2 papers
cs.IR2026
Decision-aware User Simulation Agent for Evaluating Conversational Recommender Systems
Yuan-Chi Li, Li-Chi Chen, Sung-Yi Wu +2
Conversational recommender systems (CRS) increasingly rely on user simulators for automated evaluation of sales agents. A key requirement for such simulators is the ability to mode…
cs.CL2026
Let LLMs Speak Embedding Languages: Generative Text Embeddings via Iterative Contrastive Refinement
Yu-Che Tsai, Kuan-Yu Chen, Yuan-Chi Li +3
Existing large language model (LLM)-based embeddings typically adopt an encoder-only paradigm, treating LLMs as static feature extractors and overlooking their core generative stre…