Big Data Computing

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Scalable End-User Access to Big Data

Martin Giese, Diego Calvanese, Peter Haase, Ian Horrocks,

YannisIoannidis, Herald Kllapi, Manolis Koubarakis, MaurizioLenzerini,

Ralf Möller, Mariano Rodriguez Muro, Özgür Özçep, Riccardo Rosati,

Rudolf Schlatte, Michael Schmidt, Ahmet Soylu, and ArildWaaler

This chapter proposes steps toward the solution to the data access problem that

end-users typically face when dealing with Big Data:

• They need to pose ad-hoc queries to a collection of data sources, pos-

sibly including streaming sources.

• They are unable to query these sources on their own, but are depen-

dent on assistance from IT experts.

•