The paper discusses the value of information when a numberof independent sources provide information related to acommon set of states of nature.The starting point is the Information Economic model ofInformation Structures. The model is augmented to representindependence of informational sources...

Exponentially growing databases have been tackled on two basic fronts: technological and methodological. Technology offered solution in storage capacity, processing power, and access speed. Among the methodologies are indexing, views, data mining, and temporal databases, and combinations of...