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Appendix B: Database
Management and Security
B.1 Overview
While the chapters of our book have focused on access control and inference for prov-
enance data represented using Semantic Web technologies, our research has under-
pinnings in database management and database security. For example, in this book
we have described query modification techniques for SPARQL queries. Such queries
are posed against Semantic Web data. However, query modification was first devel-
oped for relational databases in the mid-1970s and for multilevel databases in the mid-
1980s. erefore, an understanding of database management technologies including
query processin ...