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Saravá
Saravá is an "équipe associée" between Atlas and the database team at UFRJ, Rio de Janeiro, since january 2009.
The general problem we address is P2P data sharing for online communities, by offering a high-level network ring across distributed data source owners. The major advantage of P2P is a completely decentralized approach to data sharing which does not require centralized administration. Users may be in high numbers and interested in different kinds of collaboration and sharing their knowledge, ideas, experiences, etc. Data sources can be in high numbers, fairly autonomous, i.e. locally owned and controlled, and highly heterogeneous with different semantics and structures. What we need then is new, decentralized data management techniques that scale up while addressing the autonomy, dynamic behavior and heterogeneity of both users and data sources. In this context, we focus on two major problems: query processing with uncertain data and management of scientific workflows. The two teams involved in this project have a long experience of success collaboration (in previous CNPq-INRIA and CAPES-COFECUB projects) and complementary expertise which make us quite confident in how to address the problems.
