In the Data Streaming world, screening for outliers is an often overlooked aspect of the data preparation phase, which is needed to rationalize inferences drawn from the analysis of data. In this paper, we examine the effects of three outlier screens: A Trimming Window, The Box-Plot Screen and the Mahalanobis Screen on the market performance profile of firms traded on the NASDAQ and NYSE. From ...

capital asset pricing, as one of the basic theories in finance and investment area, develop a model for estimation of expected rate of return and equity cost of capital. this model has many applications in the field of finance. one of anomalies in the capital asset pricing model is the value premium that its proponents believe this risk premium is compensation for a risk not mentioned in origin...

With the rise in population migration there has been an increased need for professional interpreters who can bridge language barriers and operate in a variety of fields such as business, legal, social and medical. Interpreters require specialized training to cope with the idiosyncrasies of each field and their potential clients need to be aware of professional parlance. We present ‘Project IVY’...

At their worst, fires at the rural–urban or wildland–urban interface cause tragic loss of human lives and homes, but mitigating these fire effects through management elicits many social and scientific challenges. This paper addresses four interconnected management challenges posed by socially disastrous landscape fires. The issues concern various assets (particularly houses, human life and biod...

Manually identifying possible attacks on an organisation is a complex undertaking; many different factors must be considered, and the resulting attack scenarios can be complex and hard to maintain as the organisation changes. System models provide a systematic representation of organisations that helps in structuring attack identification and can integrate physical, virtual, and social componen...

Asset managing organisations utilize a variety of information systems to support the lifecycle of their assets. Traditionally, engineering enterprises take a deterministic approach to technology adoption. Evaluation of these systems, therefore, is an important aspect of managing IT investments in these organisations. Information systems evaluation is not an inert or stagnant activity, in fact i...

Behavioral operations management, or simply behavioral operations (BOps), aims at understanding the decision-making of managers and at using this understanding to generate interventions that improve the operation of the supply chain. To do so, BOps imports knowledge from a number of fields such as economics, psychology and other social and behavioral sciences. We point out a blind spot in this ...

importance of human resources and its unique role as a strategic resource, designer and systems executive and organizational systems has found higher position than in the past as far as the advanced enterprise thinking considers human being as the most important resource and asset for an organization. today, new approaches to human resource management emphasizes that should human resource with ...

This paper considers the theory of social capital and volunteerism in an online gaming community, the Internet Chess Club (ICC). We discuss how increased social capital provides broad classes of benefits to the participants of the network and suggest how volunteerism can be expected to increase the social capital of a network. We present survey data collected from 62 members of ICC to examine h...