The objective of this thesis is to estimate, for adistribution network, confidence intervals containing thevalues of nodal hourly power consumption and nodal maximumpower consumption per customer where they are not measured.The values of nodal hourly power consumption are needed inoperational as...

Understanding the relationship between technology and economics is fundamental to making judicious policy and design decisions. Many technologies that are successful in meeting their technical goals often fail to get adopted due to economic factors. This holds true even for networked systems,...

The Internet has become the standard infrastructure for all kinds of communications. At the same time, the emergence of cloud computing and web services has significantly strengthened requirements for the Internet to display greater robustness to disruptions and higher flexibility to support...

The EU Barcelona target assumes a close causal relationship between corporate R&D, the competitiveness of business firms and the economic performance of industrial countries. Testing this hypothesis, this paper contrasts innovation and production activities in four research-intensive...

This dissertation studies several security issues in data networks, to reveal the vulnerability, to propose defense mechanisms, to provide better tools for analysis, and to develop good security architecture. This dissertation consists of the following three parts: (1) Internet-like topologies...

The success of the Internet has brought out extraordinary benefits to our society. Current Internet infrastructure has become much more complicated than that in the early 90's when it was first deployed for commercial use. Due to limitations in the initial design of the Internet, security issues...

In recent years, fast spreading worms have become one of the major threats to the security of the Internet. Code Red, Nimda, Slammer, Blaster, MyDoom... these worms kept hitting the Internet and caused severe damage to our society. However, until now we have not fully understand the behaviors of...

In this dissertation, I develop a new theoretical framework for the modeling, pricing analysis, and computation of solutions to electric power supply chains with power generators, suppliers, transmission service providers, and the inclusion of consumer demands. In particular, I advocate the...

This paper proposes a new approach of generation expansion planning and its risk assessment under the competitive market environment. Different from the traditional probabilistic production costing (PPC) method under monopoly environment which is based on the deterministic generator loading...