Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2799888370', 'doi': 'https://doi.org/10.1016/j.energy.2018.04.077', 'title': "Measuring China's new energy vehicle patents: A social network analysis approach", 'display_name': "Measuring China's new energy vehicle patents: A social network analysis approach", 'publication_year': 2018, 'publication_date': '2018-04-18', 'ids': {'openalex': 'https://openalex.org/W2799888370', 'doi': 'https://doi.org/10.1016/j.energy.2018.04.077', 'mag': '2799888370'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.energy.2018.04.077', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2497375143', 'display_name': 'Energy', 'issn_l': '0360-5442', 'issn': ['0360-5442', '1873-6785'], '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5050126178', 'display_name': 'Huaping Sun', 'orcid': 'https://orcid.org/0000-0002-9328-7850'}, 'institutions': [{'id': 'https://openalex.org/I183067930', 'display_name': 'Shanghai Jiao Tong University', 'ror': 'https://ror.org/0220qvk04', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I183067930']}, {'id': 'https://openalex.org/I4210129658', 'display_name': 'Institute of Industrial Economics', 'ror': 'https://ror.org/03ad74s15', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I114218197', 'https://openalex.org/I4210129658']}, {'id': 'https://openalex.org/I115592961', 'display_name': 'Jiangsu University', 'ror': 'https://ror.org/03jc41j30', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I115592961']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Huaping Sun', 'raw_affiliation_strings': ['Institute of Industrial Economics, Jiangsu University, Zhenjiang 212013, China', 'School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200 240, China'], 'affiliations': [{'raw_affiliation_string': 'School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200 240, China', 'institution_ids': ['https://openalex.org/I183067930']}, {'raw_affiliation_string': 'Institute of Industrial Economics, Jiangsu University, Zhenjiang 212013, China', 'institution_ids': ['https://openalex.org/I4210129658', 'https://openalex.org/I115592961']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5079063327', 'display_name': 'Yong Geng', 'orcid': 'https://orcid.org/0000-0002-2284-1375'}, 'institutions': [{'id': 'https://openalex.org/I183067930', 'display_name': 'Shanghai Jiao Tong University', 'ror': 'https://ror.org/0220qvk04', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I183067930']}, {'id': 'https://openalex.org/I4210129658', 'display_name': 'Institute of Industrial Economics', 'ror': 'https://ror.org/03ad74s15', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I114218197', 'https://openalex.org/I4210129658']}, {'id': 'https://openalex.org/I115592961', 'display_name': 'Jiangsu University', 'ror': 'https://ror.org/03jc41j30', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I115592961']}], 'countries': ['CN'], 'is_corresponding': True, 'raw_author_name': 'Yong Geng', 'raw_affiliation_strings': ['China Institute of Urban Governance, Shanghai Jiao Tong University, Shanghai 200030, China', 'Institute of Industrial Economics, Jiangsu University, Zhenjiang 212013, China', 'School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200 240, China', 'Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China'], 'affiliations': [{'raw_affiliation_string': 'China Institute of Urban Governance, Shanghai Jiao Tong University, Shanghai 200030, China', 'institution_ids': ['https://openalex.org/I183067930']}, {'raw_affiliation_string': 'Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China', 'institution_ids': []}, {'raw_affiliation_string': 'School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200 240, China', 'institution_ids': ['https://openalex.org/I183067930']}, {'raw_affiliation_string': 'Institute of Industrial Economics, Jiangsu University, Zhenjiang 212013, China', 'institution_ids': ['https://openalex.org/I4210129658', 'https://openalex.org/I115592961']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5035531784', 'display_name': 'Lingxiang Hu', 'orcid': 'https://orcid.org/0000-0002-7925-2635'}, 'institutions': [{'id': 'https://openalex.org/I115592961', 'display_name': 'Jiangsu University', 'ror': 'https://ror.org/03jc41j30', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I115592961']}, {'id': 