The OWL API is a Java API and reference implmentation for creating, manipulating and serialising OWL Ontologies. The latest version of the API is focused towards OWL 2
Jena is a Java framework for building Semantic Web applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-based inference engine.
TunedIT is a data & algorithm repository, with benchmark results, experiments and online competitions. Datasets in arff, csv, weka formats. Neural networks, svm, decision trees and other algorithms
G. Pirrò, и J. Euzenat. Proceedings of the 9th International Semantic Web Conference (ISWC2010), том 6496 из Lecture Notes in Computer Science, стр. 615-630. Springer, (2010)