Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W3081640122', 'doi': 'https://doi.org/10.1016/j.chest.2020.04.038', 'title': 'Machine Learning Predictions of COPD Mortality', 'display_name': 'Machine Learning Predictions of COPD Mortality', 'publication_year': 2020, 'publication_date': '2020-09-01', 'ids': {'openalex': 'https://openalex.org/W3081640122', 'doi': 'https://doi.org/10.1016/j.chest.2020.04.038', 'mag': '3081640122', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/32892878'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/j.chest.2020.04.038', 'pdf_url': 'http://journal.chestnet.org/article/S0012369220308576/pdf', 'source': {'id': 'https://openalex.org/S76900504', 'display_name': 'CHEST Journal', 'issn_l': '0012-3692', 'issn': ['0012-3692', '1931-3543'], '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': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'letter', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'http://journal.chestnet.org/article/S0012369220308576/pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5043197283', 'display_name': 'Alexander M. Matheson', 'orcid': 'https://orcid.org/0000-0002-6022-9507'}, 'institutions': [{'id': 'https://openalex.org/I125749732', 'display_name': 'Western University', 'ror': 'https://ror.org/02grkyz14', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I125749732']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Alexander M. Matheson', 'raw_affiliation_strings': ['Department of Medical Biophysics and Robarts Research Institute, Western University, London, Canada.'], 'affiliations': [{'raw_affiliation_string': 'Department of Medical Biophysics and Robarts Research Institute, Western University, London, Canada.', 'institution_ids': ['https://openalex.org/I125749732']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5072668158', 'display_name': 'Grace Párraga', 'orcid': 'https://orcid.org/0000-0002-5619-4145'}, 'institutions': [{'id': 'https://openalex.org/I125749732', 'display_name': 'Western University', 'ror': 'https://ror.org/02grkyz14', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I125749732']}, {'id': 'https://openalex.org/I4210105758', 'display_name': 'Robarts Clinical Trials', 'ror': 'https://ror.org/01e36dv41', 'country_code': 'CA', 'type': 'facility', 'lineage': ['https://openalex.org/I4210105758', 'https://openalex.org/I4405252475']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Grace Parraga', 'raw_affiliation_strings': ['Department of Medical Biophysics and Robarts Research Institute, Western University, London, Canada. Electronic address: [email protected].'], 'affiliations': [{'raw_affiliation_string': 'Department of Medical Biophysics and Robarts Research Institute, Western University, London, Canada. Electronic address: [email protected].', 'institution_ids': ['https://openalex.org/I125749732', 'https://openalex.org/I4210105758']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3790, 'currency': 'USD', 'value_usd': 3790, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': None, 'has_fulltext': False, 'cited_by_count': 1, 'citation_normalized_percentile': {'value': 0.390739, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 60, 'max': 69}, 'biblio': {'volume': '158', 'issue': '3', 'first_page': '846', 'last_page': '847'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10143', 'display_name': 'Chronic Obstructive Pulmonary Disease (COPD) Research', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory Medicine'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10143', 'display_name': 'Chronic Obstructive Pulmonary Disease (COPD) Research', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory Medicine'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10322', 'display_name': 'Respiratory Support and Mechanisms', 'score': 0.9908, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory Medicine'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10051', 'display_name': 'Asthma and respiratory diseases', 'score': 0.9764, 'subfield': {'id': 'https://openalex.org/subfields/2737', 'display_name': 'Physiology'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/bode-index', 'display_name': 'BODE index', 'score': 0.8918932}, {'id': 'https://openalex.org/keywords/obstructive-lung-disease', 'display_name': 'Obstructive lung disease', 'score': 0.64922833}, {'id': 'https://openalex.org/keywords/gold-standard', 'display_name': 'Gold standard (test)', 'score': 