Query containment is a fundamental problem of databases. Given two queries q1 and q2, it asks whether the set of answers to q1 is included in the set of answers to q2 for any datab...
The integration of database and programming languages is made difficult by the different data models and type systems prevalent in each field. Functional-object query languages con...
Semistructured data, in particular XML, has emerged as one of the primary means for information exchange and content management. The power of XML allows authors to structure a doc...