Sell Globally and Shop Globally have been seen as a potential benefit of web-enabled electronic business. One important step toward realizing this benefit is to know how things are selling in various parts of the world. A global price comparison service would address this need. But there have...

Technological advances such as Service Oriented Architecture (SOA) have increased the feasibility and importance of effectively integrating information from an ever widening number of systems within and across enterprises. A key difficulty of achieving this goal comes from the pervasive...

Background: Over the past decade, clinical care has become globally dependent on information technology. The cybersecurity of healthcare information systems is now an essential component of safe, reliable, and effective healthcare delivery. Objectives: The objective of this study is to provide...

The world can be complex and dangerous - the loss of state stability of countries is of increasing concern. Although every case is unique, there are important common processes. We have developed a system dynamics model of state stability based on an extensive review of the literature and...

There are many different kinds of ontologies used for different purposes in modern computing. Lightweight ontologies are easy to create, but difficult to deploy; formal ontolgies are relatively easy to deploy, but difficult to create. This paper presents an approach that combines the strengths...

The Equifax data breach, announced in September 2017, occupies the top 10 charts of the largest data breaches in history. While the 148 million affected persons do not bring the event to the top, but the sensitivity of the data stolen makes it one of the most impactful incidents for consumers....

The web is undoubtedly the largest and most diverse repository of data, but it was not designed to offer the capabilities of traditional data base management systems - which is unfortunate. In a true data federation, all types of data sources, such as relational databases and semi-structured...

The availability of data on the web and the improvement of technologies have made it increasingly easy to reuse existing data to create new databases and provide valueadded services. Meanwhile, initial database creators have been seeking legal protection for their data. After presenting a brief...

One of the challenges of dealing with multiple contexts is the significant effort required to provide all necessary lifting rules so that statements in one context can be viewed and understood in other contexts. In this paper, we introduce the notion of structured contexts, where a lightweight...

Data quality is crucial for operational efficiency and sound decision making. This paper focuses on believability, a major aspect of quality, measured along three dimensions: trustworthiness, reasonableness, and temporality. We ground ourapproach on provenance, i.e. the origin and subsequent...