'https://openalex.org/I4210129658', 'display_name': 'Institute of Industrial Economics', 'ror': 'https://ror.org/03ad74s15', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I114218197', 'https://openalex.org/I4210129658']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Lingxiang Hu', 'raw_affiliation_strings': ['Institute of Industrial Economics, Jiangsu University, Zhenjiang 212013, China'], 'affiliations': [{'raw_affiliation_string': 'Institute of Industrial Economics, Jiangsu University, Zhenjiang 212013, China', 'institution_ids': ['https://openalex.org/I115592961', 'https://openalex.org/I4210129658']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5026468445', 'display_name': 'Longyu Shi', 'orcid': 'https://orcid.org/0000-0002-5775-4917'}, 'institutions': [{'id': 'https://openalex.org/I4210119653', 'display_name': 'Institute of Urban Environment', 'ror': 'https://ror.org/025gq5q04', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I19820366', 'https://openalex.org/I4210119653']}, {'id': 'https://openalex.org/I19820366', 'display_name': 'Chinese Academy of Sciences', 'ror': 'https://ror.org/034t30j35', 'country_code': 'CN', 'type': 'government', 'lineage': ['https://openalex.org/I19820366']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Longyu Shi', 'raw_affiliation_strings': ['Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China'], 'affiliations': [{'raw_affiliation_string': 'Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China', 'institution_ids': ['https://openalex.org/I4210119653', 'https://openalex.org/I19820366']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5040011854', 'display_name': 'Tong Xu', 'orcid': 'https://orcid.org/0000-0002-9713-9281'}, 'institutions': [{'id': 'https://openalex.org/I4210119653', 'display_name': 'Institute of Urban Environment', 'ror': 'https://ror.org/025gq5q04', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I19820366', 'https://openalex.org/I4210119653']}, {'id': 'https://openalex.org/I19820366', 'display_name': 'Chinese Academy of Sciences', 'ror': 'https://ror.org/034t30j35', 'country_code': 'CN', 'type': 'government', 'lineage': ['https://openalex.org/I19820366']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Tong Xu', 'raw_affiliation_strings': ['Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China', 'Xiamen Key Lab of Urban Metabolism, Xiamen 361021, China'], 'affiliations': [{'raw_affiliation_string': 'Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China', 'institution_ids': ['https://openalex.org/I4210119653', 'https://openalex.org/I19820366']}, {'raw_affiliation_string': 'Xiamen Key Lab of Urban Metabolism, Xiamen 361021, China', 'institution_ids': ['https://openalex.org/I4210119653']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 5, 'corresponding_author_ids': ['https://openalex.org/A5079063327'], 'corresponding_institution_ids': ['https://openalex.org/I183067930', 'https://openalex.org/I4210129658', 'https://openalex.org/I115592961'], 'apc_list': {'value': 3980, 'currency': 'USD', 'value_usd': 3980, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 6.259, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 128, 'citation_normalized_percentile': {'value': 0.999984, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '153', 'issue': None, 'first_page': '685', 'last_page': '693'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10768', 'display_name': 'Integration of Electric Vehicles in Power Systems', 'score': 0.9993, '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'}}, 'topics': [{'id': 'https://openalex.org/T10768', 'display_name': 'Integration of Electric Vehicles in Power Systems', 'score': 0.9993, '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'}}, {'id': 'https://openalex.org/T12659', 'display_name': 'Models and Dynamics of Technology Diffusion', 'score': 0.9921, 'subfield': {'id': 'https://openalex.org/subfields/1803', 'display_name': 'Management Science and Operations Research'}, 'field': {'id': 'https://openalex.org/fields/18', 'display_name': 'Decision Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T11336', 'display_name': 'Indoor Air Pollution in Developing Countries', 'score': 0.9861, '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/social-network-analysis', 'display_name': 