Abstract. In ubiquitous computing environments there are an increasing number and variety of devices that can generate context data. The challenge is to timely acquire, process, an...
Abstract. We study the extension of context ontologies towards enhanced qualitative spatio-temporal representations and reasoning. Our goal is to model and extract events that are ...
In this paper we describe applications, research issues, and approaches related to Intelligent Transportation Systems (ITS). More specifically, we focus on spatio-temporal databas...
Business rules are a cornerstone of the consistency management of e-commerce data. The concurrency of transactions by multiple customers of e-commerce services (e.g., seat reserva...
Scientific workflows have gained great momentum in recent years due to their critical roles in e-Science and cyberinfrastructure applications. However, some tasks of a scientific w...
Liqiang Wang, Shiyong Lu, Xubo Fei, Jeffrey L. Ram