Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1561849181', 'doi': 'https://doi.org/10.1007/978-3-642-10631-6_30', 'title': 'Geometric Minimum Diameter Minimum Cost Spanning Tree Problem', 'display_name': 'Geometric Minimum Diameter Minimum Cost Spanning Tree Problem', 'publication_year': 2009, 'publication_date': '2009-01-01', 'ids': {'openalex': 'https://openalex.org/W1561849181', 'doi': 'https://doi.org/10.1007/978-3-642-10631-6_30', 'mag': '1561849181'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/978-3-642-10631-6_30', 'pdf_url': None, '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/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'book series'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'book-chapter', 'type_crossref': 'book-chapter', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': 'http://www.iis.sinica.edu.tw/papers/dtlee/9355-F.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5038072358', 'display_name': 'Dae Young Seo', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1322422313', 'display_name': 'Korea Polytechnic University', 'ror': 'https://ror.org/0060vt104', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I1322422313']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Dae Young Seo', 'raw_affiliation_strings': ['Department of Computer Engineering, Korea Polytechnic University, Korea'], 'affiliations': [{'raw_affiliation_string': 'Department of Computer Engineering, Korea Polytechnic University, Korea', 'institution_ids': ['https://openalex.org/I1322422313']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5109621956', 'display_name': 'D. T. Lee', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I16733864', 'display_name': 'National Taiwan University', 'ror': 'https://ror.org/05bqach95', 'country_code': 'TW', 'type': 'education', 'lineage': ['https://openalex.org/I16733864']}, {'id': 'https://openalex.org/I4210098366', 'display_name': 'Institute of Information Science, Academia Sinica', 'ror': 'https://ror.org/00z83z196', 'country_code': 'TW', 'type': 'facility', 'lineage': ['https://openalex.org/I4210098366', 'https://openalex.org/I84653119']}], 'countries': ['TW'], 'is_corresponding': False, 'raw_author_name': 'D. T. Lee', 'raw_affiliation_strings': ['Institute of Information Science, Academia Sinica, Taipei, Taiwan and Dept. of Computer Science and Information Engineering, National Taiwan University, Taipei, Taiwan'], 'affiliations': [{'raw_affiliation_string': 'Institute of Information Science, Academia Sinica, Taipei, Taiwan and Dept. of Computer Science and Information Engineering, National Taiwan University, Taipei, Taiwan', 'institution_ids': ['https://openalex.org/I16733864', 'https://openalex.org/I4210098366']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5062154674', 'display_name': 'Tien-Ching Lin', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I84653119', 'display_name': 'Academia Sinica', 'ror': 'https://ror.org/05bxb3784', 'country_code': 'TW', 'type': 'facility', 'lineage': ['https://openalex.org/I84653119']}], 'countries': ['TW'], 'is_corresponding': False, 'raw_author_name': 'Tien-Ching Lin', 'raw_affiliation_strings': ['Institute of Information Science,Academia Sinica,,Taipei,,Taiwan'], 'affiliations': [{'raw_affiliation_string': 'Institute of Information Science,Academia Sinica,,Taipei,,Taiwan', 'institution_ids': ['https://openalex.org/I84653119']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 4, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 5000, 'currency': 'EUR', 'value_usd': 5392, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.889, 'has_fulltext': False, 'cited_by_count': 5, 'citation_normalized_percentile': {'value': 0.805658, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 79, 'max': 80}, 'biblio': {'volume': None, 'issue': None, 'first_page': '283', 'last_page': '292'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10567', 'display_name': 'Vehicle Routing Optimization Methods', 'score': 0.9963, 'subfield': {'id': 'https://openalex.org/subfields/2209', 'display_name': 'Industrial and Manufacturing Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10567', 'display_name': 'Vehicle Routing Optimization Methods', 'score': 0.9963, 'subfield': {'id': 'https://openalex.org/subfields/2209', 'display_name': 'Industrial and Manufacturing Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11502', 'display_name': 'Facility Location and Emergency Management', 'score': 0.975, 'subfield': {'id': 'https://openalex.org/subfields/1407', 'display_name': 'Organizational Behavior and Human Resource Management'}, 'field': {'id': 'https://openalex.org/fields/14', 'display_name': 'Business, Management and Accounting'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T10753', 'display_name': 'Microplastics and Plastic Pollution', 'score': 0.9688, 'subfield': {'id': 'https://openalex.org/subfields/2310', 'display_name': 'Pollution'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/k-minimum-spanning-tree', 'display_name': 'k-minimum spanning tree', 'score': 0.6391393}, {'id': 'https://openalex.org/keywords/reverse-delete-algorithm', 'display_name': 'Reverse-delete algorithm', 'score': 0.559688}, {'id': 'https://openalex.org/keywords/steiner-tree-problem', 'display_name': 'Steiner tree problem', 'score': 0.54057646}, {'id': 'https://openalex.org/keywords/prims-algorithm', 'display_name': "Prim's algorithm", 'score': 0.53571784}, {'id': 'https://openalex.org/keywords/minimum-weight', 'display_name': 'Minimum weight', 'score': 0.46129024}, {'id': 'https://openalex.org/keywords/tree', 