Learn semantic tagging techniques for Java developers

Overview:
Java developers who wish to participate in building the Semantic Web need to be familiar with official standards such as Resource Description Framework (RDF) in order to tag documents appropriately and enable RDF Site Summary (RSS) feeds. However, RSS enabling is only the first step in moving toward a Semantic Web. In this chapter download from Wicked Cool™ Java: Code Bits, Open-Source Libraries, and Project Ideas, examine techniques for extracting and processing data in the World Wide Web and the Semantic Web. Get started with RDF and explore some APIs that help in producing or consuming content.

here is the pdf