activity
20242026
collaborators

7 papers

cs.CL2026

NanoKnow: How to Know What Your Language Model Knows

Lingwei Gu, Nour Jedidi, Jimmy Lin

How do large language models (LLMs) know what they know? Answering this question has been difficult because pre-training data is often a "black box" - unknown or inaccessible. The…

cs.IR2026

A Systematic Study of Pseudo-Relevance Feedback with LLMs

Nour Jedidi, Jimmy Lin

Pseudo-relevance feedback (PRF) methods built on large language models (LLMs) can be organized along two key design dimensions: the feedback source, which is where the feedback tex…

cs.IR2025

Revisiting Feedback Models for HyDE

Nour Jedidi, Jimmy Lin

Recent approaches that leverage large language models (LLMs) for pseudo-relevance feedback (PRF) have generally not utilized well-established feedback models like Rocchio and RM3 w…

stat.ML2025

From Reviews to Actionable Insights: An LLM-Based Approach for Attribute and Feature Extraction

Khaled Boughanmi, Kamel Jedidi, Nour Jedidi

This research proposes a systematic, large language model (LLM) approach for extracting product and service attributes, features, and associated sentiments from customer reviews. G…

cs.IR2025

Study on LLMs for Promptagator-Style Dense Retriever Training

Daniel Gwon, Nour Jedidi, Jimmy Lin

Promptagator demonstrated that Large Language Models (LLMs) with few-shot prompts can be used as task-specific query generators for fine-tuning domain-specialized dense retrieval m…

cs.IR2025

Don't "Overthink" Passage Reranking: Is Reasoning Truly Necessary?

Nour Jedidi, Yung-Sung Chuang, James Glass +1

With the growing success of reasoning models across complex natural language tasks, researchers in the Information Retrieval (IR) community have begun exploring how similar reasoni…