0.44608158}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.92077684}, {'id': 'https://openalex.org/C2777168814', 'wikidata': 'https://www.wikidata.org/wiki/Q16246543', 'display_name': 'BODE index', 'level': 4, 'score': 0.8918932}, {'id': 'https://openalex.org/C2776780178', 'wikidata': 'https://www.wikidata.org/wiki/Q199804', 'display_name': 'COPD', 'level': 2, 'score': 0.82092804}, {'id': 'https://openalex.org/C2777104659', 'wikidata': 'https://www.wikidata.org/wiki/Q3508797', 'display_name': 'Obstructive lung disease', 'level': 3, 'score': 0.64922833}, {'id': 'https://openalex.org/C27415008', 'wikidata': 'https://www.wikidata.org/wiki/Q7256382', 'display_name': 'Psychological intervention', 'level': 2, 'score': 0.57487917}, {'id': 'https://openalex.org/C2780221984', 'wikidata': 'https://www.wikidata.org/wiki/Q131191', 'display_name': 'Body mass index', 'level': 2, 'score': 0.52916455}, {'id': 'https://openalex.org/C40993552', 'wikidata': 'https://www.wikidata.org/wiki/Q514654', 'display_name': 'Gold standard (test)', 'level': 2, 'score': 0.44608158}, {'id': 'https://openalex.org/C1862650', 'wikidata': 'https://www.wikidata.org/wiki/Q186005', 'display_name': 'Physical therapy', 'level': 1, 'score': 0.43045947}, {'id': 'https://openalex.org/C2992779976', 'wikidata': 'https://www.wikidata.org/wiki/Q3286546', 'display_name': 'Pulmonary disease', 'level': 2, 'score': 0.42590928}, {'id': 'https://openalex.org/C83867959', 'wikidata': 'https://www.wikidata.org/wiki/Q371467', 'display_name': 'Scopus', 'level': 3, 'score': 0.4189114}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.38975203}, {'id': 'https://openalex.org/C177713679', 'wikidata': 'https://www.wikidata.org/wiki/Q679690', 'display_name': 'Intensive care medicine', 'level': 1, 'score': 0.37457687}, {'id': 'https://openalex.org/C2779473830', 'wikidata': 'https://www.wikidata.org/wiki/Q1540899', 'display_name': 'MEDLINE', 'level': 2, 'score': 0.249154}, {'id': 'https://openalex.org/C2780779891', 'wikidata': 'https://www.wikidata.org/wiki/Q3455927', 'display_name': 'Pulmonary rehabilitation', 'level': 3, 'score': 0.2019363}, {'id': 'https://openalex.org/C118552586', 'wikidata': 'https://www.wikidata.org/wiki/Q7867', 'display_name': 'Psychiatry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C17744445', 'wikidata': 'https://www.wikidata.org/wiki/Q36442', 'display_name': 'Political science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C199539241', 'wikidata': 'https://www.wikidata.org/wiki/Q7748', 'display_name': 'Law', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D000069550', 'descriptor_name': 'Machine Learning', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D029424', 'descriptor_name': 'Pulmonary Disease, Chronic Obstructive', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/j.chest.2020.04.038', 'pdf_url': 'http://journal.chestnet.org/article/S0012369220308576/pdf', 'source': {'id': 'https://openalex.org/S76900504', 'display_name': 'CHEST Journal', 'issn_l': '0012-3692', 'issn': ['0012-3692', '1931-3543'], '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': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/32892878', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/j.chest.2020.04.038', 'pdf_url': 'http://journal.chestnet.org/article/S0012369220308576/pdf', 'source': {'id': 'https://openalex.org/S76900504', 'display_name': 'CHEST Journal', 'issn_l': '0012-3692', 'issn': ['0012-3692', '1931-3543'], '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': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 9, 'referenced_works': ['https://openalex.org/W1999226863', 'https://openalex.org/W2082907106', 'https://openalex.org/W2097104488', 'https://openalex.org/W2122590281', 'https://openalex.org/W2123023061', 'https://openalex.org/W2123084333', 'https://openalex.org/W2139347600', 'https://openalex.org/W2785962192', 'https://openalex.org/W3020235507'], 'related_works': ['https://openalex.org/W4399493190', 'https://openalex.org/W4390808231', 'https://openalex.org/W4366451543', 'https://openalex.org/W363671789', 'https://openalex.org/W2787863684', 'https://openalex.org/W2776181587', 'https://openalex.org/W2765909374', 'https://openalex.org/W2519372225', 'https://openalex.org/W2167070869', 'https://openalex.org/W1987200007'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3081640122', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}], 'updated_date': '2024-12-28T19:29:06.720877', 'created_date': '2020-09-08'}