1. OBJECTIVE Them has been cxtensivc work in query optimization since the enrly '70s. It is
hard to capture the breadth and depth of this large body of work in a short article. Therefore, I …

Data warehousing is a booming industry with many interesting research problems. The
database research community has concentrated on only a few aspects. In this paper, We …

Data Mining: Concepts and Techniques, Fourth Edition introduces concepts, principles, and
methods for mining patterns, knowledge, and models from various kinds of data for diverse …

Data integration is the problem of combining data residing at different sources, and
providing the user with a unified view of these data. The problem of designing data …

Database Management Systems provides comprehensive and up-to-date coverage of the
fundamentals of database systems. Coherent explanations and practical examples have …

We explore a novel paradigm for data management in which a third party service provider
hosts" database as a service", providing its customers with seamless mechanisms to create …

Data warehouses have captured the attention of practitioners and researchers alike. But the
design and optimization of data warehouses remains an art rather than a science. This book …

What is a view? A view is a derived relation defined in terms of base (stored) relations. A
view thus defines a function from a set of base tables to a derived table; this function is …

We witness a rapid increase in the number of structured information sources that are
available online, especially on the WWW. These sources include commercial databases on …

We consider the problem of computing answers to queries by using materialized views.
Aside from its potential in optimizing query evaluation, the problem also arises in …