Knowledge Graph Simple Question Answering for Unseen Domains. - Georgios Sidiropoulos; Nikos Voskarides; Evangelos Kanoulas (AKBC, 2020)

Combining Lexical and Dense Retrieval for Computationally Efficient Multi-hop Question Answering. - Georgios Sidiropoulos; Nikos Voskarides; Svitlana Vakulenko; Evangelos Kanoulas (SustaiNLP@EMNLP, 2021)

Analysing Dense Passage Retrieval for Multi-hop Question Answering. - Georgios Sidiropoulos; Nikos Voskarides; Svitlana Vakulenko; Evangelos Kanoulas (CoRR, 2021)

On the Impact of Speech Recognition Errors in Passage Retrieval for Spoken Question Answering. - Georgios Sidiropoulos; Svitlana Vakulenko; Evangelos Kanoulas (CIKM, 2022)

Analysing the Robustness of Dual Encoders for Dense Retrieval Against Misspellings. - Georgios Sidiropoulos; Evangelos Kanoulas (SIGIR, 2022)

'It's on the tip of my tongue': A new Dataset for Known-Item Retrieval. - Samarth Bhargav 001; Georgios Sidiropoulos; Evangelos Kanoulas (WSDM, 2022)

Natural Language Processing of Aviation Occurrence Reports for Safety Management. - Patrick Jonk; Vincent de Vries; Rombout Wever; Georgios Sidiropoulos; Evangelos Kanoulas (CoRR, 2023)

Improving the Robustness of Dense Retrievers Against Typos via Multi-Positive Contrastive Learning. - Georgios Sidiropoulos; Evangelos Kanoulas (ECIR (3), 2024)

A Multimodal Dense Retrieval Approach for Speech-Based Open-Domain Question Answering. - Georgios Sidiropoulos; Evangelos Kanoulas (CoRR, 2024)

Multivariate Dense Retrieval: A Reproducibility Study under a Memory-limited Setup. - Georgios Sidiropoulos; Samarth Bhargav 001; Panagiotis Eustratiadis; Evangelos Kanoulas (Trans. Mach. Learn. Res., 2025)