Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1995175545', 'doi': 'https://doi.org/10.1007/bf00147821', 'title': 'Rail transit construction around the world', 'display_name': 'Rail transit construction around the world', 'publication_year': 1980, 'publication_date': '1980-01-01', 'ids': {'openalex': 'https://openalex.org/W1995175545', 'doi': 'https://doi.org/10.1007/bf00147821', 'mag': '1995175545'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf00147821', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S62009534', 'display_name': 'Transportation', 'issn_l': '0049-4488', 'issn': ['0049-4488', '1572-9435'], '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': '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/A5083176151', 'display_name': 'P J Goldsack', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'Paul J. Goldsack', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5083176151'], 'corresponding_institution_ids': [], 'apc_list': {'value': 2190, 'currency': 'EUR', 'value_usd': 2790, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 4, 'citation_normalized_percentile': {'value': 0.809229, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 71, 'max': 74}, 'biblio': {'volume': '9', 'issue': '1', 'first_page': '83', 'last_page': '92'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T13439', 'display_name': 'Impact of Railway Deregulation on Competition and Efficiency', 'score': 0.5606, 'subfield': {'id': 'https://openalex.org/subfields/1408', 'display_name': 'Strategy and 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'}}, 'topics': [{'id': 'https://openalex.org/T13439', 'display_name': 'Impact of Railway Deregulation on Competition and Efficiency', 'score': 0.5606, 'subfield': {'id': 'https://openalex.org/subfields/1408', 'display_name': 'Strategy and 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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/railway-deregulation', 'display_name': 'Railway Deregulation', 'score': 0.496388}, {'id': 'https://openalex.org/keywords/light-rail-transit', 'display_name': 'Light rail transit', 'score': 0.41914475}], 'concepts': [{'id': 'https://openalex.org/C22212356', 'wikidata': 'https://www.wikidata.org/wiki/Q775325', 'display_name': 'Transport engineering', 'level': 1, 'score': 0.6105045}, {'id': 'https://openalex.org/C2778022998', 'wikidata': 'https://www.wikidata.org/wiki/Q651136', 'display_name': 'Transit (satellite)', 'level': 3, 'score': 0.5290707}, {'id': 'https://openalex.org/C148383697', 'wikidata': 'https://www.wikidata.org/wiki/Q1781695', 'display_name': 'Regional science', 'level': 1, 'score': 0.50883514}, {'id': 'https://openalex.org/C539828613', 'wikidata': 'https://www.wikidata.org/wiki/Q178512', 'display_name': 'Public transport', 'level': 2, 'score': 0.45830253}, {'id': 'https://openalex.org/C2984150052', 'wikidata': 'https://www.wikidata.org/wiki/Q1268865', 'display_name': 'Light rail transit', 'level': 3, 'score': 0.41914475}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.38978627}, {'id': 'https://openalex.org/C26271046', 'wikidata': 'https://www.wikidata.org/wiki/Q187097', 'display_name': 'Economic geography', 'level': 1, 'score': 0.38697746}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.34477904}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf00147821', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S62009534', 'display_name': 'Transportation', 'issn_l': '0049-4488', 'issn': ['0049-4488', '1572-9435'], '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': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W823842769', 'https://openalex.org/W629573010', 'https://openalex.org/W612797586', 'https://openalex.org/W4388420020', 'https://openalex.org/W4241894368', 'https://openalex.org/W4238517002', 'https://openalex.org/W3162329824', 'https://openalex.org/W2466747990', 'https://openalex.org/W2141099407', 'https://openalex.org/W2052743154'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1995175545', 'counts_by_year': [{'year': 2020, 'cited_by_count': 2}], 'updated_date': '2024-09-15T12:45:44.507524', 'created_date': '2016-06-24'}