Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W581673229', 'doi': 'https://doi.org/10.4271/680329', 'title': 'Airport - City Center Transportation by High Speed Ground Link', 'display_name': 'Airport - City Center Transportation by High Speed Ground Link', 'publication_year': 1968, 'publication_date': '1968-02-01', 'ids': {'openalex': 'https://openalex.org/W581673229', 'doi': 'https://doi.org/10.4271/680329', 'mag': '581673229'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.4271/680329', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210202285', 'display_name': 'SAE technical papers on CD-ROM/SAE technical paper series', 'issn_l': '0148-7191', 'issn': ['0148-7191', '1083-4958', '2688-3627'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'proceedings-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/A5029074274', 'display_name': 'P. B. Rockwood', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'P. B. Rockwood', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5036956989', 'display_name': 'C Generette', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'C. Generette', 'raw_affiliation_strings': [], 'affiliations': []}], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 60}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11599', 'display_name': 'Economic Impacts of Air Transportation Systems', 'score': 0.9644, 'subfield': {'id': 'https://openalex.org/subfields/2000', 'display_name': 'General Economics, Econometrics and Finance'}, 'field': {'id': 'https://openalex.org/fields/20', 'display_name': 'Economics, Econometrics and Finance'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11599', 'display_name': 'Economic Impacts of Air Transportation Systems', 'score': 0.9644, 'subfield': {'id': 'https://openalex.org/subfields/2000', 'display_name': 'General Economics, Econometrics and Finance'}, 'field': {'id': 'https://openalex.org/fields/20', 'display_name': 'Economics, Econometrics and Finance'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T10698', 'display_name': 'Understanding Attitudes Towards Public Transport and Private Car', 'score': 0.9584, 'subfield': {'id': 'https://openalex.org/subfields/3313', 'display_name': 'Transportation'}, 'field': {'id': 'https://openalex.org/fields/33', 'display_name': 'Social Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T11489', 'display_name': 'Air Traffic Management and Conflict Resolution', 'score': 0.9414, 'subfield': {'id': 'https://openalex.org/subfields/2202', 'display_name': 'Aerospace 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/center', 'display_name': 'Center (category theory)', 'score': 0.6832205}, {'id': 'https://openalex.org/keywords/airport-efficiency', 'display_name': 'Airport Efficiency', 'score': 0.589863}, {'id': 'https://openalex.org/keywords/urban-air-mobility', 'display_name': 'Urban Air Mobility', 'score': 0.581518}, {'id': 'https://openalex.org/keywords/link', 'display_name': 'Link (geometry)', 'score': 0.56385857}, {'id': 'https://openalex.org/keywords/airport-competition', 'display_name': 'Airport Competition', 'score': 0.545101}, {'id': 'https://openalex.org/keywords/airport-operations', 'display_name': 'Airport Operations', 'score': 0.526331}, {'id': 'https://openalex.org/keywords/high-speed-rail', 'display_name': 'High-speed Rail', 'score': 0.526158}, {'id': 'https://openalex.org/keywords/ground-transportation', 'display_name': 'Ground transportation', 'score': 0.4698464}], 'concepts': [{'id': 'https://openalex.org/C2779463800', 'wikidata': 'https://www.wikidata.org/wiki/Q5062222', 'display_name': 'Center (category theory)', 'level': 2, 'score': 0.6832205}, {'id': 'https://openalex.org/C2778753846', 'wikidata': 'https://www.wikidata.org/wiki/Q6554239', 'display_name': 'Link (geometry)', 'level': 2, 'score': 0.56385857}, {'id': 'https://openalex.org/C22212356', 'wikidata': 'https://www.wikidata.org/wiki/Q775325', 'display_name': 'Transport engineering', 'level': 1, 'score': 0.54342365}, {'id': 'https://openalex.org/C2779306647', 'wikidata': 'https://www.wikidata.org/wiki/Q4354683', 'display_name': 'Ground transportation', 'level': 2, 'score': 0.4698464}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.39452052}, {'id': 'https://openalex.org/C178802073', 'wikidata': 'https://www.wikidata.org/wiki/Q8421', 'display_name': 'Aeronautics', 'level': 1, 'score': 0.3586794}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.30802393}, {'id': 'https://openalex.org/C31258907', 'wikidata': 'https://www.wikidata.org/wiki/Q1301371', 'display_name': 'Computer network', 'level': 1, 'score': 0.20925182}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C8010536', 'wikidata': 'https://www.wikidata.org/wiki/Q160398', 'display_name': 'Crystallography', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.4271/680329', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210202285', 'display_name': 'SAE technical papers on CD-ROM/SAE technical paper series', 'issn_l': '0148-7191', 'issn': ['0148-7191', '1083-4958', '2688-3627'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/11', 'score': 0.4, 'display_name': 'Sustainable cities and communities'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W796328809', 'https://openalex.org/W648268283', 'https://openalex.org/W609264915', 'https://openalex.org/W570261258', 'https://openalex.org/W566702159', 'https://openalex.org/W339475987', 'https://openalex.org/W2286780288', 'https://openalex.org/W2199721227', 'https://openalex.org/W2087283052', 'https://openalex.org/W1518185400'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W581673229', 'counts_by_year': [], 'updated_date': '2024-08-20T18:30:04.607398', 'created_date': '2016-06-24'}