In the classical database world, information access has been based on a paradigm that involves structured, schema-aware, queries and tabular answers. In the current environment, h...
XML Schema has emerged as a promising data model that unites structured and unstructured content. The Oracle database has led the commercial database community in integrating supp...
: Semi-structured data has become more and more attention-getting with the emergence of XML, and it has aroused much enthusiasm for integrating XML and SQL in database community. D...
We examine schema mappings from a type-theoretic perspective and aim to facilitate and formalize the reuse of mappings. Starting with the mapping language of Clio, we present a ty...
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...
Odysseas G. Tsatalos, Marvin H. Solomon, Yannis E....