'Social network analysis', 'score': 0.66641724}, {'id': 'https://openalex.org/keywords/patent-analysis', 'display_name': 'Patent analysis', 'score': 0.55380625}, {'id': 'https://openalex.org/keywords/new-product-growth', 'display_name': 'New Product Growth', 'score': 0.489898}, {'id': 'https://openalex.org/keywords/network-analysis', 'display_name': 'Network analysis', 'score': 0.4280445}, {'id': 'https://openalex.org/keywords/network-structure', 'display_name': 'Network structure', 'score': 0.42573836}], 'concepts': [{'id': 'https://openalex.org/C191935318', 'wikidata': 'https://www.wikidata.org/wiki/Q148', 'display_name': 'China', 'level': 2, 'score': 0.84401524}, {'id': 'https://openalex.org/C114713312', 'wikidata': 'https://www.wikidata.org/wiki/Q7551269', 'display_name': 'Social network analysis', 'level': 3, 'score': 0.66641724}, {'id': 'https://openalex.org/C2778029865', 'wikidata': 'https://www.wikidata.org/wiki/Q25110998', 'display_name': 'Patent analysis', 'level': 2, 'score': 0.55380625}, {'id': 'https://openalex.org/C144133560', 'wikidata': 'https://www.wikidata.org/wiki/Q4830453', 'display_name': 'Business', 'level': 0, 'score': 0.517498}, {'id': 'https://openalex.org/C110121322', 'wikidata': 'https://www.wikidata.org/wiki/Q865811', 'display_name': 'Distribution (mathematics)', 'level': 2, 'score': 0.47538224}, {'id': 'https://openalex.org/C148383697', 'wikidata': 'https://www.wikidata.org/wiki/Q1781695', 'display_name': 'Regional science', 'level': 1, 'score': 0.47066295}, {'id': 'https://openalex.org/C32946077', 'wikidata': 'https://www.wikidata.org/wiki/Q618079', 'display_name': 'Network analysis', 'level': 2, 'score': 0.4280445}, {'id': 'https://openalex.org/C2988224531', 'wikidata': 'https://www.wikidata.org/wiki/Q20830730', 'display_name': 'Network structure', 'level': 2, 'score': 0.42573836}, {'id': 'https://openalex.org/C9652623', 'wikidata': 'https://www.wikidata.org/wiki/Q190109', 'display_name': 'Field (mathematics)', 'level': 2, 'score': 0.41041657}, {'id': 'https://openalex.org/C40700', 'wikidata': 'https://www.wikidata.org/wiki/Q1411783', 'display_name': 'Industrial organization', 'level': 1, 'score': 0.39554638}, {'id': 'https://openalex.org/C26271046', 'wikidata': 'https://www.wikidata.org/wiki/Q187097', 'display_name': 'Economic geography', 'level': 1, 'score': 0.38253355}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.36123073}, {'id': 'https://openalex.org/C134560507', 'wikidata': 'https://www.wikidata.org/wiki/Q753291', 'display_name': 'Environmental economics', 'level': 1, 'score': 0.33622205}, {'id': 'https://openalex.org/C50522688', 'wikidata': 'https://www.wikidata.org/wiki/Q189833', 'display_name': 'Economic growth', 'level': 1, 'score': 0.3246311}, {'id': 'https://openalex.org/C518677369', 'wikidata': 'https://www.wikidata.org/wiki/Q202833', 'display_name': 'Social media', 'level': 2, 'score': 0.227976}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.21724492}, {'id': 'https://openalex.org/C2522767166', 'wikidata': 'https://www.wikidata.org/wiki/Q2374463', 'display_name': 'Data science', 'level': 1, 'score': 0.19729885}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.19360998}, {'id': 'https://openalex.org/C17744445', 'wikidata': 'https://www.wikidata.org/wiki/Q36442', 'display_name': 'Political science', 'level': 0, 'score': 0.18382013}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.17665398}, {'id': 'https://openalex.org/C199539241', 'wikidata': 'https://www.wikidata.org/wiki/Q7748', 'display_name': 'Law', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C166957645', 'wikidata': 'https://www.wikidata.org/wiki/Q23498', 'display_name': 'Archaeology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C119599485', 'wikidata': 'https://www.wikidata.org/wiki/Q43035', 'display_name': 'Electrical engineering', '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/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.energy.2018.04.077', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2497375143', 'display_name': 'Energy', 'issn_l': '0360-5442', 'issn': ['0360-5442', '1873-6785'], '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [{'funder': 'https://openalex.org/F4320321001', 'funder_display_name': 'National Natural Science Foundation of China', 'award_id': '71690241'}, {'funder': 