Search Results for author: Yichu Zhou

Found 9 papers, 5 papers with code

Putting Words in BERT’s Mouth: Navigating Contextualized Vector Spaces with Pseudowords

1 code implementation EMNLP 2021 Taelin Karidi, Yichu Zhou, Nathan Schneider, Omri Abend, Vivek Srikumar

We present a method for exploring regions around individual points in a contextualized vector space (particularly, BERT space), as a way to investigate how these regions correspond to word senses.

Sentence

Anomaly-Injected Deep Support Vector Data Description for Text Outlier Detection

no code implementations27 Oct 2021 Zeyu You, Yichu Zhou, Tao Yang, Wei Fan

Anomaly detection or outlier detection is a common task in various domains, which has attracted significant research efforts in recent years.

Anomaly Detection Outlier Detection

Putting Words in BERT's Mouth: Navigating Contextualized Vector Spaces with Pseudowords

1 code implementation23 Sep 2021 Taelin Karidi, Yichu Zhou, Nathan Schneider, Omri Abend, Vivek Srikumar

We present a method for exploring regions around individual points in a contextualized vector space (particularly, BERT space), as a way to investigate how these regions correspond to word senses.

Sentence

A Closer Look at How Fine-tuning Changes BERT

1 code implementation ACL 2022 Yichu Zhou, Vivek Srikumar

Given the prevalence of pre-trained contextualized representations in today's NLP, there have been many efforts to understand what information they contain, and why they seem to be universally successful.

DirectProbe: Studying Representations without Classifiers

1 code implementation NAACL 2021 Yichu Zhou, Vivek Srikumar

Understanding how linguistic structures are encoded in contextualized embedding could help explain their impressive performance across NLP@.

A Simple Global Neural Discourse Parser

no code implementations2 Sep 2020 Yichu Zhou, Omri Koshorek, Vivek Srikumar, Jonathan Berant

Discourse parsing is largely dominated by greedy parsers with manually-designed features, while global parsing is rare due to its computational expense.

Discourse Parsing

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