Parallel query processing in database systems has been actively investigated for the past several years. When several queries execute at the same time, all parallel tasks will compete for access to ...

In this paper, we address the problem of processing reverse top-k queries in a parallel and distributed setting. Given a database of objects, a set of user preferences, and a query object q, the ...

This was a high-stakes implementation of advanced data pipelines designed with zero tolerance for data inconsistency or ...

Journal of Parallel and Distributed Computing (2019). [3] Generating custom code for efficient query execution on heterogeneous processors . The VLDB Journal (2018).

Parallel Query Processing in a Cluster using MPI and File System Caching. Data intensive applications that rely heavily on huge databases waste a lot of time in searching and retrieval especially ...

For instance, in the above example, parallel databases with simple federation capabilities would still use the execution strategy A. This means 695 million rows would need to be transferred through ...

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