document: Choosing the best knowledge base system for large semantic web applications We present an evaluation of four knowledge base systems with respect to use in large Semantic Web applications . We discuss the performance of each system . In particular , we show that existing systems need to place a greater emphasis on scalability .
doc_bio_tags: O O O B I I O O B I O O O O B O O O O O O O O O O O B I O O O O O O O O O O O O O O O O O O O O O O O O O O O