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Lejian Liao

3 accepted papers

2023

MNER-QG: An End-to-End MRC Framework for Multimodal Named Entity Recognition with Query Grounding

AAAI 2023technical

Multimodal named entity recognition (MNER) is a critical step in information extraction, which aims to detect entity spans and classify them to corresponding entity types given a sentence-image pair. Existing methods either (1) obtain named entities with coarse-grained visual clues from attention me…

Cited by 53SourcePDFScholar
2021

Modularized Interaction Network for Named Entity Recognition

ACL 2021long

Although the existing Named Entity Recognition (NER) models have achieved promising performance, they suffer from certain drawbacks. The sequence labeling-based NER models do not perform well in recognizing long entities as they focus only on word-level information, while the segment-based NER model…

Cited by 40SourcePDFScholar
2021

To be Closer: Learning to Link up Aspects with Opinions

EMNLP 2021main

Dependency parse trees are helpful for discovering the opinion words in aspect-based sentiment analysis (ABSA) (CITATION). However, the trees obtained from off-the-shelf dependency parsers are static, and could be sub-optimal in ABSA. This is because the syntactic trees are not designed for capturin…