Data Augmentation for Conversational AI. - Heydar Soudani; Roxana Petcu; Evangelos Kanoulas; Faegheh Hasibi (WWW (Companion Volume), 2024)

Self-seeding and Multi-intent Self-instructing LLMs for Generating Intent-aware Information-Seeking dialogs. - Arian Askari; Roxana Petcu; Chuan Meng; Mohammad Aliannejadi; Amin Abolghasemi; Evangelos Kanoulas; Suzan Verberne (CoRR, 2024)

Efficient data selection employing Semantic Similarity-based Graph Structures for model training. - Roxana Petcu; Subhadeep Maji (CoRR, 2024)

A Survey on Recent Advances in Conversational Data Generation. - Heydar Soudani; Roxana Petcu; Evangelos Kanoulas; Faegheh Hasibi (CoRR, 2024)

Leveraging Graph Structures to Detect Hallucinations in Large Language Models. - Noa Nonkes; Sergei Agaronian; Evangelos Kanoulas; Roxana Petcu (CoRR, 2024)

SOLID: Self-seeding and Multi-intent Self-instructing LLMs for Generating Intent-aware Information-Seeking Dialogs. - Arian Askari; Roxana Petcu; Chuan Meng; Mohammad Aliannejadi; Amin Abolghasemi; Evangelos Kanoulas; Suzan Verberne (NAACL (Findings), 2025)

Beyond Reproducibility: Advancing Zero-shot LLM Reranking Efficiency with Setwise Insertion. - Jakub Podolak; Leon Peric; Mina Janicijevic; Roxana Petcu (SIGIR, 2025)

Interpreting Multilingual and Document-Length Sensitive Relevance Computations in Neural Retrieval Models through Axiomatic Causal Interventions. - Oliver Savolainen; Dur e Najaf Amjad; Roxana Petcu (SIGIR, 2025)

A Comprehensive Taxonomy of Negation for NLP and Neural Retrievers. - Roxana Petcu; Samarth Bhargav 001; Maarten de Rijke; Evangelos Kanoulas (CoRR, 2025)