Behind every search query is a high-level mission that the user wants to accomplish. While current search engines can often provide relevant information in response to well-speciļ...
This paper investigates a class of mobile wireless sensor networks that are unconnected most of the times; we refer to them as delayātolerant wireless sensor networks (DTWSN). T...
In an object-relational database management system, a query optimizer requires users to provide cost models of userdeļ¬ned functions. The traditional approach is analytical, that...
In contrast to classical databases and IR systems, real-world information systems have to deal increasingly with very vague and diverse structures for information management and s...
Xuan Zhou, Julien Gaugaz, Wolf-Tilo Balke, Wolfgan...
Abstract. As wireless sensor networks gain in popularity, many deployments are posing new challenges due to their diverse topologies and resource constraints. Previous work has sho...