Rafał Poświata

Researcher, National Information Processing Institute

Joined

February 2022

Names

Rafał Poświata (Preferred)

Emails

****@opi.org.pl (Confirmed)

****@gmail.com (Confirmed)

Personal Links

Career & Education History

Researcher

National Information Processing Institute (opi.org.pl)

2018 – Present

Advisors, Relations & Conflicts

Coauthor

Michał Wiktor Perełkiewicz

Present

Coauthor

Sławomir Dadas

Present

Coauthor

Marek Kozlowski

Present

Coauthor

Małgorzata Grębowiec

Present

Coauthor

Marcin Białas

Present

Coauthor

Marcin Mirończuk

Present

Expertise

NLP

Present

Text Embeddings

Present

LLMs

Present

Benchmarking/Evaluation

Present

Information Retrieval

Present

Publications

Long-Context Encoder Models for Polish Language Understanding
Slawomir Dadas, Rafal Poswiata, Marek Kozlowski, Malgorzata Grebowiec, Michal Perelkiewicz, Pawel Klimiuk, Przemyslaw Boruta
- CoRR 2026
- Readers: Everyone
A support system for the detection of abusive clauses in B2C contracts
Slawomir Dadas, Marek Kozlowski, Rafal Poswiata, Michal Perelkiewicz, Marcin Bialas, Malgorzata Grebowiec
- Artif. Intell. Law 2025
- Readers: Everyone
Evaluating Polish linguistic and cultural competency in large language models
Slawomir Dadas, Malgorzata Grebowiec, Michal Perelkiewicz, Rafal Poswiata
- CoRR 2025
- Readers: Everyone
MMTEB: Massive Multilingual Text Embedding Benchmark
Kenneth C. Enevoldsen, Isaac Chung, Imene Kerboua, Márton Kardos, Ashwin Mathur, David Stap, Jay Gala, Wissam Siblini, Dominik Krzeminski, Genta Indra Winata, Saba Sturua, Saiteja Utpala, Mathieu Ciancone, Marion Schaeffer, Gabriel Sequeira, Diganta Misra, Shreeya Dhakal, Jonathan Rystrøm, Roman Solomatin, Ömer Çagatan et al. (66 additional authors not shown)
- CoRR 2025
- Readers: Everyone
SMCLM: Semantically Meaningful Causal Language Modeling for Autoregressive Paraphrase Generation
Michal Perelkiewicz, Slawomir Dadas, Rafal Poswiata
- IEEE Access 2025
- Readers: Everyone
Unveiling Dual Quality in Product Reviews: An NLP-Based Approach
Rafal Poswiata, Marcin Michal Mironczuk, Slawomir Dadas, Malgorzata Grebowiec, Michal Perelkiewicz
- ACL (6) 2025
- Readers: Everyone
Evaluating Polish Linguistic and Cultural Competency in Large Language Models
Slawomir Dadas, Malgorzata Grebowiec, Michal Perelkiewicz, Rafal Poswiata
- ICAISC (1) 2025
- Readers: Everyone
MMTEB: Massive Multilingual Text Embedding Benchmark
Kenneth Enevoldsen, Isaac Chung, Imene Kerboua, Márton Kardos, Ashwin Mathur, David Stap, Jay Gala, Wissam Siblini, Dominik Krzemiński, Genta Indra Winata, Saba Sturua, Saiteja Utpala, Mathieu Ciancone, Marion Schaeffer, Diganta Misra, Shreeya Dhakal, Jonathan Rystrøm, Roman Solomatin, Ömer Veysel Çağatan, Akash Kundu et al. (62 additional authors not shown)
- ICLR 2025 Poster
- Readers: Everyone
A Review of the Challenges with Massive Web-Mined Corpora Used in Large Language Models Pre-training
Michal Perelkiewicz, Rafal Poswiata
- ICAISC (3) 2024
- Readers: Everyone
PIRB: A Comprehensive Benchmark of Polish Dense and Hybrid Text Retrieval Methods
Slawomir Dadas, Michal Perelkiewicz, Rafal Poswiata
- LREC/COLING 2024
- Readers: Everyone

View all 20 publications

Co-Authors

View all 102 co-authors