Evaluating the Significance of Global and Local Features in Expressed Sequence Tag: A Clustering Quality Perspective

Provided by: International Association of Engineers
Topic: Data Management
Format: PDF
Clustering of Expressed Sequence Tag (EST) plays an important role in gene analysis. Alignment-based sequence comparison is commonly used to measure the similarity between sequences, and recently some of the alignment-free comparisons have been introduced. In this paper, the authors evaluate the role of global and local features extracted from the alignment free approaches i.e., compression-based method and generalized relative entropy method, in the quality of EST clustering perspective. Their evaluation shows that the local feature of EST yields much better clustering result compares to the global feature.

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