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37
Integrity Management
and Data Provenance
for Social Media
37.1 INTRODUCTION
In this chapter, we will discuss integrity management for social media. Integrity includes several
aspects. In the database world, integrity includes concurrency control and recovery as well as
enforcing integrity constraints. For example, when multiple transactions are executed at the same
time, the consistency of the data has to be ensured. When a transaction aborts, it has to be ensured
that the database is recovered from the failure into a consistent state. Integrity constraints are rules
that have to be satised by the data. Rules include “salary value has ...