://ror.org/01jdpyv68","country_code":"DE","type":"education","lineage":["https://openalex.org/I91712215"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Paul Molitor","raw_affiliation_strings":["Fachbereich 10, Universit\u00e4t des Saarlandes, D-6600 Saarbr\u00fccken, Fed. Rep. Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fachbereich 10, Universit\u00e4t des Saarlandes, D-6600 Saarbr\u00fccken, Fed. Rep. Germany","institution_ids":["https://openalex.org/I91712215"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2150,"currency":"USD","value_usd":2150},"apc_paid":null,"fwci":0.9586,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.73294486,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"7","issue":"3","first_page":"213","last_page":"230"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9991999864578247,"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/T10142","display_name":"Formal Methods in Verification","score":0.9991999864578247,"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":0.9973000288009644,"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":0.9958999752998352,"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/layer","display_name":"Layer (electronics)","score":0.6411885023117065},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3890962600708008},{"id":"https://openalex.org/keywords/nanotechnology","display_name":"Nanotechnology","score":0.12675243616104126},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.10942164063453674}],"concepts":[{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.6411885023117065},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3890962600708008},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.12675243616104126},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.10942164063453674}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0167-9260(89)90002-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0167-9260(89)90002-3","pdf_url":null,"source":{"id":"https://openalex.org/S139392130","display_name":"Integration","issn_l":"0167-9260","issn":["0167-9260","1872-7522"],"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":"Integration","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":16,"referenced_works":["https://openalex.org/W117386814","https://openalex.org/W574066314","https://openalex.org/W1519644264","https://openalex.org/W1563351955","https://openalex.org/W2000368161","https://openalex.org/W2022486658","https://openalex.org/W2084170301","https://openalex.org/W2131647018","https://openalex.org/W3162191029","https://openalex.org/W6616413507","https://openalex.org/W6631263572","https://openalex.org/W6633771127","https://openalex.org/W6655952354","https://openalex.org/W6671607239","https://openalex.org/W6679695901","https://openalex.org/W7028862064"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2350741829","https://openalex.org/W2130043461","https://openalex.org/W2530322880","https://openalex.org/W1596801655"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}