Agents that act as information brokers in large distributed systems (such as the internet) lower the cost of obtaining information. Agents have direct access to only a small part of such systems at any one time. This paper investigates the conditions in which agents successfully go through other...

The use of context can considerably facilitate reasoning by restricting the beliefs reasoned upon to those relevant and providing extra information specific to the context. Despite the use and formalization of context being extensively studied both in AI and ML, context has not been much...

In many markets, customer preferences depend on the activity of the customer. The authors have previously demonstrated a model that allows the testing of the qualitative judgments of domain experts in spirits markets against relevant EPOS price and sales data. This paper extends the use of...

The simulation of social behavior in a variety of domains is an increasingly important technological tool. A reference survey of social simulation work, This book comprehensively collects the most exciting developments in the field. Drawing research contributions from a vibrant community of...

I argue that the characterization of reducibility as computability is too weak to be credible. I propose an improved version -- "intentional computability" -- and show that it is indeed a stronger criteria, in that there may be specifications for which there exist programs but where there is no...