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Mon, Aug 23, 2004 |
Web Services In Financial Services
1/24/2004
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Eugene Kuznetsov, CTO and founder of Datapower, reviews the dominant XML standards in financial services such as FpML and MDDL, and their current recommended messaging frameworks. Eugene discusses how these frameworks and standards fit with the current Web services architecture, how security remains an important challenge, and how a "snap-in" gateway approach can lead to one possible solution to security.
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XML Schema API: W3C Member Submission
1/23/2004
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This specification defines an XML Schema API, a platform- and language-neutral interface that allows programs and scripts to dynamically access and query the post-schema-validation infoset (PSVI) defined in Contributions to the post-schema-validation infoset (Appendix C.2). This specification also defines interfaces for loading XML schema documents. This specification is implemented in Apache Xerces2 Java Parser. There is also a C++ binding and implementation for this specification in Apache Xerces C++ Parser.
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Creating a lightweight XML search server using Python.
1/22/2004
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In earlier installments of this column, I made the case for exploiting the combination of XHTML and CSS, and I demonstrated a browser-based technique for searching XHTML/CSS content using XPath. I've been using a variation of this technique on my weblog. It works, and it's been a revelation to see what's possible using nothing but JavaScript, the DOM, and the XML and XSLT processors embedded in both MSIE and Mozilla. But as my corpus of well-formed content grew it became impractical to load it into a browser in order to perform structured searches. In the spirit of the lightweight browser-based solution, I decided to create an equally lightweight server-based version based on Python and libxml2/libxslt. (I'm also working on a slightly heftier, but more powerful variation based on Berkeley DB XML; we'll explore that one next time.)
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Peter Mikhalenko on the work of the W3C's Multimodal Interaction Activity.
1/22/2004
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The W3C Multimodal Interaction Activity is developing specifications as a basis for a new breed of Web application with multiple modes of interaction. Consider applications which use speech, hand writing, and key presses for input, and spoken prompts, audio and visual displays for output. It is implemented by several drafts, which we will briefly review in this article. These include InkML, a language that serves as the data exchange format for representing ink entered with an electronic pen or stylus; and EMMA, a data exchange format for representing application specific interpretations of user input together with annotations such as confidence scores, time stamps, and input medium.
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Kendall Clark on the W3C TAG's Architecture document: interacting with resources.
1/22/2004
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I had hoped to examine the W3C TAG's Architectural Principles of the World Wide Web (AWWW) within the space of three installments of the XML-Deviant column. That plan turned out to be overly ambitious, since there are some outstanding issues and nontrivial puzzles remaining; or perhaps I simply don't write as concisely as I hoped?
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Inside XAML
1/22/2004
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One of Longhorn's most interesting technologies for developers is its new XML-based markup language, codenamed XAML (short for eXtensible Application Markup Language, and pronounced "Zammel"). User interfaces in Longhorn applications are typically built using XAML. In this article, we look at how XAML relates to the underlying support provided by WinFX. XAML user interfaces are built in much the same way as HTML web user interfaces -- you simply create a document with tags for each of the user interface elements you require.
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Novell exteNd 5 Reduces Web Services Complexity with Intuitive XML-based Visual Development
1/22/2004
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Novell today announced the availability of Novell® exteNd™ 5, its services-oriented application development suite that helps companies rapidly design and develop Web services to reach new customers, build more effective partnerships and give employees faster access to business resources. This award-winning technology is now more accessible to mainstream IT developers with innovative visual tools and added support for Linux.
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McObject’s eXtremeDB High Availability Embedded Database Gains Role In Boeing AH-64D Apache Longbow Helicopter
1/22/2004
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The Boeing Company, maker of the world-leading AH-64D Apache Longbow multi-role combat helicopter, has selected the XML-enabled, High Availability version of McObject’s eXtremeDB(tm) in-memory database as part of research and development on the vehicle’s critical real-time on-board systems. Within the Apache Longbow, McObject’s eXtremeDB will manage secure, digitized battlefield data. eXtremeDB’s XML interface will facilitate communications, both internally and between the attack helicopter and external (ground and air) systems. Embedded software including eXtremeDB will run on airborne PowerPC processors and a commercial real-time operating system (RTOS). The program is being developed by The Boeing Company’s Phantom Works organization in Mesa, Ariz.
