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Mengwen Liu

3 accepted papers

2024

REFINESUMM: Self-Refining MLLM for Generating a Multimodal Summarization Dataset

ACL 2024long

Multimodal Large Language Models (MLLMs) excel at synthesizing key information from diverse sources. However, generating accurate and faithful multimodal summaries is challenging, primarily due to the lack of appropriate multimodal datasets for fine-tuning that meaningfully integrate textual and vis…

2022

FactGraph: Evaluating Factuality in Summarization with Semantic Graph Representations

NAACL 2022long

Despite recent improvements in abstractive summarization, most current approaches generate summaries that are not factually consistent with the source document, severely restricting their trust and usage in real-world applications. Recent works have shown promising improvements in factuality error i…

2021

Efficiently Summarizing Text and Graph Encodings of Multi-Document Clusters

NAACL 2021long

This paper presents an efficient graph-enhanced approach to multi-document summarization (MDS) with an encoder-decoder Transformer model. This model is based on recent advances in pre-training both encoder and decoder on very large text data (Lewis et al., 2019), and it incorporates an efficient enc…