In recent years, data provenance or lineage tracing which refers to the process of tracing the sources of data, data movement between databases, and annotations written for data ha...
We are developing a distributed query processor called PIER, which is designed to run on the scale of the entire Internet. PIER utilizes a Distributed Hash Table (DHT) as its comm...
Brent N. Chun, Joseph M. Hellerstein, Ryan Huebsch...
A multidimensional database can be seen as a collection of multidimensional cubes, from which information is usually extracted by aggregation; aggregated data can be calculated ei...
Abstract. In this paper we present a new approach for studying aggregations in the context of database query languages. Starting from a broad de nition of aggregate function, we ad...
Abstract. Publish-subscribe systems present the state of the art in information dissemination to multiple users. Such systems have evolved from simple topic-based to the current XM...
Roger Moussalli, Mariam Salloum, Walid A. Najjar, ...