Hossein A. Rahmani

Overview of the TREC 2021 deep learning track

2025 · arXiv (Cornell University)

This is the fifth year of the TREC Deep Learning track. As in previous years, we leverage the MS MARCO datasets that made hundreds of thousands of human-annotated training labels available for both passage and …

Improving Conversational Recommendation Systems via Bias Analysis and Language-Model-Enhanced Data Augmentation

2023 · arXiv (Cornell University)

Conversational Recommendation System (CRS) is a rapidly growing research area that has gained significant attention alongside advancements in language modelling techniques. However, the current state of conversational recommendation faces numerous challenges due to its relative …

Understanding the Role of User Profile in the Personalization of Large Language Models

2024 · arXiv (Cornell University)

Utilizing user profiles to personalize Large Language Models (LLMs) has been shown to enhance the performance on a wide range of tasks. However, the precise role of user profiles and their effect mechanism on LLMs …