Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1968134576', 'doi': 'https://doi.org/10.1016/0041-1647(77)90060-0', 'title': 'The partitioning of long haul air traffic—A study in multinomial choice', 'display_name': 'The partitioning of long haul air traffic—A study in multinomial choice', 'publication_year': 1977, 'publication_date': '1977-02-01', 'ids': {'openalex': 'https://openalex.org/W1968134576', 'doi': 'https://doi.org/10.1016/0041-1647(77)90060-0', 'mag': '1968134576'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0041-1647(77)90060-0', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S182208834', 'display_name': 'Transportation Research', 'issn_l': '0041-1647', 'issn': ['0041-1647', '1878-3821'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, '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/A5109806784', 'display_name': 'Adib Kanafani', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I95457486', 'display_name': 'University of California, Berkeley', 'ror': 'https://ror.org/01an7q238', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I95457486']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Adib Kanafani', 'raw_affiliation_strings': ['Institute of Transportation Studies, University of California, Berkeley CA 94720, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Institute of Transportation Studies, University of California, Berkeley CA 94720, U.S.A.', 'institution_ids': ['https://openalex.org/I95457486']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5034392804', 'display_name': 'Élisabeth Sadoulet', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I114457229', 'display_name': 'University of Geneva', 'ror': 'https://ror.org/01swzsf04', 'country_code': 'CH', 'type': 'education', 'lineage': ['https://openalex.org/I114457229']}], 'countries': ['CH'], 'is_corresponding': False, 'raw_author_name': 'Elisabeth Sadoulet', 'raw_affiliation_strings': ['Université De Genève, Geneva, Switzerland'], 'affiliations': [{'raw_affiliation_string': 'Université De Genève, Geneva, Switzerland', 'institution_ids': ['https://openalex.org/I114457229']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 2.038, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 15, 'citation_normalized_percentile': {'value': 0.892521, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 84, 'max': 85}, 'biblio': {'volume': '11', 'issue': '1', 'first_page': '1', 'last_page': '8'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11599', 'display_name': 'Aviation Industry Analysis and Trends', 'score': 0.9998, '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': 'Aviation Industry Analysis and Trends', 'score': 0.9998, '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/T10841', 'display_name': 'Economic and Environmental Valuation', 'score': 0.9917, 'subfield': {'id': 'https://openalex.org/subfields/2002', 'display_name': 'Economics and Econometrics'}, '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': 'Transportation Planning and Optimization', 'score': 0.9899, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/multinomial-probit', 'display_name': 'Multinomial probit', 'score': 0.57960933}, {'id': 'https://openalex.org/keywords/multinomial-distribution', 'display_name': 'Multinomial distribution', 'score': 0.51811}, {'id': 'https://openalex.org/keywords/independence', 'display_name': 'Independence', 'score': 0.4667364}, {'id': 'https://openalex.org/keywords/mixed-logit', 'display_name': 'Mixed logit', 'score': 0.46351042}], 'concepts': [{'id': 'https://openalex.org/C117568660', 'wikidata': 'https://www.wikidata.org/wiki/Q1650843', 'display_name': 'Multinomial logistic regression', 'level': 2, 'score': 0.870358}, {'id': 'https://openalex.org/C46704056', 'wikidata': 'https://www.wikidata.org/wiki/Q17086346', 'display_name': 'Multinomial probit', 'level': 3, 'score': 0.57960933}, {'id': 'https://openalex.org/C149782125', 'wikidata': 'https://www.wikidata.org/wiki/Q160039', 'display_name': 'Econometrics', 'level': 1, 'score': 0.5485535}, {'id': 'https://openalex.org/C195487862', 'wikidata': 'https://www.wikidata.org/wiki/Q850210', 'display_name': 'Revenue', 'level': 2, 'score': 0.54740924}, {'id': 'https://openalex.org/C192065140', 'wikidata': 'https://www.wikidata.org/wiki/Q1147928', 'display_name': 'Multinomial distribution', 'level': 2, 'score': 0.51811}, {'id': 'https://openalex.org/C182306322', 'wikidata': 'https://www.wikidata.org/wiki/Q1779371', 'display_name': 'Order (exchange)', 'level': 2, 'score': 0.47179598}, {'id': 'https://openalex.org/C35651441', 'wikidata': 'https://www.wikidata.org/wiki/Q625303', 'display_name': 'Independence (probability theory)', 'level': 2, 'score': 0.4667364}, {'id': 'https://openalex.org/C95057490', 'wikidata': 'https://www.wikidata.org/wiki/Q6883984', 'display_name': 'Mixed logit', 'level': 3, 'score': 0.46351042}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.45494744}, {'id': 'https://openalex.org/C22212356', 'wikidata': 'https://www.wikidata.org/wiki/Q775325', 'display_name': 'Transport engineering', 'level': 1, 'score': 0.43646628}, {'id': 'https://openalex.org/C136197465', 'wikidata': 'https://www.wikidata.org/wiki/Q1729295', 'display_name': 'Variety (cybernetics)', 'level': 2, 'score': 0.42030773}, {'id': 'https://openalex.org/C42475967', 'wikidata': 'https://www.wikidata.org/wiki/Q194292', 'display_name': 'Operations research', 'level': 1, 'score': 0.33979297}, {'id': 'https://openalex.org/C151956035', 'wikidata': 'https://www.wikidata.org/wiki/Q1132755', 'display_name': 'Logistic regression', 'level': 2, 'score': 0.27669626}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.27464122}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.23677084}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.19806054}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.16760454}, {'id': 'https://openalex.org/C154945302', 'wikidata': 'https://www.wikidata.org/wiki/Q11660', 'display_name': 'Artificial intelligence', 'level': 1, 'score': 0.062684}, {'id': 'https://openalex.org/C121955636', 'wikidata': 'https://www.wikidata.org/wiki/Q4116214', 'display_name': 'Accounting', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C10138342', 'wikidata': 'https://www.wikidata.org/wiki/Q43015', 'display_name': 'Finance', '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}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0041-1647(77)90060-0', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S182208834', 'display_name': 'Transportation Research', 'issn_l': '0041-1647', 'issn': ['0041-1647', '1878-3821'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, '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': [], 'datasets': [], 'versions': [], 'referenced_works_count': 4, 'referenced_works': ['https://openalex.org/W1999568555', 'https://openalex.org/W2040532814', 'https://openalex.org/W2071972748', 'https://openalex.org/W2072371179'], 'related_works': ['https://openalex.org/W634947069', 'https://openalex.org/W4255254380', 'https://openalex.org/W3021051353', 'https://openalex.org/W2912394473', 'https://openalex.org/W2804821734', 'https://openalex.org/W2734890889', 'https://openalex.org/W2027354766', 'https://openalex.org/W2002838282', 'https://openalex.org/W1999711686', 'https://openalex.org/W1492868478'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1968134576', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-12-16T00:51:31.154985', 'created_date': '2016-06-24'}