data processing system

Dataflow Processing and Optimization on Grid and Cloud Infrastructures

Tsangaris, M.; Kakaletris, G.; Kllapi, H.; Papanikos, G.; Pentaris, F.; Polydoras, P.; Sitaridi, E.; Stoumpos, V.; Ioannidis, Y.

Complex on-demand data retrieval and processing is a characteristic of several applications and com-
bines the notions of querying & search, information filtering & retrieval, data transformation & analysis,
and other data manipulations. Such rich tasks are typically represented by data processing graphs, hav-
ing arbitrary data operators as nodes and their producer-consumer interactions as edges. Optimizing
and executing such graphs on top of distributed architectures is critical for the success of the corre-

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