{"id":"https://openalex.org/A5149031847","orcid":null,"observed_orcids":[],"display_name":"Olga Petrova","raw_author_names":["Olga Petrova","Petrova, Olga"],"full_name":"Olga Petrova","works_count":1,"cited_by_count":0,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":0,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5149031847","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I142617266","ror":"https://ror.org/00dr28g20","display_name":"University of Crete","country_code":"GR","type":"education","lineage":["https://openalex.org/I142617266"]},"years":[2022]}],"last_known_institutions":[{"id":"https://openalex.org/I142617266","ror":"https://ror.org/00dr28g20","display_name":"University of Crete","country_code":"GR","type":"education","lineage":["https://openalex.org/I142617266"]}],"topics":[{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","count":1,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10181","display_name":"Natural Language Processing Techniques","count":1,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","count":1,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","value":5.3e-06,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10181","display_name":"Natural Language Processing Techniques","value":2.1e-06,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","value":2e-06,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","score":0.6097000241279602},{"id":"134752490","wikidata":"https://www.wikidata.org/wiki/Q374182","display_name":"Logical consequence","score":0.41029998660087585},{"id":"182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","score":0.3610999882221222},{"id":"119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","score":0.2752000093460083},{"id":"151552104","wikidata":"https://www.wikidata.org/wiki/Q7705809","display_name":"Test suite","score":0.2700999975204468}],"counts_by_year":[{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["Olga Petrova","Petrova, Olga"],"block_key":"o petrova","works_api_url":"https://api.openalex.org/works?filter=author.id:A5149031847","updated_date":"2026-10-05T12:30:24","created_date":"2026-09-02T00:00:00"}
