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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 53Source ↗PDF ↗Scholar ↗
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 32Source ↗PDF ↗Scholar ↗
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…