activity
20082023
most citedDetect overlapping and hierarchical community structure in networks

733 citations · 3.1k across the 122 of their papers we have counts for

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25 papers · 1 filter

cs.CL2023

Inducing Causal Structure for Abstractive Text Summarization

Lu Chen, Ruqing Zhang, Wei Huang +3

The mainstream of data-driven abstractive summarization models tends to explore the correlations rather than the causal relationships. Among such correlations, there can be spuriou…

cs.CL2023★ 2 cited

Semantic Structure Enhanced Event Causality Identification

Zhilei Hu, Zixuan Li, Xiaolong Jin +4

Event Causality Identification (ECI) aims to identify causal relations between events in unstructured texts. This is a very challenging task, because causal relations are usually e…

cs.CL2022

Rich Event Modeling for Script Event Prediction

Long Bai, Saiping Guan, Zixuan Li +3

Script is a kind of structured knowledge extracted from texts, which contains a sequence of events. Based on such knowledge, script event prediction aims to predict the subsequent…

cs.CL2022★ 55 cited

CorpusBrain: Pre-train a Generative Retrieval Model for Knowledge-Intensive Language Tasks

Jiangui Chen, Ruqing Zhang, Jiafeng Guo +3

Knowledge-intensive language tasks (KILT) usually require a large body of information to provide correct answers. A popular paradigm to solve this problem is to combine a search sy…

cs.CL2022★ 63 cited

GERE: Generative Evidence Retrieval for Fact Verification

Jiangui Chen, Ruqing Zhang, Jiafeng Guo +2

Fact verification (FV) is a challenging task which aims to verify a claim using multiple evidential sentences from trustworthy corpora, e.g., Wikipedia. Most existing approaches fo…

cs.CL2021

Integrating Deep Event-Level and Script-Level Information for Script Event Prediction

Long Bai, Saiping Guan, Jiafeng Guo +3

Scripts are structured sequences of events together with the participants, which are extracted from the texts.Script event prediction aims to predict the subsequent event given the…