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cs.CL2026

TruthRL: Incentivizing Truthful LLMs via Reinforcement Learning

Zhepei Wei, Xiao Yang, Kai Sun +12

While large language models (LLMs) have demonstrated strong performance on factoid question answering, they are still prone to hallucination and untruthful responses, particularly…

cs.CL2025

WearVox: An Egocentric Multichannel Voice Assistant Benchmark for Wearables

Zhaojiang Lin, Yong Xu, Kai Sun +17

Wearable devices such as AI glasses are transforming voice assistants into always-available, hands-free collaborators that integrate seamlessly with daily life, but they also intro…

cs.CL2025

AssoMem: Scalable Memory QA with Multi-Signal Associative Retrieval

Kai Zhang, Xinyuan Zhang, Ejaz Ahmed +11

Accurate recall from large scale memories remains a core challenge for memory augmented AI assistants performing question answering (QA), especially in similarity dense scenarios w…

cs.CL2025

Stream RAG: Instant and Accurate Spoken Dialogue Systems with Streaming Tool Usage

Siddhant Arora, Haidar Khan, Kai Sun +14

End-to-end speech-in speech-out dialogue systems are emerging as a powerful alternative to traditional ASR-LLM-TTS pipelines, generating more natural, expressive responses with sig…

cs.CL2025

SCRIBES: Web-Scale Script-Based Semi-Structured Data Extraction with Reinforcement Learning

Shicheng Liu, Kai Sun, Lisheng Fu +8

Semi-structured content in HTML tables, lists, and infoboxes accounts for a substantial share of factual data on the web, yet the formatting complicates usage, and reliably extract…

cs.CL2025

ConfRAG: Confidence-Guided Retrieval-Augmenting Generation

Yin Huang, Yifan Ethan Xu, Kai Sun +12

Can Large Language Models (LLMs) be trained to avoid hallucinating factual statements, and can Retrieval-Augmented Generation (RAG) be triggered only when necessary to reduce retri…