'display_name': 'Tree (set theory)', 'score': 0.41563967}], 'concepts': [{'id': 'https://openalex.org/C13743678', 'wikidata': 'https://www.wikidata.org/wiki/Q240464', 'display_name': 'Minimum spanning tree', 'level': 2, 'score': 0.92628115}, {'id': 'https://openalex.org/C64331007', 'wikidata': 'https://www.wikidata.org/wiki/Q831672', 'display_name': 'Spanning tree', 'level': 2, 'score': 0.8765528}, {'id': 'https://openalex.org/C145685049', 'wikidata': 'https://www.wikidata.org/wiki/Q4454941', 'display_name': 'Euclidean minimum spanning tree', 'level': 4, 'score': 0.87602884}, {'id': 'https://openalex.org/C65949645', 'wikidata': 'https://www.wikidata.org/wiki/Q5283163', 'display_name': 'Distributed minimum spanning tree', 'level': 3, 'score': 0.77155954}, {'id': 'https://openalex.org/C63645285', 'wikidata': 'https://www.wikidata.org/wiki/Q797860', 'display_name': "Kruskal's algorithm", 'level': 3, 'score': 0.76108515}, {'id': 'https://openalex.org/C202750272', 'wikidata': 'https://www.wikidata.org/wiki/Q6322849', 'display_name': 'k-minimum spanning tree', 'level': 5, 'score': 0.6391393}, {'id': 'https://openalex.org/C37810922', 'wikidata': 'https://www.wikidata.org/wiki/Q5161409', 'display_name': 'Connected dominating set', 'level': 3, 'score': 0.56584215}, {'id': 'https://openalex.org/C199346575', 'wikidata': 'https://www.wikidata.org/wiki/Q4925151', 'display_name': 'Reverse-delete algorithm', 'level': 4, 'score': 0.559688}, {'id': 'https://openalex.org/C76220878', 'wikidata': 'https://www.wikidata.org/wiki/Q1764144', 'display_name': 'Steiner tree problem', 'level': 2, 'score': 0.54057646}, {'id': 'https://openalex.org/C1649724', 'wikidata': 'https://www.wikidata.org/wiki/Q470813', 'display_name': "Prim's algorithm", 'level': 4, 'score': 0.53571784}, {'id': 'https://openalex.org/C64271015', 'wikidata': 'https://www.wikidata.org/wiki/Q6865444', 'display_name': 'Minimum degree spanning tree', 'level': 3, 'score': 0.49451777}, {'id': 'https://openalex.org/C114614502', 'wikidata': 'https://www.wikidata.org/wiki/Q76592', 'display_name': 'Combinatorics', 'level': 1, 'score': 0.4805327}, {'id': 'https://openalex.org/C2778945305', 'wikidata': 'https://www.wikidata.org/wiki/Q6865502', 'display_name': 'Minimum weight', 'level': 2, 'score': 0.46129024}, {'id': 'https://openalex.org/C113174947', 'wikidata': 'https://www.wikidata.org/wiki/Q2859736', 'display_name': 'Tree (set theory)', 'level': 2, 'score': 0.41563967}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.4079349}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.40117383}, {'id': 'https://openalex.org/C126255220', 'wikidata': 'https://www.wikidata.org/wiki/Q141495', 'display_name': 'Mathematical optimization', 'level': 1, 'score': 0.38540447}, {'id': 'https://openalex.org/C100560664', 'wikidata': 'https://www.wikidata.org/wiki/Q3608019', 'display_name': 'K-ary tree', 'level': 4, 'score': 0.24459642}, {'id': 'https://openalex.org/C163797641', 'wikidata': 'https://www.wikidata.org/wiki/Q2067937', 'display_name': 'Tree structure', 'level': 3, 'score': 0.19291267}, {'id': 'https://openalex.org/C197855036', 'wikidata': 'https://www.wikidata.org/wiki/Q380172', 'display_name': 'Binary tree', 'level': 2, 'score': 0.11205995}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/978-3-642-10631-6_30', 'pdf_url': None, '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/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'book series'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.682.2550', 'pdf_url': 'http://www.iis.sinica.edu.tw/papers/dtlee/9355-F.pdf', 'source': {'id': 'https://openalex.org/S4306400349', 'display_name': 'CiteSeer X (The Pennsylvania State University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I130769515', 'host_organization_name': 'Pennsylvania State University', 'host_organization_lineage': ['https://openalex.org/I130769515'], 'host_organization_lineage_names': ['Pennsylvania State University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.682.2550', 'pdf_url': 'http://www.iis.sinica.edu.tw/papers/dtlee/9355-F.pdf', 'source': {'id': 'https://openalex.org/S4306400349', 'display_name': 'CiteSeer X (The Pennsylvania State University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I130769515', 'host_organization_name': 'Pennsylvania State University', 'host_organization_lineage': ['https://openalex.org/I130769515'], 'host_organization_lineage_names': ['Pennsylvania State University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 13, 'referenced_works': ['https://openalex.org/W1965680834', 'https://openalex.org/W1984953641', 'https://openalex.org/W1985149601', 'https://openalex.org/W2004681879', 'https://openalex.org/W2011039300', 'https://openalex.org/W2017927472', 'https://openalex.org/W2102750402', 'https://openalex.org/W2163294576', 'https://openalex.org/W2203860513', 'https://openalex.org/W4239852074', 'https://openalex.org/W4255306344', 'https://openalex.org/W4285719527', 'https://openalex.org/W88291963'], 'related_works': ['https://openalex.org/W4380840098', 'https://openalex.org/W3081212354', 'https://openalex.org/W3016811403', 'https://openalex.org/W2943635264', 'https://openalex.org/W2518240130', 'https://openalex.org/W2418231958', 'https://openalex.org/W2387385213', 'https://openalex.org/W2059360098', 'https://openalex.org/W2048177396', 'https://openalex.org/W1561849181'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1561849181', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 2}, {'year': 2013, 'cited_by_count': 1}], 'updated_date': '2024-12-08T05:47:05.504165', 'created_date': '2016-06-24'}