Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2780221885', 'doi': None, 'title': 'Track elevation on the Chicago and Northwestern Railway', 'display_name': 'Track elevation on the Chicago and Northwestern Railway', 'publication_year': 1907, 'publication_date': '1907-01-01', 'ids': {'openalex': 'https://openalex.org/W2780221885', 'mag': '2780221885'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.ideals.illinois.edu/handle/2142/98718', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], '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/A5009343194', 'display_name': 'G. Earl Bronson', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'G. Earl Bronson', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5009343194'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, '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': 76}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10842', 'display_name': 'Railway Engineering and Dynamics', 'score': 0.9971, 'subfield': {'id': 'https://openalex.org/subfields/2210', 'display_name': 'Mechanical 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/T10842', 'display_name': 'Railway Engineering and Dynamics', 'score': 0.9971, 'subfield': {'id': 'https://openalex.org/subfields/2210', 'display_name': 'Mechanical 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/T11606', 'display_name': 'Infrastructure Maintenance and Monitoring', 'score': 0.9302, 'subfield': {'id': 'https://openalex.org/subfields/2205', 'display_name': 'Civil and Structural 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/T12233', 'display_name': 'Geotechnical Engineering and Underground Structures', 'score': 0.9031, 'subfield': {'id': 'https://openalex.org/subfields/2205', 'display_name': 'Civil and Structural 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/elevation', 'display_name': 'Elevation (ballistics)', 'score': 0.56386137}], 'concepts': [{'id': 'https://openalex.org/C37054046', 'wikidata': 'https://www.wikidata.org/wiki/Q641888', 'display_name': 'Elevation (ballistics)', 'level': 2, 'score': 0.56386137}, {'id': 'https://openalex.org/C89992363', 'wikidata': 'https://www.wikidata.org/wiki/Q5961558', 'display_name': 'Track (disk drive)', 'level': 2, 'score': 0.52438635}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.3770995}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.18811882}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.18142661}, {'id': 'https://openalex.org/C66938386', 'wikidata': 'https://www.wikidata.org/wiki/Q633538', 'display_name': 'Structural engineering', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C111919701', 'wikidata': 'https://www.wikidata.org/wiki/Q9135', 'display_name': 'Operating system', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://www.ideals.illinois.edu/handle/2142/98718', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.63, 'display_name': 'Sustainable cities and communities', 'id': 'https://metadata.un.org/sdg/11'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W653855982', 'https://openalex.org/W637156609', 'https://openalex.org/W628194419', 'https://openalex.org/W575594178', 'https://openalex.org/W3151788420', 'https://openalex.org/W3086445265', 'https://openalex.org/W3084327658', 'https://openalex.org/W3083907785', 'https://openalex.org/W2899829379', 'https://openalex.org/W2891812503', 'https://openalex.org/W2889483405', 'https://openalex.org/W2889296732', 'https://openalex.org/W2792207661', 'https://openalex.org/W2741787548', 'https://openalex.org/W2522107939', 'https://openalex.org/W2301326826', 'https://openalex.org/W2277464385', 'https://openalex.org/W2275474566', 'https://openalex.org/W2232138186', 'https://openalex.org/W1552381774'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2780221885', 'counts_by_year': [], 'updated_date': '2024-12-12T01:35:44.891273', 'created_date': '2018-01-05'}