activity
20242026
most citedArabicaQA: A Comprehensive Dataset for Arabic Question Answering

1 citations · 1 across the 9 of their papers we have counts for

collaborators

10 papers

cs.IR2026

OBLIQ-IR: Training a Dense Retriever for Oblique Queries

Mahmoud Abdalla, Abdelrahman Abdallah, Shaimaa Sedek +1

Oblique retrieval, as exemplified by OBLIQ-Bench, asks a retriever to find documents whose relevance is determined by a latent attribute (an implicit stance, an analogous reasoning…

cs.CL2026

Large Language Models Systematically Favor Popular Options: Evidence and Mitigation Across MCQs

Abdelrahman Abdallah, Mohammed Ali, Bhawna Piryani +2

Multiple-choice questions (MCQs) are a standard format for evaluating large language models (LLMs), yet the popularity of answer options can confound evaluation. Modern LLMs system…

cs.IR2026

Argus-Retriever: Vision-LLM Late-Interaction Retrieval with Region-Aware Query-Conditioned MoE for Visual Document Retrieval

Abdelrahman Abdallah, Mahmoud Abdalla, Mohammed Ali +1

Late-interaction vision-language retrievers represent each document page as many visual token embeddings and score queries with MaxSim. In systems such as ColPali, ColQwen, ColNomi…

cs.IR2026

HIVE: Query, Hypothesize, Verify An LLM Framework for Multimodal Reasoning-Intensive Retrieval

Mahmoud Abdalla, Mahmoud SalahEldin Kasem, Mohamed Mahmoud +3

Multimodal retrieval models fail on reasoning-intensive queries where images (diagrams, charts, screenshots) must be deeply integrated with text to identify relevant documents -- t…

cs.IR2026

BRIDGE: Multimodal-to-Text Retrieval via Reinforcement-Learned Query Alignment

Mohamed Darwish Mounis, Mohamed Mahmoud, Shaimaa Sedek +4

Multimodal retrieval systems struggle to resolve image-text queries against text-only corpora: the best vision-language encoder achieves only 27.6 nDCG@10 on MM-BRIGHT, underperfor…

cs.IR2026

MARVEL: Multimodal Adaptive Reasoning-intensiVe Expand-rerank and retrievaL

Mahmoud SalahEldin Kasem, Mohamed Mahmoud, Mostafa Farouk Senussi +3

Multimodal retrieval over text corpora remains a fundamental challenge: the best vision-language encoder achieves only 27.6 nDCG@10 on MM-BRIGHT, a reasoning-intensive multimodal r…

cs.IR2026

MM-BRIGHT: A Multi-Task Multimodal Benchmark for Reasoning-Intensive Retrieval

Abdelrahman Abdallah, Mohamed Darwish Mounis, Mahmoud Abdalla +6

Existing retrieval benchmarks primarily consist of text-based queries where keyword or semantic matching is usually sufficient. Many real-world queries contain multimodal elements,…

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.CV2024

ReceiptSense: Beyond Traditional OCR -- A Dataset for Receipt Understanding

Abdelrahman Abdallah, Mohamed Mounis, Mahmoud Abdalla +6

Multilingual OCR and information extraction from receipts remains challenging, particularly for complex scripts like Arabic. We introduce \dataset, a comprehensive dataset designed…

cs.CL2024★ 1 cited

ArabicaQA: A Comprehensive Dataset for Arabic Question Answering

Abdelrahman Abdallah, Mahmoud Kasem, Mahmoud Abdalla +4

In this paper, we address the significant gap in Arabic natural language processing (NLP) resources by introducing ArabicaQA, the first large-scale dataset for machine reading comp…