Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1569267743', 'doi': None, 'title': 'Software Requirements: Objects, Functions and States', 'display_name': 'Software Requirements: Objects, Functions and States', 'publication_year': 1993, 'publication_date': '1993-03-14', 'ids': {'openalex': 'https://openalex.org/W1569267743', 'mag': '1569267743'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'http://ci.nii.ac.jp/ncid/BA19985615', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'book', 'type_crossref': 'book', '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/A5109332002', 'display_name': 'Alan M. Davis', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I888729015', 'display_name': 'University of Colorado Colorado Springs', 'ror': 'https://ror.org/054spjc55', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I888729015']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Alan M. Davis', 'raw_affiliation_strings': [', University of Colorado Colorado Springs#TAB#'], 'affiliations': [{'raw_affiliation_string': ', University of Colorado Colorado Springs#TAB#', 'institution_ids': ['https://openalex.org/I888729015']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5109332002'], 'corresponding_institution_ids': ['https://openalex.org/I888729015'], 'apc_list': None, 'apc_paid': None, 'fwci': 8.171, 'has_fulltext': False, 'cited_by_count': 684, 'citation_normalized_percentile': {'value': 0.98, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11450', 'display_name': 'Model-Driven Software Engineering Techniques', 'score': 0.3076, 'subfield': {'id': 'https://openalex.org/subfields/1712', 'display_name': 'Software'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11450', 'display_name': 'Model-Driven Software Engineering Techniques', 'score': 0.3076, 'subfield': {'id': 'https://openalex.org/subfields/1712', 'display_name': 'Software'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.5237127}, {'id': 'https://openalex.org/C2777904410', 'wikidata': 'https://www.wikidata.org/wiki/Q7397', 'display_name': 'Software', 'level': 2, 'score': 0.46111846}, {'id': 'https://openalex.org/C115903868', 'wikidata': 'https://www.wikidata.org/wiki/Q80993', 'display_name': 'Software engineering', 'level': 1, 'score': 0.45434308}, {'id': 'https://openalex.org/C199360897', 'wikidata': 'https://www.wikidata.org/wiki/Q9143', 'display_name': 'Programming language', 'level': 1, 'score': 0.39773348}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'http://ci.nii.ac.jp/ncid/BA19985615', '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': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W2341909296', 'https://openalex.org/W2301605390', 'https://openalex.org/W2171816001', 'https://openalex.org/W2159765281', 'https://openalex.org/W2154774499', 'https://openalex.org/W2151451947', 'https://openalex.org/W2139907081', 'https://openalex.org/W2124405605', 'https://openalex.org/W2105539612', 'https://openalex.org/W2064419470', 'https://openalex.org/W2017739343', 'https://openalex.org/W1998017916', 'https://openalex.org/W1786578488', 'https://openalex.org/W1570543497', 'https://openalex.org/W1553078293', 'https://openalex.org/W1537202', 'https://openalex.org/W1504045958', 'https://openalex.org/W1501338961', 'https://openalex.org/W1485894307', 'https://openalex.org/W1485658078'], 'abstract_inverted_index': {'1.': [0], 'Introduction.': [1], '2.': [2], 'Problem': [3], 'Analysis.': [4], '3.': [5], 'The': [6], 'Software': [7], 'Requirements': [8, 19], 'Specification.': [9], '4.': [10], 'Specifying': [11, 15], 'Behavioral': [12], 'Requirements.': [13, 17], '5.': [14], 'Nonbehavioral': [16], '6.': [18], 'Prototyping.': [20], '7.': [21], 'Some': [22], 'Final': [23], 'Thoughts.': [24], 'Glossary.': [25], 'Annotated': [26], 'Bibliography.': [27]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1569267743', 'counts_by_year': [{'year': 2024, 'cited_by_count': 4}, {'year': 2023, 'cited_by_count': 5}, {'year': 2022, 'cited_by_count': 9}, {'year': 2021, 'cited_by_count': 14}, {'year': 2020, 'cited_by_count': 9}, {'year': 2019, 'cited_by_count': 9}, {'year': 2018, 'cited_by_count': 13}, {'year': 2017, 'cited_by_count': 13}, {'year': 2016, 'cited_by_count': 18}, {'year': 2015, 'cited_by_count': 24}, {'year': 2014, 'cited_by_count': 17}, {'year': 2013, 'cited_by_count': 22}, {'year': 2012, 'cited_by_count': 25}], 'updated_date': '2025-01-03T03:07:39.267515', 'created_date': '2016-06-24'}