Joint Data Purchasing and Data Placement in a Geo-Distributed Data Market
Joint Data Purchasing and Data Placement in a Geo-Distributed Data Market
This paper studies design challenges faced by a geo-distributed cloud data market: which data to purchase (data purchasing) and where to place/replicate the data (data placement). We show that the joint problem of data purchasing and data placement within a cloud data market is NP-hard in general. However, we give …