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The developments in World Wide Web and the advances in digital data collection and storage technologies during the last two decades allow companies and organizations to store and share huge amounts of electronic documents. It is hard and inefficient to manually organize, analyze and present these documents. Search engine helps users to find relevant information by present a list of web pages in response...
One of the biggest challenge in emergency management is how to deal with the incomplete, contradict and fuzzy information. This paper reviews related work and develop a framework for heterogeneous information integration in emergency management. A high-level data integration module in which heterogeneous data sources are integrated and presented in a uniform format is also described. Furthermore,...
The losses on sovereign debt of Iceland and Greece led to concern about current sovereign credit rating systems by Moody's and Standard and Poor's, which can only afterwards adjust the credit score of the corresponding country. In this research, we proposed a Dynamic Multiple Criteria Decision Making Model, which evaluates and ranks the country risk based on historical data and predicts the credit...
Early 2007, the subprime crisis emerged in Wall Street of the United States, which gradually developed into the biggest credit crunch and credit crisis since the Great Depression in 1930s. The scale, the impact and the loss of the crisis has been far more than expectation. However, traditional warning indicators of economy are not able to reflect the financial status of credit market in crisis. By...
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