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Akbar Karimi

3 accepted papers

2025

Explainable Hallucination through Natural Language Inference Mapping

ACL 2025finding

Large language models (LLMs) often generate hallucinated content, making it crucial to identify and quantify inconsistencies in their outputs. We introduce HaluMap, a post-hoc framework that detects hallucinations by mapping entailment and contradiction relations between source inputs and generated…

2025

Multi-Hop Reasoning for Question Answering with Hyperbolic Representations

ACL 2025finding

Hyperbolic representations are effective in modeling knowledge graph data which is prevalently used to facilitate multi-hop reasoning. However, a rigorous and detailed comparison of the two spaces for this task is lacking. In this paper, through a simple integration of hyperbolic representations wit…

2021

AEDA: An Easier Data Augmentation Technique for Text Classification

EMNLP 2021finding

This paper proposes AEDA (An Easier Data Augmentation) technique to help improve the performance on text classification tasks. AEDA includes only random insertion of punctuation marks into the original text. This is an easier technique to implement for data augmentation than EDA method (Wei and Zou,…