activity
20172021
most citedA Question Answering Approach to Emotion Cause Extraction

13 citations · 22 across the 9 of their papers we have counts for

collaborators

13 papers

cs.CL20211 cited

Boosting Low-Resource Biomedical QA via Entity-Aware Masking Strategies

Gabriele Pergola, Elena Kochkina, Lin Gui +2

Biomedical question-answering (QA) has gained increased attention for its capability to provide users with high-quality information from a vast scientific literature. Although an i…

cs.LG2021

Adversarial Learning of Poisson Factorisation Model for Gauging Brand Sentiment in User Reviews

Runcong Zhao, Lin Gui, Gabriele Pergola +1

In this paper, we propose the Brand-Topic Model (BTM) which aims to detect brand-associated polarity-bearing topics from product reviews. Different from existing models for sentime…

cs.CL2020

CHIME: Cross-passage Hierarchical Memory Network for Generative Review Question Answering

Junru Lu, Gabriele Pergola, Lin Gui +2

We introduce CHIME, a cross-passage hierarchical memory network for question answering (QA) via text generation. It extends XLNet introducing an auxiliary memory module consisting…

cs.CL2020

A Neural Generative Model for Joint Learning Topics and Topic-Specific Word Embeddings

Lixing Zhu, Yulan He, Deyu Zhou

We propose a novel generative model to explore both local and global context for joint learning topics and topic-specific word embeddings. In particular, we assume that global late…

cs.SI2020

Neural Temporal Opinion Modelling for Opinion Prediction on Twitter

Lixing Zhu, Yulan He, Deyu Zhou

Opinion prediction on Twitter is challenging due to the transient nature of tweet content and neighbourhood context. In this paper, we model users' tweet posting behaviour as a tem…

cs.CL20206 cited

Neural Topic Modeling with Bidirectional Adversarial Training

Rui Wang, Xuemeng Hu, Deyu Zhou +4

Recent years have witnessed a surge of interests of using neural topic models for automatic topic extraction from text, since they avoid the complicated mathematical derivations fo…