activity
20192026
most citedChroniclingAmericaQA: A Large-scale Question Answering Dataset based on Historical American Newspaper Pages

7 citations · 31 across the 21 of their papers we have counts for

collaborators
Showing 2025Show all

10 papers · 1 filter

cs.CL2025

DeAR: Dual-Stage Document Reranking with Reasoning Agents via LLM Distillation

Abdelrahman Abdallah, Jamshid Mozafari, Bhawna Piryani +1

Large Language Models (LLMs) have transformed listwise document reranking by enabling global reasoning over candidate sets, yet single models often struggle to balance fine-grained…

cs.CL2025

How Good are LLM-based Rerankers? An Empirical Analysis of State-of-the-Art Reranking Models

Abdelrahman Abdallah, Bhawna Piryani, Jamshid Mozafari +2

In this work, we present a systematic and comprehensive empirical evaluation of state-of-the-art reranking methods, encompassing large language model (LLM)-based, lightweight conte…

cs.IR2025

RankArena: A Unified Platform for Evaluating Retrieval, Reranking and RAG with Human and LLM Feedback

Abdelrahman Abdallah, Mahmoud Abdalla, Bhawna Piryani +3

Evaluating the quality of retrieval-augmented generation (RAG) and document reranking systems remains challenging due to the lack of scalable, user-centric, and multi-perspective e…

cs.CL2025

It's High Time: A Survey of Temporal Question Answering

Bhawna Piryani, Abdelrahman Abdallah, Jamshid Mozafari +2

Time plays a critical role in how information is generated, retrieved, and interpreted. In this survey, we provide a comprehensive overview of Temporal Question Answering (TQA), a…

cs.CL2025

From Retrieval to Generation: Comparing Different Approaches

Abdelrahman Abdallah, Jamshid Mozafari, Bhawna Piryani +2

Knowledge-intensive tasks, particularly open-domain question answering (ODQA), document reranking, and retrieval-augmented language modeling, require a balance between retrieval ac…

cs.IR2025

Rankify: A Comprehensive Python Toolkit for Retrieval, Re-Ranking, and Retrieval-Augmented Generation

Abdelrahman Abdallah, Bhawna Piryani, Jamshid Mozafari +2

Retrieval, re-ranking, and retrieval-augmented generation (RAG) are critical components of modern applications in information retrieval, question answering, or knowledge-based text…

cs.CL2025★ 1 cited

Evaluating Robustness of LLMs in Question Answering on Multilingual Noisy OCR Data

Bhawna Piryani, Jamshid Mozafari, Abdelrahman Abdallah +2

Optical Character Recognition (OCR) plays a crucial role in digitizing historical and multilingual documents, yet OCR errors - imperfect extraction of text, including character ins…

cs.CL2025★ 1 cited

Wrong Answers Can Also Be Useful: PlausibleQA -- A Large-Scale QA Dataset with Answer Plausibility Scores

Jamshid Mozafari, Abdelrahman Abdallah, Bhawna Piryani +1

Large Language Models (LLMs) are revolutionizing information retrieval, with chatbots becoming an important source for answering user queries. As by their design, LLMs prioritize g…

cs.CL2025★ 3 cited

HintEval: An Open-Source Python Toolkit for Hint Generation and Hint Evaluation

Jamshid Mozafari, Bhawna Piryani, Abdelrahman Abdallah +1

Large Language Models (LLMs) increasingly provide direct answers to user questions, raising concerns about reduced engagement in critical thinking and problem-solving. Hint generat…

cs.CL2025

ASRank: Zero-Shot Re-Ranking with Answer Scent for Document Retrieval

Abdelrahman Abdallah, Jamshid Mozafari, Bhawna Piryani +1

Retrieval-Augmented Generation (RAG) models have drawn considerable attention in modern open-domain question answering. The effectiveness of RAG depends on the quality of the top r…