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- research-articleSeptember 2011
Black-box determination of cost models' parameters for federated stream-processing systems
IDEAS '11: Proceedings of the 15th Symposium on International Database Engineering & ApplicationsPages 226–232https://doi.org/10.1145/2076623.2076654For distribution and deployment of queries in distributed stream-processing environments, it is vital to estimate the expected costs in advance. Having heterogeneous Stream-Processing Systems (SPSs) running on various hosts, the parameters of a cost ...
- research-articleSeptember 2011
Aggregates and priorities in P2P data management systems
IDEAS '11: Proceedings of the 15th Symposium on International Database Engineering & ApplicationsPages 1–7https://doi.org/10.1145/2076623.2076625This paper investigates the data exchange problem among distributed independent sources. It is based on previous works of the authors [11, 12, 14] in which a declarative semantics for P2P systems has been presented and a mechanism to set different ...