Papers with information extraction techniques
Faceted Hierarchy: A New Graph Type to Organize Scientific Concepts and a Construction Method (D19-53)
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| Challenge: | faceted concept hierarchy is a structure of parent-child relationships . concepts are expected to be organized in a hierarchical structure for student learning . |
| Approach: | They propose a faceted concept hierarchy that aims to build facets from scientific literature. |
| Outcome: | The proposed hierarchy is more complete than "type-of" relations, and resolves conflicts by maintaining the acyclic structure of a hierarchy. |
A High Precision Pipeline for Financial Knowledge Graph Construction (2020.coling-main)
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Sarah Elhammadi, Laks V.S. Lakshmanan, Raymond Ng, Michael Simpson, Baoxing Huai, Zhefeng Wang, Lanjun Wang
| Challenge: | Knowledge graphs are a standard for structured knowledge representation in the Semantic Web. |
| Approach: | They propose to extract financial news articles into a knowledge graph by using a financial dictionary. |
| Outcome: | The proposed pipeline extracts 342,000 financial news articles with a precision of 78% at the top-100 extractions. |