'https://openalex.org/F4320321001', 'funder_display_name': 'National Natural Science Foundation of China', 'award_id': '71774071'}, {'funder': 'https://openalex.org/F4320321543', 'funder_display_name': 'China Postdoctoral Science Foundation', 'award_id': '2016M601568'}], 'datasets': [], 'versions': [], 'referenced_works_count': 27, 'referenced_works': ['https://openalex.org/W1487094952', 'https://openalex.org/W1610872298', 'https://openalex.org/W1965061368', 'https://openalex.org/W1978058149', 'https://openalex.org/W1979986721', 'https://openalex.org/W1983569498', 'https://openalex.org/W1983606891', 'https://openalex.org/W2006975419', 'https://openalex.org/W2016053456', 'https://openalex.org/W2031967012', 'https://openalex.org/W2032832857', 'https://openalex.org/W2094983775', 'https://openalex.org/W2097399646', 'https://openalex.org/W2152651949', 'https://openalex.org/W2156078297', 'https://openalex.org/W2175567070', 'https://openalex.org/W2275001175', 'https://openalex.org/W2389858485', 'https://openalex.org/W2507089870', 'https://openalex.org/W2581231370', 'https://openalex.org/W2588426043', 'https://openalex.org/W2606718867', 'https://openalex.org/W2625351325', 'https://openalex.org/W2752025181', 'https://openalex.org/W2763256112', 'https://openalex.org/W2792079257', 'https://openalex.org/W648223566'], 'related_works': ['https://openalex.org/W4386880480', 'https://openalex.org/W4312222594', 'https://openalex.org/W3155846532', 'https://openalex.org/W2904868555', 'https://openalex.org/W2361372973', 'https://openalex.org/W2360385312', 'https://openalex.org/W2321938750', 'https://openalex.org/W2113953848', 'https://openalex.org/W2020198693', 'https://openalex.org/W1926303568'], 'abstract_inverted_index': {'Due': [0], 'to': [1, 35], 'increasing': [2], 'concerns': [3], 'on': [4], 'climate': [5], 'change,': [6], 'air': [7], 'pollution,': [8], 'and': [9, 21, 30, 84, 86, 106, 133, 158], 'associated': [10], 'public': [11], 'health,': [12], "China's": [13, 55, 119], 'new-energy-vehicle': [14], '(NEV)': [15], 'industry': [16], 'has': [17, 123], 'received': [18], 'great': [19], 'support': [20, 36], 'experienced': [22], 'rapid': [23, 38], 'development.': [24, 39], 'Many': [25], 'patents': [26, 57, 73, 91, 99, 156], 'have': [27], 'been': [28], 'approved': [29], 'applied': [31], 'in': [32], 'this': [33], 'field': [34], 'its': [37, 104], 'However,': [40], 'few': [41], 'studies': [42], 'investigated': [43], 'the': [44, 70, 77, 87, 112, 143, 148, 152, 159], 'evolution': [45], 'of': [46, 90, 97, 111, 150, 154, 161], 'these': [47], 'patents.': [48], 'Under': [49], 'such': [50, 146], 'a': [51, 60, 127], 'background,': [52], 'we': [53], 'measure': [54], 'NEV-related': [56, 72, 98, 155], 'by': [58, 141], 'using': [59], 'social': [61], 'network': [62, 96, 122, 129], 'analysis': [63], 'approach.': [64], 'The': [65, 94, 115], 'top': [66], '38': [67], 'organizations': [68], 'with': [69, 126], 'most': [71], 'were': [74, 92, 139], 'chosen': [75], 'as': [76, 147], 'study': [78], 'targets.': [79], 'Patent': [80], 'numbers,': [81], 'technological': [82], 'innovation': [83], 'development,': [85], 'geographical': [88], 'distribution': [89], 'examined.': [93], 'cooperation': [95, 121], 'was': [100], 'also': [101], 'investigated,': [102], 'including': [103], 'features': [105], 'performance': [107], 'during': [108], 'different': [109], 'stages': [110], 'NEV': [113], 'growth.': [114], 'results': [116], 'show': [117], 'that': [118], 'NEV-patents': [120], 'evolved': [124], 'smoothly': [125], 'growing': [128], 'density,': [130], 'stable': [131], 'structure,': [132], 'more': [134], 'cohesive': [135], 'subgroups.': [136], 'Policy': [137], 'recommendations': [138], 'raised': [140], 'considering': [142], 'Chinese': [144], 'realities,': [145], 'encouragement': [149], 'cooperation,': [151], 'creation': [153], 'pools,': [157], 'roles': [160], 'various': [162], 'stakeholders.': [163]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2799888370', 'counts_by_year': [{'year': 2024, 'cited_by_count': 15}, {'year': 2023, 'cited_by_count': 17}, {'year': 2022, 'cited_by_count': 30}, {'year': 2021, 'cited_by_count': 27}, {'year': 2020, 'cited_by_count': 27}, {'year': 2019, 'cited_by_count': 8}, {'year': 2018, 'cited_by_count': 2}], 'updated_date': '2024-09-23T19:17:00.539888', 'created_date': '2018-05-17'}