Research Article

Exploiting Semantic Annotations and -Learning for Constructing an Efficient Hierarchy/Graph Texts Organization

Table 8

The results of graph-based approach compared to term-based and concept-based approach using -means and the HAC clustering algorithms.

DatasetsAlgorithmTerm-basedConcept-basedGraph-based
FCFCFC

Reuters-21578HAC73%85.7%90.2%
-means51%84.6%91.8%

20 NewsgroupsHAC53%82%89%
-means48%79.3%87%