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Xuejun Zhang

4 accepted papers

2024

Multi-Object Hallucination in Vision Language Models

NeurIPS 2024poster

Large vision language models (LVLMs) often suffer from object hallucination, producing objects not present in the given images. While current benchmarks for object hallucination primarily concentrate on the presence of a single object class rather than individual entities, this work systematically…

2022

Ask Question First for Enhancing Lifelong Language Learning

COLING 2022main

Lifelong language learning aims to stream learning NLP tasks while retaining knowledge of previous tasks. Previous works based on the language model and following data-free constraint approaches have explored formatting all data as “begin token (B) + context (C) + question (Q) + answer (A)” for diff…

2021

Decomposing Complex Questions Makes Multi-Hop QA Easier and More Interpretable

EMNLP 2021finding

Multi-hop QA requires the machine to answer complex questions through finding multiple clues and reasoning, and provide explanatory evidence to demonstrate the machine’s reasoning process. We propose Relation Extractor-Reader and Comparator (RERC), a three-stage framework based on complex question d…