{"id":"https://openalex.org/A5057496609","orcid":"https://orcid.org/0000-0002-1275-1050","observed_orcids":["https://orcid.org/0000-0002-1275-1050"],"display_name":"Piotr Andruszkiewicz","raw_author_names":["Andruszkiewicz, Piotr","Piotr Andruszkiewicz"],"full_name":"Andruszkiewicz, Piotr","works_count":40,"cited_by_count":190,"summary_stats":{"2yr_mean_citedness":2.5714285714285716,"h_index":6,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5057496609","orcid":"https://orcid.org/0000-0002-1275-1050","observed_orcids":["https://orcid.org/0000-0002-1275-1050"]},"affiliations":[{"institution":{"id":"https://openalex.org/I108403487","ror":"https://ror.org/00y0xnp53","display_name":"Warsaw University of Technology","country_code":"PL","type":"education","lineage":["https://openalex.org/I108403487"]},"years":[2026,2024,2022,2021,2018,2016,2015,2014,2013,2012,2011,2009,2008,2007]},{"institution":{"id":"https://openalex.org/I4210087266","ror":"https://ror.org/003fvp964","display_name":"Institute of Computer Science","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210087266","https://openalex.org/I99542240"]},"years":[2014,2012,2009,2007]},{"institution":{"id":"https://openalex.org/I4210128738","ror":"https://ror.org/0381acm07","display_name":"Samsung (Poland)","country_code":"PL","type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4210128738"]},"years":[2022,2021,2018,2016]}],"last_known_institutions":[{"id":"https://openalex.org/I108403487","ror":"https://ror.org/00y0xnp53","display_name":"Warsaw University of Technology","country_code":"PL","type":"education","lineage":["https://openalex.org/I108403487"]}],"topics":[{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","count":13,"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","count":12,"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":11,"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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","count":10,"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":9,"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/T13083","display_name":"Advanced Text Analysis Techniques","value":8.89e-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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","value":8.79e-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/T12016","display_name":"Web Data Mining and Analysis","value":8.68e-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":6.95e-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/T14435","display_name":"Information Retrieval and Data Mining","value":5.54e-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"}}],"x_concepts":[{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.8882899284362793},{"id":"154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","score":0.764211118221283},{"id":"124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","score":0.7594306468963623},{"id":"204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","score":0.7156864404678345},{"id":"23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","score":0.5918701887130737}],"counts_by_year":[{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":3,"oa_works_count":0,"cited_by_count":12},{"year":2013,"works_count":3,"oa_works_count":1,"cited_by_count":3},{"year":2014,"works_count":3,"oa_works_count":0,"cited_by_count":13},{"year":2015,"works_count":3,"oa_works_count":0,"cited_by_count":6},{"year":2016,"works_count":5,"oa_works_count":2,"cited_by_count":8},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2018,"works_count":4,"oa_works_count":1,"cited_by_count":19},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":17},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2021,"works_count":3,"oa_works_count":3,"cited_by_count":12},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":10},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2024,"works_count":3,"oa_works_count":2,"cited_by_count":8},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2026,"works_count":4,"oa_works_count":4,"cited_by_count":12}],"display_name_alternatives":["Andruszkiewicz, Piotr","Piotr Andruszkiewicz"],"block_key":"p andruszkiewicz","works_api_url":"https://api.openalex.org/works?filter=author.id:A5057496609","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
