Search Results for author: Yuanyuan Lei

Found 6 papers, 5 papers with code

Sentence-level Media Bias Analysis with Event Relation Graph

1 code implementation2 Apr 2024 Yuanyuan Lei, Ruihong Huang

Then, we incorporate event relation graph for bias sentences identification in two steps: an event-aware language model is built to inject the events and event relations knowledge into the basic language model via soft labels; further, a relation-aware graph attention network is designed to update sentence embedding with events and event relations information based on hard labels.

Graph Attention Language Modelling +4

EMONA: Event-level Moral Opinions in News Articles

1 code implementation2 Apr 2024 Yuanyuan Lei, Md Messal Monem Miah, Ayesha Qamar, Sai Ramana Reddy, Jonathan Tong, Haotian Xu, Ruihong Huang

This paper initiates a new task to understand moral opinions towards events in news articles.

Polarity Calibration for Opinion Summarization

1 code implementation2 Apr 2024 Yuanyuan Lei, Kaiqiang Song, Sangwoo Cho, Xiaoyang Wang, Ruihong Huang, Dong Yu

To address this issue and make the summarizer express both sides of opinions, we introduce the concept of polarity calibration, which aims to align the polarity of output summary with that of input text.

Opinion Summarization

Identifying Conspiracy Theories News based on Event Relation Graph

1 code implementation28 Oct 2023 Yuanyuan Lei, Ruihong Huang

Conspiracy theories, as a type of misinformation, are narratives that explains an event or situation in an irrational or malicious manner.

Graph Attention Graph Embedding +3

Discourse Structures Guided Fine-grained Propaganda Identification

1 code implementation28 Oct 2023 Yuanyuan Lei, Ruihong Huang

Hence, we propose to incorporate both local and global discourse structures for propaganda discovery and construct two teacher models for identifying PDTB-style discourse relations between nearby sentences and common discourse roles of sentences in a news article respectively.

Attribute Knowledge Distillation +1

Cocktail Edge Caching: Ride Dynamic Trends of Content Popularity with Ensemble Learning

no code implementations14 Jan 2021 Tongyu Zong, Chen Li, Yuanyuan Lei, Guangyu Li, Houwei Cao, Yong liu

In this paper, we propose Cocktail Edge Caching, that tackles the dynamic popularity and heterogeneity through ensemble learning.

Ensemble Learning Time Series +1

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