{"id":"https://openalex.org/W2042806581","doi":"https://doi.org/10.1021/ci970091s","title":"Extension of Edge Connectivity Index. Relationships to Line Graph Indices and QSPR Applications","display_name":"Extension of Edge Connectivity Index. Relationships to Line Graph Indices and QSPR Applications","publication_year":1998,"publication_date":"1998-03-04","ids":{"openalex":"https://openalex.org/W2042806581","doi":"https://doi.org/10.1021/ci970091s","mag":"2042806581"},"language":"en","primary_location":{"id":"doi:10.1021/ci970091s","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ci970091s","pdf_url":null,"source":{"id":"https://openalex.org/S171559003","display_name":"Journal of Chemical Information and Computer Sciences","issn_l":"0095-2338","issn":["0095-2338","1520-5142"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Chemical Information and Computer Sciences","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/A5042185860","display_name":"Ernesto Estrada","orcid":"https://orcid.org/0000-0002-3066-7418"},"institutions":[{"id":"https://openalex.org/I3018837529","display_name":"Universidad Central \"Marta Abreu\" de las Villas (UCLV)","ror":"https://ror.org/01cdy6h50","country_code":"CU","type":"education","lineage":["https://openalex.org/I3018837529"]}],"countries":["CU"],"is_corresponding":false,"raw_author_name":"Ernesto Estrada","raw_affiliation_strings":["Department of Drug Design, Centro de Bioactivos Qu\u00edmicos, Universidad Central de Las Villas, Santa Clara 54830, Villa Clara, Cuba, and Faculty of Science, University of Kragujevac, P.O. Box 60, YU 34000 Kragujevac, Yugoslavia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Drug Design, Centro de Bioactivos Qu\u00edmicos, Universidad Central de Las Villas, Santa Clara 54830, Villa Clara, Cuba, and Faculty of Science, University of Kragujevac, P.O. Box 60, YU 34000 Kragujevac, Yugoslavia","institution_ids":["https://openalex.org/I3018837529"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069308368","display_name":"N. Guevara","orcid":null},"institutions":[{"id":"https://openalex.org/I3018837529","display_name":"Universidad Central \"Marta Abreu\" de las Villas (UCLV)","ror":"https://ror.org/01cdy6h50","country_code":"CU","type":"education","lineage":["https://openalex.org/I3018837529"]}],"countries":["CU"],"is_corresponding":false,"raw_author_name":"Nicolais Guevara","raw_affiliation_strings":["Department of Drug Design, Centro de Bioactivos Qu\u00edmicos, Universidad Central de Las Villas, Santa Clara 54830, Villa Clara, Cuba, and Faculty of Science, University of Kragujevac, P.O. Box 60, YU 34000 Kragujevac, Yugoslavia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Drug Design, Centro de Bioactivos Qu\u00edmicos, Universidad Central de Las Villas, Santa Clara 54830, Villa Clara, Cuba, and Faculty of Science, University of Kragujevac, P.O. Box 60, YU 34000 Kragujevac, Yugoslavia","institution_ids":["https://openalex.org/I3018837529"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072814838","display_name":"\u0130van Gutman","orcid":"https://orcid.org/0000-0001-9681-1550"},"institutions":[{"id":"https://openalex.org/I3018837529","display_name":"Universidad Central \"Marta Abreu\" de las Villas (UCLV)","ror":"https://ror.org/01cdy6h50","country_code":"CU","type":"education","lineage":["https://openalex.org/I3018837529"]}],"countries":["CU"],"is_corresponding":false,"raw_author_name":"Ivan Gutman","raw_affiliation_strings":["Department of Drug Design, Centro de Bioactivos Qu\u00edmicos, Universidad Central de Las Villas, Santa Clara 54830, Villa Clara, Cuba, and Faculty of Science, University of Kragujevac, P.O. Box 60, YU 34000 Kragujevac, Yugoslavia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Drug Design, Centro de Bioactivos Qu\u00edmicos, Universidad Central de Las Villas, Santa Clara 54830, Villa Clara, Cuba, and Faculty of Science, University of Kragujevac, P.O. Box 60, YU 34000 Kragujevac, Yugoslavia","institution_ids":["https://openalex.org/I3018837529"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.6108,"has_fulltext":false,"cited_by_count":60,"citation_normalized_percentile":{"value":0.9636332,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"38","issue":"3","first_page":"428","last_page":"431"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10211","display_name":"Computational Drug Discovery Methods","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/T10211","display_name":"Computational Drug Discovery Methods","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/T11476","display_name":"Graph theory and applications","score":0.9988999962806702,"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/T13013","display_name":"Free