Abstract. In this paper, we further develop the idea of combining pervasive computing techniques with electronic payment systems to create activity-based micro-incentives. Economic...
The contextual relationships among different semantic concepts provide important information for automatic concept detection in images/videos. We propose a new context-based conce...
To bridge the gap between high level semantic concepts and low level visual features in content-based image retrieval (CBIR), online feature selection is really required. An effec...
A fundamental problem in information integration is that of designing the relationships, called schema mappings, between two schemas. The specification of a semantically correct sc...
Abstract. We present a service-oriented personalization system, set in an educational framework, based on a semantic annotation of courses, given at a knowledge level (what the cou...