While the Basel II accord has now gone live in most parts of the world, many discrepancies still remain on advanced modeling techniques for operational risk among large international banks. The two major families of models include the loss distribution approaches (LDAs) that focus on observed past internal and external loss events and the scenario-based techniques that use subjective opinions f...

Abstrucl-We describe a viewpoint on the DempsterlSbafer “theory of evidence,” and provide an interpretation which regards the combination formulas as statistics of the opinions of “experts.” This is done by introducing spaces with binary operations that are simpler to interpret or simpler to implement than the standard combinat ion formula, and showing that these spaces can be mapped homomorphi...

We investigate from a global point of view the existence of cohesiveness among experts’ opinions. We address this general issue from three basic essentials: the management of experts’ opinions when they are expressed by ordinal information; the measurement of the degree of dissensus among such opinions; and the achievement of a group solution that conveys the minimum dissensus to the experts’ g...

Based on the studies of existing informatization maturity model at home and abroad the paper puts forward a new enterprise Informatization Maturity Model. The authors collected the opinions of fifteen well-known Chinese informatization experts about the model by Delphi method. Through statistical analysis, it can be found that the extent of the experts’ acceptance is very high. According to the...

Managing information based on hierarchical structures is prevailing, be it by storing documents physically in a file structure like MS explorer or virtually in topic trees as in many web applications. The problem is that the structure evolves over time, created individually and hence reflecting individual opinions of how information objects should be grouped. This leads to time consuming search...

Expert judgments of probability and expectation play an integral role in many systems. Financial markets, public policy, medical diagnostics and more rely on the ability of informed experts (both human and machine) to make educated assessments of the likelihood of various outcomes. Experts however are not immune to errors in judgment (due to bias, quantization effects, finite information or man...

This Essay describes the phenomenon of cultural bias in judicial decision making, and examines the use of testimonies and opinions of cultural experts as a way to diminish this bias. The Essay compares the legal regimes of the United States and Israel. Whereas in the United States, the general practice of using cultural experts in courts is well developed and regulated, the Israeli legal proced...