IBM Systems Journal articles from December 2002

IBM Systems Journal archives from December 2002

Message from the General Manager, Data Management Solutions, IBM Software Group.
December 1, 2002... The data management marketplace has seen tremendous growth and transformation during the last decade. Relative ease of communication through the Internet has created the demand for a much tighter integration of business processes and...

Preface.
December 1, 2002... In our Web-connected world, a business enterprise must have timely information in order to survive. But the applications that collect and manage the information may have been developed independently, over years, using different products and...

Information integration: a research agenda.
December 1, 2002... Integration is the driving force of this decade of IT (information technology) spending. As enterprises buy more and more packaged applications, it is estimated that the task of combining these application "silos" results in over 40 percent...

Information integration: a new generation of information technology.
December 1, 2002... If current trends continue, more data will be generated in the next three years than in all of recorded history, (1) and the widespread adoption of the Internet has made nearly all of it just a URL (uniform resource locator) away. This...

Data integration through database federation.
December 1, 2002... In a large modern enterprise, it is inevitable that different parts of the organization will use different systems to produce, store, and search their critical data. This diversity of data sources is caused by many factors including lack of...

XQuery: an XML query language.
December 1, 2002... Increasingly, Extensible Markup Language (XML) (1) is considered the format of choice for the exchange of information among various applications on the Internet. The popularity of XML is due in large part to its flexibility for representing...

XTABLES: bridging relational technology and XML.
December 1, 2002... Internet-based applications promise to dramatically reduce the cost of doing business by providing an automated and secure way to exchange data over the Internet. XML (Extensible Markup Language) has emerged as the standard data-exchange...

XML programming with SQL/XML and XQuery.
December 1, 2002... The recent expansion of the Internet and invention of the XML (Extensible Markup Language) data format has created both the opportunity and the need for businesses to exchange information, and to interoperate in a uniform way that has not...

DB2 and Web services.
December 1, 2002... Web services are part of an emerging technology that offers the dual promise of simplicity and pervasiveness. Much of the simplicity is due to the common XML (Extensible Markup Language) foundation that underlies most Web service protocols....

Bringing together content and data management systems: challenges and opportunities.
December 1, 2002... Database management systems (DBMSs)--in particular, relational database management systems (RDBMSs), such as the IBM DB2 Universal Database * (1) (Database 2 *)--have long been established as the appropriate engines for providing...

The integration of business intelligence and knowledge management.
December 1, 2002... A critical component for the success of the modern enterprise is its ability to take advantage of all available information. This challenge becomes more difficult with the constantly increasing volume of information, both internal and...

Relational extensions for OLAP.
December 1, 2002... On-line analytical processing (OLAP) is a term that was coined in an unpublished 1993 white paper, Providing OLAP to User Analysts: An IT Mandate, by E. F. Codd. (1) By introducing this new term as a play on the then-familiar term on-line...

Using flows in information integration.
December 1, 2002... Information integration has two fundamental aspects: data integration and function integration. In a nutshell, data integration deals with the problem of making heterogeneous, "external" data sources accessible via a common interface and an...

Extending the concept of transaction compensation.
December 1, 2002... To compensate is "to make amends for, to make up for." (1) In the context of business transactions, a compensation is an action taken when something goes wrong or when there is a change of plan. For example, when an airline has overbooked a...

Selling interrupt rights: a way to control unwanted e-mail and telephone calls. (Technical forum).
December 1, 2002... Among the great irritations of modern life are unwanted e-mail (often referred to as "spam" (1)) and unwanted telephone calls. In this article I present an approach to controlling these intrusions. The key idea is simple: My attention is...