Reactivity, the ability to detect and react to events, is an essential functionality in many information systems. In particular, Web systems such as online marketplaces, adaptive (...
Keyword-based search returns its results without concern for the information needs of users at a particular time. In general, search queries are too short to represent what users ...
A common perception is that there are two competing visions for the future evolution of the Web: the Semantic Web and Web 2.0. A closer look, though, reveals that the core technol...
Abstract. In its core, the Semantic Web is about the creation, collection and interlinking of metadata on which agents can perform tasks for human users. While many tools and appro...
Advancements in sensor technologies have made it easier and increasingly common to capture information using multiple media. This is especially true for personal multimedia inform...
Juan Pinzon, Rahul Singh, Wolfgang Taube, Jensen G...