Using a multi-agent social simulation model to predict the behavior of cloud computing markets, Rogers & Cliff (R&C) demonstrated the existence of a profitable cloud brokerage capable of benefitting cloud providers and cloud consumers alike. Functionally similar to financial market brokers, the cloud broker matches provider supply with consumer demand. This is achieved through options, a type o...

The number of on-line structured information sources especially over the Internet is rapidly increasing. These sources include mainly commercial databases on product information which are exploited from various enterprises to form the so-called “electronic stores” or “virtual shopping malls”. However it is still often a burden for the users to locate the “right” information sources and even har...

With the development of Electronic Commerce (EC), the need of offering brokerage facilities in a distributed environment has arisen. Customers need, in many situations, systems (broker agents) that simplify them the access to the different products and services provided by suppliers. On the other hand, the existence of brokers increases the globality of EC, since customers are even more unaware...

With the development of Electronic Commerce (EC), the need of offering brokerage facilities in a distributed environment has arisen. Customers need, in many situations, systems (broker agents) that simplify them the access to the different products and services provided by suppliers. On the other hand, the existence of brokers increases the globality of EC, since customers are even more unaware...

This paper addresses interoperability issues of learning content management systems. Motivation and design challenges are presented and an interoperability framework implemented at the Universal Brokerage Platform for learning resources is specified.

for helpful comments. We would also like to thank Jeremy Evnine and the discount brokerage house which provided the data necessary for this study. Financial support from the Nasdaq Foundation and the American Association of Individual Investors is gratefully acknowledged.

add.isolates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 bbnam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 bbnam.bf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 betweenness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 blockmodel ....