Zimbra is open-source server and client software for messaging and collaboration: email, group calendaring, contacts, and web document management and authoring. The Zimbra server is available for Linux, Mac OS X, appliances, and virtualization platforms. The Zimbra Web 2.0 Ajax client runs on Firefox, Safari, and IE, and features easy...

In business, a lot of actions are trigged by rules: "Order more ice cream when the stock is below 100 units and temperature is above 25° C", "Approve credit card application when the credit background check is OK, past relationship with the customer is profitable, and identity is confirmed", and so on. Traditional...

The mind is unique in its interest to people from all walks of life. This interest is not new; throughout written history people have observed, described, and pondered strange behaviors and thoughts within themselves and their neighbors. The questions that people have posed about these experiences seem so simple and basic. Why do we seek to...

In his inimitable and forthright style, Steven Krantz...

Security in Wireless Ad Hoc and Sensor Networks introduces the reader to the fundamentals and key issues related to wireless ad hoc networking, with an emphasis on security. It discusses the security attacks and...