activity
20192023
most citedExploiting BERT for End-to-End Aspect-based Sentiment Analysis

47 citations · 187 across the 33 of their papers we have counts for

collaborators
Showing 2022Show all

14 papers · 1 filter

cs.CL2022

Advancing Multilingual Pre-training: TRIP Triangular Document-level Pre-training for Multilingual Language Models

Hongyuan Lu, Haoyang Huang, Shuming Ma +3

Despite the success of multilingual sequence-to-sequence pre-training, most existing approaches rely on document-level monolingual corpora in many different languages, sentence-lev…

cs.CL2022★ 4 cited

From Cloze to Comprehension: Retrofitting Pre-trained Masked Language Model to Pre-trained Machine Reader

Weiwen Xu, Xin Li, Wenxuan Zhang +4

We present Pre-trained Machine Reader (PMR), a novel method for retrofitting pre-trained masked language models (MLMs) to pre-trained machine reading comprehension (MRC) models wit…

cs.CL2022★ 1 cited

McQueen: a Benchmark for Multimodal Conversational Query Rewrite

Yifei Yuan, Chen Shi, Runze Wang +4

The task of query rewrite aims to convert an in-context query to its fully-specified version where ellipsis and coreference are completed and referred-back according to the history…

cs.CL2022

Towards Generalizable and Robust Text-to-SQL Parsing

Chang Gao, Bowen Li, Wenxuan Zhang +5

Text-to-SQL parsing tackles the problem of mapping natural language questions to executable SQL queries. In practice, text-to-SQL parsers often encounter various challenging scenar…

cs.CL2022

Retrofitting Multilingual Sentence Embeddings with Abstract Meaning Representation

Deng Cai, Xin Li, Jackie Chun-Sing Ho +2

We introduce a new method to improve existing multilingual sentence embeddings with Abstract Meaning Representation (AMR). Compared with the original textual input, AMR is a struct…

cs.CL2022

ConReader: Exploring Implicit Relations in Contracts for Contract Clause Extraction

Weiwen Xu, Yang Deng, Wenqiang Lei +3

We study automatic Contract Clause Extraction (CCE) by modeling implicit relations in legal contracts. Existing CCE methods mostly treat contracts as plain text, creating a substan…

cs.CL2022★ 1 cited

PeerDA: Data Augmentation via Modeling Peer Relation for Span Identification Tasks

Weiwen Xu, Xin Li, Yang Deng +2

Span identification aims at identifying specific text spans from text input and classifying them into pre-defined categories. Different from previous works that merely leverage the…

cs.CL2022★ 4 cited

PACIFIC: Towards Proactive Conversational Question Answering over Tabular and Textual Data in Finance

Yang Deng, Wenqiang Lei, Wenxuan Zhang +2

To facilitate conversational question answering (CQA) over hybrid contexts in finance, we present a new dataset, named PACIFIC. Compared with existing CQA datasets, PACIFIC exhibit…

cs.CL2022

Informative Text Generation from Knowledge Triples

Zihao Fu, Yijiang River Dong, Lidong Bing +1

As the development of the encoder-decoder architecture, researchers are able to study the text generation tasks with broader types of data. Among them, KB-to-text aims at convertin…

cs.CL2022

PCC: Paraphrasing with Bottom-k Sampling and Cyclic Learning for Curriculum Data Augmentation

Hongyuan Lu, Wai Lam

Curriculum Data Augmentation (CDA) improves neural models by presenting synthetic data with increasing difficulties from easy to hard. However, traditional CDA simply treats the ra…

cs.CL2022

UniGDD: A Unified Generative Framework for Goal-Oriented Document-Grounded Dialogue

Chang Gao, Wenxuan Zhang, Wai Lam

The goal-oriented document-grounded dialogue aims at responding to the user query based on the dialogue context and supporting document. Existing studies tackle this problem by dec…

cs.IR2022★ 9 cited

A Unified Multi-task Learning Framework for Multi-goal Conversational Recommender Systems

Yang Deng, Wenxuan Zhang, Weiwen Xu +3

Recent years witnessed several advances in developing multi-goal conversational recommender systems (MG-CRS) that can proactively attract users' interests and naturally lead user-e…

cs.CL2022★ 38 cited

A Survey on Aspect-Based Sentiment Analysis: Tasks, Methods, and Challenges

Wenxuan Zhang, Xin Li, Yang Deng +2

As an important fine-grained sentiment analysis problem, aspect-based sentiment analysis (ABSA), aiming to analyze and understand people's opinions at the aspect level, has been at…

cs.CL2022

User Satisfaction Estimation with Sequential Dialogue Act Modeling in Goal-oriented Conversational Systems

Yang Deng, Wenxuan Zhang, Wai Lam +2

User Satisfaction Estimation (USE) is an important yet challenging task in goal-oriented conversational systems. Whether the user is satisfied with the system largely depends on th…