The research topics of the 39 papers published in the International Journal of Information Technology and Decision Making (IT&DM) in 2009 can be classified into three major directions: decision support, multiple criteria decision making, and data mining and risk analysis. The Editor-in-Chief, on...

No abstract received.

This work furnishes a sharper bound of exponential form to the L2 norm of an arbitrary shaped random matrix. On the basis of this bound, a non-uniform sampling method is developed for approximating a matrix with a sparse binary one. Both time and storage loads of matrix computations can hereby...

No abstract received.

In this paper, we first discuss the space frame of multidimensional dynamic credit evaluation (MDCE) theoretically, and then propose the conception of identical credit status and pseudo-identical credit status. Taking advantage of space conformational analysis and optimization techniques, a...

Nowadays, valuation and measurement of knowledge assets has become a challenging problem for many organisations. This paper first introduces the concept of knowledge assets and presents some evaluation models of knowledge assets. Then, based on the methodology of the balanced scorecard, this...