Roxana Petcu

According to our database, Roxana Petcu authored at least 9 papers between 2024 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

A Comprehensive Taxonomy of Negation for NLP and Neural Retrievers.

Roxana Petcu, Samarth Bhargav, Maarten de Rijke, Evangelos Kanoulas

CoRR, July, 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

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2025

Beyond Reproducibility: Advancing Zero-shot LLM Reranking Efficiency with Setwise Insertion.

Jakub Podolak, Leon Peric, Mina Janicijevic, Roxana Petcu

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2025

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

Proceedings of the Findings of the Association for Computational Linguistics: NAACL 2025, Albuquerque, New Mexico, USA, April 29, 2025

2024

Leveraging Graph Structures to Detect Hallucinations in Large Language Models.

Noa Nonkes, Sergei Agaronian, Evangelos Kanoulas, Roxana Petcu

CoRR, 2024

A Survey on Recent Advances in Conversational Data Generation.

Heydar Soudani, Roxana Petcu, Evangelos Kanoulas, Faegheh Hasibi

CoRR, 2024

Efficient data selection employing Semantic Similarity-based Graph Structures for model training.

Roxana Petcu, Subhadeep Maji

CoRR, 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

Data Augmentation for Conversational AI.

Heydar Soudani, Roxana Petcu, Evangelos Kanoulas, Faegheh Hasibi

Proceedings of the Companion Proceedings of the ACM on Web Conference 2024, 2024