collaborators

5 papers

cs.CV2026

ChitraMiti: Benchmarking Visual Grounding and Modality Reliance in Bengali Geometric Reasoning

Khan Raiyan Ibne Reza, Sanjana Aktar Maria, Sumaiya Tabassum Nimi +1

Evaluation of vision-language models (VLMs) for multimodal mathematical reasoning remains limited for low-resource languages and for geometry problems that require reading a diagra…

cs.CL2026

KhatianDoc: A Human-Verified Benchmark Diagnosing Multimodal LLM Failure on Bengali Legal Land Records

Tasmiad Hasan, Arafat Zaman Ratul, Sarker Sadman Saalim +3

Land ownership in Bangladesh is recorded in Ana-Ganda-Kora-Kranti-Til, a base-16 positional fraction system with dedicated Unicode glyphs, no mainstream font, and no coverage in an…

cs.CL2026

TRACE-BN: Transferring Bangla-English Tutoring Behavior to a Sub-1B Offline Language Model

Khan Raiyan Ibne Reza, Sanjana Aktar Maria, Mohammad Tushar Abdullah +2

Bangla-English tutoring requires more than producing a correct translation: learners also need explanations of grammar differences, awareness of their likely errors, and targeted p…

cs.CL2026

Where Does Retrieval Fail? Evaluating RAG Architectures for Agricultural Advisory

Khan Raiyan Ibne Reza, Sanjana Aktar Maria, Sumaiya Tabassum Nimi

Retrieval quality in RAG systems is commonly reported as a single aggregate score, which can hide large differences across query types and language conditions. We study this proble…

cs.LG2026

KrishokChat: A Provenance-Traceable Multi-Task Bengali Agricultural Benchmark with Safety-Critical Chemical Advisory

Khan Raiyan Ibne Reza, Sumaiya Tabassum Nimi, Omar Ibne Shahid

We introduce KrishokChat, an 85,979-instance Bengali agricultural benchmark built from 284 government publications, 13 institutions, and six regional dialects. The benchmark compri…