collaborators

5 papers

cs.LG2026

Opir: Efficient Multi-Task Safety Classification for Toxicity, Jailbreaks, Hate Speech, and Harmful Content

Ihor Stepanov, Aleksandr Smechov

Real-time safety filtering for large language model (LLM) applications requires classifiers that can detect unsafe prompts, toxic language, jailbreak attempts, and unsafe responses…

cs.CL2026

GLiNER-Relex: A Unified Framework for Joint Named Entity Recognition and Relation Extraction

Ihor Stepanov, Oleksandr Lukashov, Mykhailo Shtopko +1

Joint named entity recognition (NER) and relation extraction (RE) is a fundamental task in natural language processing for constructing knowledge graphs from unstructured text. Whi…

cs.CL2026

The Million-Label NER: Breaking Scale Barriers with GLiNER bi-encoder

Ihor Stepanov, Mykhailo Shtopko, Dmytro Vodianytskyi +1

This paper introduces GLiNER-bi-Encoder, a novel architecture for Named Entity Recognition (NER) that harmonizes zero-shot flexibility with industrial-scale efficiency. While the o…

cs.LG2025

GLiClass: Generalist Lightweight Model for Sequence Classification Tasks

Ihor Stepanov, Mykhailo Shtopko, Dmytro Vodianytskyi +3

Classification is one of the most widespread tasks in AI applications, serving often as the first step in filtering, sorting, and categorizing data. Since modern AI systems must ha…

cs.CL2025

GLiNER-BioMed: A Suite of Efficient Models for Open Biomedical Named Entity Recognition

Anthony Yazdani, Ihor Stepanov, Douglas Teodoro

Biomedical named entity recognition (NER) presents unique challenges due to specialized vocabularies, the sheer volume of entities, and the continuous emergence of novel entities.…