Alexei Figueroa has been a research assistant for DATEXIS since February 2020. Having originally studied and worked in Finance he pursued a BsC in Information Engineering to later finish his MsC in Data Science at the Berlin University of Applied Sciences and Technology in August 2020.
In his spare time Alexei draws, plays the guitar and runs.
Publications
- Benjamin Winter, Alexei Figueroa, Amy Siu, Felix Gers, Alexander Löser. KIMERA: Injecting Domain Knowledge into Vacant Transformer Heads. LREC 2022
- Tom Röhr, Alexei Figueroa, Jens-Michalis Papaioannou, Conor Fallon, Keno Bressem, Wolfgang Nejdl, Alexander Löser. Revisiting Clinical Outcome Prediction for MIMIC‑IV. NAACL Workshop 2024
- Benjamin Winter, Alexei Gustavo Figueroa Rosero, Alexander Loeser, Felix Alexander Gers, Nancy Katerina Figueroa Rosero, Ralf Krestel. DDxGym: Online Transformer Policies in a Knowledge Graph Based Natural Language Environment. LREC-COLING 2024
- Alexei Figueroa, Jens-Michalis Papaioannou, Conor Fallon, Alexandra Bekiaridou, Keno Bressem, Stavros Zanos, Felix Gers, Wolfgang Nejdl & Alexander Löser. Boosting Long-Tail Data Classification with Sparse Prototypical Networks. ECML PKDD 2024
- Alexei Figueroa, Justus Westerhoff, Golza Atefi, Dennis Fast, Benjamin Winter, Felix Alexander Gers, ... & Wolfang Nejdl. Comply: Learning Sentences with Complex Weights inspired by Fruit Fly Olfaction. IEEE 2025
- Alexei Figueroa, Paul Grundmann, Julius Freidank, Wolfgang Nejdl, & Alexander Loeser. Evaluating Financial Literacy of Large Language Models through Domain Specific Languages for Plain Text Accounting. FinNLP Workshop 2025
