ABSTRACT
The purpose of this chapter is to present the basic concepts of data reconciliation. Attention is given to those methods that provide analytical background for future chapters. However, for the purpose of completeness, other methods for performing data reconciliation are nonetheless briefly discussed. The reader is also referred to three good books in the field (Madron, 1992; Narasimhan and Jordache, 2000; Sa´nchez and Romagnoli, 2000).
