most citedMinimizing Live Experiments in Recommender Systems: User Simulation to Evaluate Preference Elicitation Policies

5 citations · 5 across the 5 of their papers we have counts for

collaborators

6 papers

cs.LG2026

Do Your Own Research: Learning to Forecast by Learning to Search

Yusuf Afifi, Artur Kiulian, Anton Polishko +3

Outcome-based reinforcement learning can train language models to forecast real-world events, but prior forecasting work either freezes research context before training or deploys…

cs.CL2026

Belief Propagation in LLM World Models: Measuring Strategic Information Bias with Prediction Markets

Mykola Khandoga, Yevhen Kostiuk, Anton Polishko +4

Every information ecosystem produces beliefs that shape strategic decisions. Both human analysts and AI systems inherit the blind spots of their information sources. We show that L…

cs.CL2024

Benchmarking Multimodal Models for Ukrainian Language Understanding Across Academic and Cultural Domains

Yurii Paniv, Artur Kiulian, Dmytro Chaplynskyi +4

While the evaluation of multimodal English-centric models is an active area of research with numerous benchmarks, there is a profound lack of benchmarks or evaluation suites for lo…

cs.CL2024

From English-Centric to Effective Bilingual: LLMs with Custom Tokenizers for Underrepresented Languages

Artur Kiulian, Anton Polishko, Mykola Khandoga +10

In this paper, we propose a model-agnostic cost-effective approach to developing bilingual base large language models (LLMs) to support English and any target language. The method…

cs.IR2024★ 5 cited

Minimizing Live Experiments in Recommender Systems: User Simulation to Evaluate Preference Elicitation Policies

Chih-Wei Hsu, Martin Mladenov, Ofer Meshi +8

Evaluation of policies in recommender systems typically involves A/B testing using live experiments on real users to assess a new policy's impact on relevant metrics. This ``gold s…

cs.CL2024

From Bytes to Borsch: Fine-Tuning Gemma and Mistral for the Ukrainian Language Representation

Artur Kiulian, Anton Polishko, Mykola Khandoga +4

In the rapidly advancing field of AI and NLP, generative large language models (LLMs) stand at the forefront of innovation, showcasing unparalleled abilities in text understanding…