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Zhijia Chen

3 accepted papers

2025

DynClean: Training Dynamics-based Label Cleaning for Distantly-Supervised Named Entity Recognition

NAACL 2025findings

Distantly Supervised Named Entity Recognition (DS-NER) has attracted attention due to its scalability and ability to automatically generate labeled data. However, distant annotation introduces many mislabeled instances, limiting its performance. Most of the existing work attempt to solve this proble…

2024

SciER: An Entity and Relation Extraction Dataset for Datasets, Methods, and Tasks in Scientific Documents

EMNLP 2024main

Scientific information extraction (SciIE) is critical for converting unstructured knowledge from scholarly articles into structured data (entities and relations). Several datasets have been proposed for training and validating SciIE models. However, due to the high complexity and cost of annotating…

2022

COIN – an Inexpensive and Strong Baseline for Predicting Out of Vocabulary Word Embeddings

COLING 2022main

Social media is the ultimate challenge for many natural language processing tools. The constant emergence of linguistic constructs challenge even the most sophisticated NLP tools. Predicting word embeddings for out of vocabulary words is one of those challenges. Word embedding models only include te…

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