Search Results for author: Wentao Ding

Found 7 papers, 3 papers with code

Enhancing Complex Question Answering over Knowledge Graphs through Evidence Pattern Retrieval

1 code implementation3 Feb 2024 Wentao Ding, Jinmao Li, Liangchuan Luo, Yuzhong Qu

We propose Evidence Pattern Retrieval (EPR) to explicitly model the structural dependencies during subgraph extraction.

Information Retrieval Knowledge Graphs +2

Conflict Detection for Temporal Knowledge Graphs:A Fast Constraint Mining Algorithm and New Benchmarks

no code implementations18 Dec 2023 Jianhao Chen, Junyang Ren, Wentao Ding, Haoyuan Ouyang, Wei Hu, Yuzhong Qu

Temporal facts, which are used to describe events that occur during specific time periods, have become a topic of increased interest in the field of knowledge graph (KG) research.

Management

PaTeCon: A Pattern-Based Temporal Constraint Mining Method for Conflict Detection on Knowledge Graphs

1 code implementation18 Apr 2023 Jianhao Chen, Junyang Ren, Wentao Ding, Yuzhong Qu

Temporal facts, the facts for characterizing events that hold in specific time periods, are attracting rising attention in the knowledge graph (KG) research communities.

Knowledge Graphs Management

Semantic Framework based Query Generation for Temporal Question Answering over Knowledge Graphs

no code implementations10 Oct 2022 Wentao Ding, Hao Chen, Huayu Li, Yuzhong Qu

Answering factual questions with temporal intent over knowledge graphs (temporal KGQA) attracts rising attention in recent years.

Knowledge Graphs Question Answering

Automatic Rule Generation for Time Expression Normalization

1 code implementation Findings (EMNLP) 2021 Wentao Ding, Jianhao Chen, Jinmao Li, Yuzhong Qu

The understanding of time expressions includes two sub-tasks: recognition and normalization.

Spatio-Temporal Neural Network for Fitting and Forecasting COVID-19

no code implementations22 Mar 2021 Yi-Shuai Niu, Wentao Ding, Junpeng Hu, Wenxu Xu, Stephane Canu

We established a Spatio-Temporal Neural Network, namely STNN, to forecast the spread of the coronavirus COVID-19 outbreak worldwide in 2020.

A Difference-of-Convex Programming Approach With Parallel Branch-and-Bound For Sentence Compression Via A Hybrid Extractive Model

no code implementations2 Feb 2020 Yi-Shuai Niu, Yu You, Wenxu Xu, Wentao Ding, Junpeng Hu, Songquan Yao

In this paper, we design a hybrid extractive sentence compression model combining a probability language model and a parse tree language model for compressing sentences by guaranteeing the syntax correctness of the compression results.

Language Modelling Sentence +1

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