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A Web Tool for Generating High Quality Machine-readable Biological Pathways
Published on: February 8, 2017
Creating mappings for ontologies in biomedicine: simple methods work.
Amir Ghazvinian1, Natalya F Noy, Mark A Musen
1Stanford Center for Biomedical Informatics Research, Stanford University, Stanford, CA, USA.
AMIA ... Annual Symposium Proceedings. AMIA Symposium
|March 31, 2010
Summary
Simple lexical matching often outperforms complex algorithms for creating biomedical ontology mappings, aiding data integration. Advanced methods face availability and scalability issues for large biomedical datasets.
Area of Science:
- Biomedical Informatics
- Data Integration
- Ontology Engineering
Background:
- Data integration in biomedicine relies on ontology mappings.
- Advanced algorithms using graph structure, background knowledge, and machine learning have been developed.
- The performance of these algorithms on large-scale biomedical ontologies is not well-established.
Purpose of the Study:
- To compare the performance of advanced ontology mapping algorithms with a simple lexical matching approach.
- To evaluate the scalability and availability of advanced algorithms for biomedical ontologies.
Main Methods:
- Lexical matching algorithm
- Evaluation of advanced ontology mapping algorithms (graph-based, knowledge-based, machine learning-based)
- Comparison of precision and recall on biomedical ontologies
Main Results:
- Most advanced algorithms are not publicly available or do not scale to current biomedical ontology sizes.
- Simple lexical matching demonstrated superior or comparable precision and recall compared to advanced algorithms for many biomedical ontologies.
- Scalability and accessibility remain significant challenges for advanced ontology mapping techniques.
Conclusions:
- Lexical matching is a viable and often superior alternative for creating mappings between biomedical ontologies.
- The practical utility of advanced algorithms is limited by availability and scalability issues.
- Biomedical researchers can benefit from simpler, readily available methods for ontology alignment.
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