Roxana Petcu

According to our database, Roxana Petcu authored at least 13 papers between 2024 and 2026.

Collaborative distances:

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

2026

A Survey on Recent Advances in Conversational Data Generation.

Heydar Soudani, Roxana Petcu, Evangelos Kanoulas, Faegheh Hasibi

ACM Comput. Surv., July, 2026

SubSearch: Intermediate Rewards for Unsupervised Guided Reasoning in Complex Retrieval.

Roxana Petcu, Evangelos Kanoulas, Maarten de Rijke

CoRR, April, 2026

Workshop on Conversational Search for Complex Information Needs.

Roxana Petcu, Mert Yazan, Mohanna Hoveyda, Jirui Qi, Maarten de Rijke

Proceedings of the Advances in Information Retrieval, 2026

Query Decomposition for RAG: Balancing Exploration-Exploitation.

Roxana Petcu, Kenton Murray, Daniel Khashabi, Evangelos Kanoulas, Maarten de Rijke, Dawn J. Lawrie, Kevin Duh

Proceedings of the 19th Conference of the European Chapter of the Association for Computational Linguistics, 2026

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

Reproducing and Extending Causal Insights Into Term Frequency Computation in Neural Rankers.

Cile van Marken, Roxana Petcu

Proceedings of the 2025 Annual International ACM SIGIR Conference on Research and Development in Information Retrieval in the Asia Pacific Region, 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

A Comprehensive Taxonomy of Negation for NLP and Neural Retrievers.

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

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2025, 2025

2024

Leveraging Graph Structures to Detect Hallucinations in Large Language Models.

Noa Nonkes, Sergei Agaronian, Evangelos Kanoulas, Roxana Petcu

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