Radicals and Antioxidants","score":0.9747999906539917,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/adjacency-list","display_name":"Adjacency list","score":0.8568686842918396},{"id":"https://openalex.org/keywords/topological-index","display_name":"Topological index","score":0.7100639343261719},{"id":"https://openalex.org/keywords/quantitative-structure\u2013activity-relationship","display_name":"Quantitative structure\u2013activity relationship","score":0.6443319916725159},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5651389360427856},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.5508393049240112},{"id":"https://openalex.org/keywords/line-graph","display_name":"Line graph","score":0.5285904407501221},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5212105512619019},{"id":"https://openalex.org/keywords/series","display_name":"Series (stratigraphy)","score":0.5160222053527832},{"id":"https://openalex.org/keywords/molecular-graph","display_name":"Molecular graph","score":0.4594711661338806},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.3638771176338196},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.27624815702438354}],"concepts":[{"id":"https://openalex.org/C110484373","wikidata":"https://www.wikidata.org/wiki/Q264398","display_name":"Adjacency list","level":2,"score":0.8568686842918396},{"id":"https://openalex.org/C159867001","wikidata":"https://www.wikidata.org/wiki/Q904942","display_name":"Topological index","level":2,"score":0.7100639343261719},{"id":"https://openalex.org/C164126121","wikidata":"https://www.wikidata.org/wiki/Q766383","display_name":"Quantitative structure\u2013activity relationship","level":2,"score":0.6443319916725159},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5651389360427856},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.5508393049240112},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.5285904407501221},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5212105512619019},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.5160222053527832},{"id":"https://openalex.org/C2780022179","wikidata":"https://www.wikidata.org/wiki/Q1986794","display_name":"Molecular graph","level":3,"score":0.4594711661338806},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.3638771176338196},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.27624815702438354},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1021/ci970091s","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ci970091s","pdf_url":null,"source":{"id":"https://openalex.org/S171559003","display_name":"Journal of Chemical Information and Computer Sciences","issn_l":"0095-2338","issn":["0095-2338","1520-5142"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Chemical Information and Computer Sciences","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321974","display_name":"Universitat de Val\u00e8ncia","ror":"https://ror.org/043nxc105"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W66867308","https://openalex.org/W1488799823","https://openalex.org/W1980956598","https://openalex.org/W2035828432","https://openalex.org/W2044210011","https://openalex.org/W2068042639"],"related_works":["https://openalex.org/W2066636365","https://openalex.org/W2188147464","https://openalex.org/W3114989040","https://openalex.org/W4213380946","https://openalex.org/W1979687575","https://openalex.org/W2955088215","https://openalex.org/W1984462039","https://openalex.org/W2979978736","https://openalex.org/W3017987646","https://openalex.org/W3108775432"],"abstract_inverted_index":{"The":[0,25,64],"concept":[1,27],"of":[2,11,21,28,32,36,49,61,66,71,79,82],"edge":[3],"connectivity":[4,56],"index":[5],"is":[6,40],"extended":[7],"to":[8,75,84],"a":[9],"series":[10,48,81],"indices":[12,31,50,57,83],"based":[13],"on":[14],"adjacency":[15,30],"between":[16,46],"edges":[17],"in":[18],"various":[19],"fragments":[20],"the":[22,33,37,77],"molecular":[23,38],"graph.":[24],"analogous":[26],"vertex":[29],"line":[34],"graph":[35,39],"also":[41],"introduced.":[42],"Some":[43],"mathematical":[44],"relations":[45],"both":[47,80],"are":[51,58],"found,":[52],"showing":[53],"that":[54],"line-graph-based":[55],"linear":[59],"combinations":[60],"edge-based":[62],"descriptors.":[63],"study":[65],"eight":[67],"representative":[68],"physical":[69],"properties":[70],"alkanes":[72],"was":[73],"used":[74],"compare":[76],"ability":[78],"produce":[85],"significant":[86],"quantitative":[87],"structure\u2212property":[88],"relationship":[89],"(QSPR)":[90],"models.":[91]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2018,"cited_by_count":4},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
