activity
20192025
most citedReinforcement Learning from Reformulations in Conversational Question Answering over Knowledge Graphs

45 citations · 48 across the 6 of their papers we have counts for

collaborators

6 papers

cs.CL2025★ 1 cited

Preference-based Learning with Retrieval Augmented Generation for Conversational Question Answering

Magdalena Kaiser, Gerhard Weikum

Conversational Question Answering (ConvQA) involves multiple subtasks, i) to understand incomplete questions in their context, ii) to retrieve relevant information, and iii) to gen…

cs.CL2024

Learning from Relevant Subgoals in Successful Dialogs using Iterative Training for Task-oriented Dialog Systems

Magdalena Kaiser, Patrick Ernst, György Szarvas

Task-oriented Dialog (ToD) systems have to solve multiple subgoals to accomplish user goals, whereas feedback is often obtained only at the end of the dialog. In this work, we prop…

cs.CL2023

Robust Training for Conversational Question Answering Models with Reinforced Reformulation Generation

Magdalena Kaiser, Rishiraj Saha Roy, Gerhard Weikum

Models for conversational question answering (ConvQA) over knowledge graphs (KGs) are usually trained and tested on benchmarks of gold QA pairs. This implies that training is limit…

cs.IR2021★ 45 cited

Reinforcement Learning from Reformulations in Conversational Question Answering over Knowledge Graphs

Magdalena Kaiser, Rishiraj Saha Roy, Gerhard Weikum

The rise of personal assistants has made conversational question answering (ConvQA) a very popular mechanism for user-system interaction. State-of-the-art methods for ConvQA over k…

cs.IR2020★ 1 cited

Conversational Question Answering over Passages by Leveraging Word Proximity Networks

Magdalena Kaiser, Rishiraj Saha Roy, Gerhard Weikum

Question answering (QA) over text passages is a problem of long-standing interest in information retrieval. Recently, the conversational setting has attracted attention, where a us…

cs.IR2019★ 1 cited

CROWN: Conversational Passage Ranking by Reasoning over Word Networks

Magdalena Kaiser, Rishiraj Saha Roy, Gerhard Weikum

Information needs around a topic cannot be satisfied in a single turn; users typically ask follow-up questions referring to the same theme and a system must be capable of understan…