Data quality is crucial for operational efficiency and sound decision making. This paper focuses on believability, a major aspect of data quality. The issue of believability is particularly relevant in the context of Web 2.0, where mashups facilitate the combination of data from different...

"November, 1983." "December 1983"--Prelim.

Includes bibliographical references (p. 33-36).

Includes bibliographical references (p. 17-19).

This case describes the challenges of implementation of IT Governance in a regional New England bank experiencing explosive and very profitable growth through mergers and acquisitions. Led by the CIO the new IT governance framework and implementation go well beyond the IT department to include;...

We consider neighborhood search defined on combinatorial optimization problems. Suppose that N is a neighborhood for combinatorial optimization problem X. We say that N?€Ҡis LO-equivalent (locally optimal) to N if for any instance of X, the set of locally optimal solutions with respect to...

Models based on psychological biases can explain momentum and reversal in stock returns, but risk overfitting of theory to data. We examine a central psychological bias, representativeness, which underlies many behavioral-finance theories. According to this bias, individuals form predictions...