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Sahika Genc

4 accepted papers

2025

To Answer or Not to Answer (TAONA): A Robust Textual Graph Understanding and Question Answering Approach

EMNLP 2025

Recently, textual graph-based retrieval-augmented generation (GraphRAG) has gained popularity for addressing hallucinations in large language models when answering domain-specific questions. Most existing studies assume that generated answers should comprehensively integrate all relevant information

Cited by 0SourcePDFScholar
2021

REPAINT: Knowledge Transfer in Deep Reinforcement Learning

ICML 2021spotlight

Accelerating learning processes for complex tasks by leveraging previously learned tasks has been one of the most challenging problems in reinforcement learning, especially when the similarity between source and target tasks is low. This work proposes REPresentation And INstance Transfer (REPAINT) a…

Cited by 32SourcePDFScholar
2020

DeepRacer: Autonomous Racing Platform for Experimentation with Sim2Real Reinforcement Learning

ICRA 2020poster

DeepRacer is a platform for end-to-end experimentation with RL and can be used to systematically investigate the key challenges in developing intelligent control systems. Using the platform, we demonstrate how a 1/18th scale car can learn to drive autonomously using RL with a monocular camera. It is…

Cited by 76SourceScholar
2020

Robust Multi-Agent Reinforcement Learning with Model Uncertainty

NeurIPS 2020poster

In this work, we study the problem of multi-agent reinforcement learning (MARL) with model uncertainty, which is referred to as robust MARL. This is naturally motivated by some multi-agent applications where each agent may not have perfectly accurate knowledge of the model, e.g., all the reward func…

Cited by 111SourcePDFScholar