Due to the importance of using up to date data in information systems, this paper analyzes how thedata quality dimension currency can be quantified. Based on several requirements (e.g. normalization andinterpretability) and a literature review, we design a procedure to develop probability based...

"New technologies mean that sports clubs and governing bodies are generating more data than ever to help manage their relationship with fans, performance, and income streams. This new edition of Winning with Data in the Business of Sports explains how to acquire, store, maintain, and use data in...

Most software reliability growth models specify the expected number of failuresexperienced as a function of testing effort or calendar time. However, there areapproaches to model the development of intermediate factors driving failureoccurrences. This paper starts out with presenting a model...

Two recent failures of the United States intelligence system have led to thecreation of high-level investigative commissions. The failure to prevent theterrorist attacks of 9/11 prompted the creation of the 9/11 Commission, andthe mistaken belief that Saddam Hussein had retained weapons of...

When assets exhibit asymmetric dependence or joint downside risk, diversificationcan fail and financial markets may be prone to systemic risk. We analyze thedependence structure of risk factors in the US economy, using both correlations anda parsimonious set of copulas. We find evidence of...

This paper derives simple closed-form identi…cation regions for the U.S. nonelderlypopulation's prevalence of health insurance coverage in the presence of household reporting errors.The methods extend Horowitz and Manski's (1995) nonparametric analysis of contaminated samplesfor the case that...