There is an apparent need for specifying the integration of multiple knowledge sources during the design of Web Information Systems (WIS) where the actual data is often retrieved f...
There has recently been an increase in interest, among information systems architecture practitioners, in using viewpoints for architectural definition and description. This has be...
We present an on-line learning framework tailored towards real-time learning from observed user behavior in search engines and other information retrieval systems. In particular, ...
Abstract. This paper describes research in understanding the requirements for complex information systems that are constructed from one or more generic COTS systems. We argue that,...
Ian Sommerville, Russell Lock, Tim Storer, John Do...