A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
Graham Cormode, S. Muthukrishnan, Ke Yi, Qin Zhang
There have been many proposals for constructing routing tables for Distributed Hash Tables (DHT). They can be classified into two groups: A) those that assume that the peers are ...
Fabius Klemm, Sarunas Girdzijauskas, Jean-Yves Le ...
We present a new approach to the grid technology that is based on federated databases and updatable views. Views are used in two ways: (1) as wrappers of local servers that adopt l...
Hanna Kozankiewicz, Krzysztof Stencel, Kazimierz S...
Our system, based on a multiagent framework called collaborative understanding of distributed knowledge (CUDK), is designed with the overall goal of balancing agents' conceptu...
The success of the Semantic Web crucially depends on the easy creation, integration and use of semantic data. For this purpose, we consider an integration scenario that defies cor...