As agile methodologies are being adopted by increasing number of organizations, there is a greater needto understand its value. This study attempts to explain the value of Agile Methodologies by introducing anew economic analytical model and using simulation techniques. The results show that...

Security threats, dynamic business environment and the ambiguous multi-jurisdictional arrangementsgoverning internet businesses often impose urgent change demands on businesses operating on the internet.A lightweight web maintenance methodology for SMEs has been proposed in this paper to...

To cope effectively with high levels of requirementvolatility and frequent system changes, practitionershave increasingly adopted iterative and agilemethodologies in Web development and maintenance.Despite the increasing acceptance of the agilemethods, empirical evidence on its effectiveness...

Market Surveillance plays an important role in maintaining market integrity, transparency and fairnesss. The existing trading pattern analysis only focuses on interday data which discloses explicit and high-level market dynamics. In the mean time, the existing market surveillance systems are...

Decision tree learning is one of the most widely used and practical methods for inductive inference. A fundamental issue in decision tree inductive learning is the attribute selection measure at each non-terminal node of the tree. However, existing literatures have not taken both classification...

In stock market, the key surveillance function is identifying market anomalies, such as insider trading and market manipulation, to provide a fair and efficient trading platform [2,6]. Insider trading refers to the trades on privileged information unavailable to the public [8]. Market...