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20212024
most citedEnhancing Complex Question Answering over Knowledge Graphs through Evidence Pattern Retrieval

1 citations · 1 across the 6 of their papers we have counts for

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6 papers

cs.CL2024

Timeline-based Sentence Decomposition with In-Context Learning for Temporal Fact Extraction

Jianhao Chen, Haoyuan Ouyang, Junyang Ren +3

Facts extraction is pivotal for constructing knowledge graphs. Recently, the increasing demand for temporal facts in downstream tasks has led to the emergence of the task of tempor…

cs.CL2024★ 1 cited

Enhancing Complex Question Answering over Knowledge Graphs through Evidence Pattern Retrieval

Wentao Ding, Jinmao Li, Liangchuan Luo +1

Information retrieval (IR) methods for KGQA consist of two stages: subgraph extraction and answer reasoning. We argue current subgraph extraction methods underestimate the importan…

cs.AI2023

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

Jianhao Chen, Junyang Ren, Wentao Ding +3

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.…

cs.AI2023

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

Jianhao Chen, Junyang Ren, Wentao Ding +1

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

cs.CL2022

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

Wentao Ding, Hao Chen, Huayu Li +1

Answering factual questions with temporal intent over knowledge graphs (temporal KGQA) attracts rising attention in recent years. In the generation of temporal queries, existing KG…

cs.CL2021

Automatic Rule Generation for Time Expression Normalization

Wentao Ding, Jianhao Chen, Jinmao Li +1

The understanding of time expressions includes two sub-tasks: recognition and normalization. In recent years, significant progress has been made in the recognition of time expressi…