The rapid growth of emerging applications and the evolution of cloud computing
technologies have significantly enhanced the capability to generate vast amounts of data …

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

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 …

The advances in computer and wireless communication technologies have led to an
increasing interest in ad hoc networks which are temporarily constructed by only mobile …

Wireless sensor networks (WSNs) which is proposed in the late 1990s have received
unprecedented attention, because of their exciting potential applications in military …

Earth date, August 11, 1997" Beam me up Scottie!"" We cannot do it! This is not Star Trek's
Enterprise. This is early years Earth." True, this is not yet the era of Star Trek, we cannot …

In ad hoc networks, due to frequent network partition, data accessibility is lower than that in
conventional fixed networks. In this paper, we solve this problem by replicating data items on …

To deal with the frequent, foreseeable and variable disconnections that occur in a mobile
environment, we introduce a flexible, two-level consistency model. Semantically related or …

This paper studies the problem of updates in decentralised and self-organising P2P systems
in which peers have low online probabilities and only local knowledge. The update strategy …

In this paper, we present Bit-Sequences (BS), an adaptive cache invalidation algorithm for
client/server mobile environments. The algorithm uses adaptable mechanisms to adjust the …