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IBM Systems Journal

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Model traceability.
INTRODUCTION Models are used in software development to manage complexity and communicate information to many stakeholders. There are models for business processes, system requirements, . . .

A measurement framework for evaluating model-based test generation tools.
INTRODUCTION Testing ensures that software meets its requirements and is thus a vital part of the software development life cycle. Because testing--be it integration, system, or acceptance . . .

Architectural thinking and modeling with the Architects' Workbench.
INTRODUCTION IT architects are faced with a formidable information management challenge as they design systems to address customer needs. For example, in designing a new Web application that will . . .

A rational approach to model-driven development.
INTRODUCTION The use of models and modeling in the development of software has a long and rich history. From the earliest days of writing programs, the quality and efficiency of the programming . . .

Model-driven development: the good, the bad, and the ugly.
INTRODUCTION Most developers operate by sitting down with their favorite text editor and typing in their program, attempting to compile it, making changes, compiling it, testing it, and so on . . .

Preface.(Model-driven software development)(Editorial)
Total sales of software worldwide exceed $200 billion annually, and it has been estimated that software errors cost the United States economy $59.5 billion, or .6 percent of the gross domestic . . .

Introduction.
For many years computer scientists have attempted to build models to represent the logic of various software components. We might ask why. It is because modeling is a universal way of both managing . . .

Business processes for Web Services: principles and applications.(Business Process Execution Language)(workflow software)
INTRODUCTION Workflow computing aims to automate business processes by encoding them in a format that can be processed in a workflow management system (WFMS). (1,2) A workflow consists of . . .

Virtual XML: a toolbox and use cases for the XML world view.(virtualization using extensible markup language )
INTRODUCTION Enterprises seeking ways to make their business processes more integrated, more nimble, and more flexible are evolving their data centers and software platforms by using concepts . . .

XML mapping technology: making connections in an XML-centric world.
INTRODUCTION The advent of the Internet and standard transfer protocols have made it easier for enterprises to programmatically exchange information, and Extensible Markup Language (XML) has . . .

Emerging patterns in the use of XML for information modeling in vertical industries.
INTRODUCTION The use of XML (Extensible Markup Language) for information modeling within vertical industries has taken many diverse forms. Some, but not all, of these forms have been influenced . . .

Revolutionary impact of XML on biomedical information interoperability.(Extensible markup language)
INTRODUCTION The use of Extensible Markup Language (XML) in Healthcare and Life Sciences (HCLS) is spreading rapidly with the effort to integrate biomedical information and develop semantic . . .

Enhancing XML search with XQuery 1.0 and XPath 2.0 Full-Text.(Extensible markup language)
Powerful queries of character strings, numbers, dates, and nodes are familiar to users of relational database systems. Full-text database search systems feature queries that (1) use logical, . . .

XQuery Full-Text extensions explained.(database searching)
INTRODUCTION One of the key benefits of Extensible Markup Language (XML) is its ability to represent a mix of structured and unstructured text data. One can find many real XML data repositories . . .

The importance of sibling clustering for efficient bulkload of XML document trees.(Extensible markup language)
INTRODUCTION Loading large amounts of data which is already available in an external format is called a bulkload operation. In conventional database management systems (DBMSes), bulkloads are . . .

Cost-based optimization in DB2 XML.(Extensible markup language)
INTRODUCTION As XML has been increasingly accepted by the information technology industry as a ubiquitous language for data interchange, there has been a concomitant increase in the need for . . .

DB2 goes hybrid: integrating native XML and XQuery with relational data and SQL.(IBM DB2 Universal Database enhancements)(Extens
INTRODUCTION XML is the de facto standard for exchanging data between different systems, platforms, applications, and organizations. XML first became a W3C ** (World Wide Web Consortium) . . .

Integration of SQL and XQuery in IBM DB2.(Structured Query Language)(database management software)
INTRODUCTION Since the introduction of the first relational database systems in the early 1980s, the commercial database field has seen mostly evolutionary changes. Most large-scale commercial . . .

Generation of efficient parsers through direct compilation of XML Schema grammars.
INTRODUCTION XML has begun to work its way into the business computing infrastructure and underlying protocols such as the Simple Object Access Protocol (SOAP) and Web services. In the . . .

Technical context and cultural consequences of XML.(Extensible markup language)
INTRODUCTION In 1996, a committee of the World Wide Web Consortium (W3C **) began work on what became the Extensible Markup Language (XML). (1) Based on SGML (2) (Standard Generalized Markup . . .

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