PHP has changed the world: no other language has influenced and spurred web development so strongly. From simple home pages to social software and business applications to the largest global websites, PHP has played a leading role for years. Simultaneously, Microsoft and its Windows operating system has made computers available to all...

There still exists considerable uncertainty in many countries about the contribution of drinking water to sporadic cases of disease. The Organization for Economic Cooperation and Development (OECD), in cooperation with the World Health Organization (WHO), led the Workshop on Molecular Technologies for Safe Drinking Water in 1998 to address...

With the increasing focus on IT Security comes a higher demand for identity management in the modern business. This requires a flexible, scalable, and secure authentication method. Identity control is made mandatory by many public standards, such as PCI, and PKI is an essential component to set up authentication in many technologies,...

The important role that discrete structures plays in computer science is gaining recognition. Computing Curricula 2001 (CC2001), the latest curriculum recommendation for computer- related education, was a joint undertaking of the Institute for Electrical and Electronic Engineers/Computer Society (IEEE/CS) and the Association for...

This book is meant as a handbook and resource guide for chemists (and other scientists) who either find themselves working alongside chemical engineers or who are undertaking chemical engineering-type projects and who wish to communicate with their colleagues and understand chemical engineering principles. The book has arisen out of...

"Modeling" has become one of the primary concerns in modern Software Engineering. The reason is simple: starting development processes from clear and succinct models has proven to foster not only quality but also productivity. With the advance of modeling there also came a desire for automatic code generation from models....

This petroleum and natural gas engineering two-volume handbook is written in the spirit of the classic handbooks of other engineering disciplines. The two volumes reflect the importance of the industry its engineers serve (i.e., Standard and Poor's shows that the fuels sector is the largest single entity in the gross domestic...

The present volume is dedicated to aspects of algorithmic work in bioinformat ics and computational biology with an emphasis on string algorithms that play a central role in the analysis of biological sequences. The papers included are a selection of articles corresponding to talks given at one of two meetings spon sored by The Royal...

Managing knowledge networks (KN) within organizations has taken on enhanced importance in recent years because of the decline of middle management and other changes in formal organizational structures, the growth of information technologies, and our increasingly competitive global economy. KN can be manifested in a variety of forms: project...

Analysis of semantic relations and predicate-argument structure is one of the core pieces of any system for natural language understanding. This field has a long history, but has also undergone significant change in recent years. The advent of systematically defined resources for semantic structures has enabled the creation of large corpora...

Aristotle, one of mankind’s greatest thinkers, rooted his basis of human understanding in the notion that universal phenomena can be explained through perception and rationalization. As such, Aristotle conjectured that a 10-pound object should fall through the air 10 times faster than a similar 1-pound object. This, and other intuitive...

Healthcare, a vital industry that touches most of us in our lives, faces major challenges in demographics, technology, and finance. Longer life expectancy and an aging population, technological advancements that keep people younger and healthier, and financial issues are a constant strain on healthcare organizations resources and management....