2 papers
cs.CL2025
Building Open-Retrieval Conversational Question Answering Systems by Generating Synthetic Data and Decontextualizing User Questions
Christos Vlachos, Nikolaos Stylianou, Alexandra Fiotaki +4
We consider open-retrieval conversational question answering (OR-CONVQA), an extension of question answering where system responses need to be (i) aware of dialog history and (ii)…
cs.CL2024
Comparing Data Augmentation Methods for End-to-End Task-Oriented Dialog Systems
Christos Vlachos, Themos Stafylakis, Ion Androutsopoulos
Creating effective and reliable task-oriented dialog systems (ToDSs) is challenging, not only because of the complex structure of these systems, but also due to the scarcity of tra…