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Conferences
ACTIVE aims to present its achievements at the most prominent conferences for the wide impact of its results and organize ACTIVE specific events, proposed in two different types of initiative:
- “Active IT!”, focused on commercial demonstration and exploitation potential;
- “ACTIVE Knowledge Space Days”, organized as hands-on workshops for Web 2.0 and Semantic application developers interested in our solution.
ACTIVE PUBLICATIONS
Title of the paper |
Entity Resolution in Texts Using Statistical Learning and Ontologies |
Author(s) |
Tadej Štajner, Dunja Mladenić |
Location |
Shanghai, China |
Date |
6 - 9. December 2009 |
Link to Eventpage |
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Abstract |
Ambiguities, which are inherently present in natural languages represent a challenge of determining the actual identities of entities mentioned in a document (e.g., Pariscan refer to a city in France but it can also refer to a small city in Texas, USA or to a 1984 film directed by Wim Wenders having title Paris, Texas). Disambiguation is a problem that can be successfully solved by entity resolution methods. This paper studies various methods for estimating relatedness between entities, used in collective entity resolution. We define a unified entity resolution approach, capable of using implicit as well as explicit relatedness for collectively identifying in-text entities. As a relatedness measure, we propose a method, which expresses relatedness using the heterogeneous relations of a domain ontology. We also experiment with other relatedness measures, such as using statistical learning of co-occurrences of two entities or using content similarity between them. Evaluation on real data shows that the new methods for relatedness estimation give good results. |
Last updated: |
10-02-2010 18:26 |
Created: |
08-02-2010 15:56 |