{"id":"https://openalex.org/A5073005165","orcid":"https://orcid.org/0000-0002-0728-4208","observed_orcids":["https://orcid.org/0000-0002-0728-4208"],"display_name":"Oleksandr Tkachyk","raw_author_names":["Oleksandr Tkachyk","\u041e. \u0410. \u0422\u043a\u0430\u0447\u0438\u043a"],"full_name":"Oleksandr Tkachyk","works_count":5,"cited_by_count":117,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":2,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5073005165","orcid":"https://orcid.org/0000-0002-0728-4208","observed_orcids":["https://orcid.org/0000-0002-0728-4208"]},"affiliations":[{"institution":{"id":"https://openalex.org/I98435010","ror":"https://ror.org/0542q3127","display_name":"Lviv Polytechnic National University","country_code":"UA","type":"education","lineage":["https://openalex.org/I98435010"]},"years":[2023,2022]}],"last_known_institutions":[{"id":"https://openalex.org/I98435010","ror":"https://ror.org/0542q3127","display_name":"Lviv Polytechnic National University","country_code":"UA","type":"education","lineage":["https://openalex.org/I98435010"]}],"topics":[{"id":"https://openalex.org/T13373","display_name":"Data Mining and Machine Learning Applications","count":4,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10538","display_name":"Data Mining Algorithms and Applications","count":2,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10637","display_name":"Advanced Clustering Algorithms Research","count":2,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","count":2,"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/T10317","display_name":"Advanced Database Systems and Queries","count":1,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11652","display_name":"Imbalanced Data Classification Techniques","value":1.46e-05,"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/T10538","display_name":"Data Mining Algorithms and Applications","value":1.39e-05,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10637","display_name":"Advanced Clustering Algorithms Research","value":1.25e-05,"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/T13373","display_name":"Data Mining and Machine Learning Applications","value":1.24e-05,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10764","display_name":"Privacy-Preserving Technologies in Data","value":1.07e-05,"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":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.748199999332428},{"id":"154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","score":0.7026619911193848},{"id":"75949130","wikidata":"https://www.wikidata.org/wiki/Q848010","display_name":"Database transaction","score":0.4968999922275543},{"id":"10551718","wikidata":"https://www.wikidata.org/wiki/Q5227332","display_name":"Data pre-processing","score":0.4674794375896454},{"id":"34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","score":0.4538286328315735}],"counts_by_year":[{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2023,"works_count":3,"oa_works_count":3,"cited_by_count":12},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":35},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":48},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":22}],"display_name_alternatives":["Oleksandr Tkachyk","\u041e. \u0410. \u0422\u043a\u0430\u0447\u0438\u043a"],"block_key":"o tkachyk","works_api_url":"https://api.openalex.org/works?filter=author.id:A5073005165","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5073005165","updated_date":"2026-11-10T14:30:39","created_date":"2022-08-27T00:00:00"}