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The Python Web services developer: The real world, Part 2: The Amazon.com Web APIs
1/22/2004
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This column has covered the major Python APIs available for Web services processing, demonstrating basic facilities and approaches through the use of simple clients and servers. All of this has laid the groundwork for utilizing real-world Web services. Part 1 of "The Real World", showed how to search the Web using Google's Web service API. Part 2 now takes that a step further and applies those tools and understanding to a more complex real-world Web service application. This issue will focus on the Web APIs for Amazon.com -- to which the authors will show you how to connect over SOAP so that you can programmatically search the huge catalogs of Amazon.com. As a bonus, the authors show you how to wrap the Web services code in a GUI.
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Building Web Services with WebSphere Studio V5.1.1, Part 1: Build and test
1/22/2004
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This tutorial demonstrates how to use WebSphere Studio V5.1.1 for building Web services. It walks you through an example from a real business scenario involving a work management system. The example makes use of a Web service in order to allow multiple clients to create work orders in your system. Using WebSphere Studio, you will learn how to develop a Web service, how to package it, how to create the Web service description and then how to test your service.
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Use XInclude to synchronize WSDL with source schemata
1/22/2004
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In the document/literal style of Web services, the schemas of the interchange formats are often based on an existing document standard. This can cause problems synchronizing WSDL files with the standard schemata. This tip shows how to use XInclude to incorporate external schema fragments into a WSDL file.
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Microsoft's Office XML lags on Mac
1/22/2004
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Microsoft is readying a new version of Office for Macintosh for release in the first half of 2004 — one which doesn’t support many of the much-touted XML features of its Windows cousin, Office 2003. Although Office 2004 for Macintosh will read and write Excel files saved in XML format, it won’t support other XML file formats, including WordML, and won’t have any equivalent to Office 2003 features such as XML data binding, “smart” documents, schema libraries and XSL stylesheet support.
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Blogger adds Atom support
1/22/2004
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Atom is one name for two things: It's both a new standard for developers, as well as a syndication format or "feed" for your blog. When a regularly updated site such as a blog has a feed, people can subscribe to it using software for reading syndicated content called a "newsreader." People like using readers for blogs because it allows them to catch up on all their favorites at once.
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Parsing OWL in RDF/XML Published
1/22/2004
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The Web Ontology Working Group has released Parsing OWL in RDF/XML as a Working Group Note. The OWL language is used to publish and share sets of terms called ontologies, supporting advanced Web search, software agents and knowledge management. This document describes a strategy for OWL-RDF parsers.
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Web services standards set for Grid
1/21/2004
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A group of software suppliers led by IBM and Hewlett-Packard (HP) Co. this week proposed new Web services specifications that officials said can be used to integrate Grid computing and Web services standards. The proposed standards, dubbed WS-Notification and WS-Resource Framework, are said to represent a common, standards-based infrastructure that can support business applications, Grid resources and systems management.
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Macromedia RoboHelp X5 delivers XML support and content management features
1/21/2004
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Macromedia, Inc. (Nasdaq: MACR) today announced the immediate availability of Macromedia RoboHelp X5, the latest version of the industry standard help authoring tool used by developers and technical writers to create professional help systems and documentation for desktop and web-based applications. Macromedia acquired eHelp, the makers of RoboHelp, in December 2003. With RoboHelp X5, users can leverage powerful new features including support for XML, PDF import/export, content management, distributed workforces, team authoring capabilities, as well as the newly released JavaHelp 2.0 from Sun Microsystems, Inc.
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XHTML-Print Is a W3C Candidate Recommendation
1/21/2004
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XHTML-Print is designed for printing from mobile devices, low-cost printers and in environments without a printer-specific driver. The work is based on XHTML-Print written by the Printer Working Group (PWG), a program of the IEEE-ISTO.
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Systinet Releases WASP Server for Java 4.7
1/21/2004
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Systinet, the leading independent Web services software company, today announced the availability of Systinet WASP Server for Java, 4.7, the award-winning Web services infrastructure platform that provides a complete solution for developing and deploying enterprise Web services applications. WASP Server for Java, 4.7 makes it possible, for the first time, to deploy Web services in critical business projects that demand proven reliability and security and that require seamless integration at both the application and data levels.
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Resource Directory Description Language (RDDL) 2.0 Working Draft Published
1/20/2004
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This document is a working draft that contains substantial input from the W3C Technical Architecture Group, produced in connection with the work on its issue namespaceDocument-8. It is the consensus of the TAG that RDDL is a suitable format for use as a "Namespace Document", that is to say as a representation yielded by dereferencing a URI in use as an XML Namespace Name. While this document has no official standing, it is the intention of the TAG to seek guidance from the W3C membership and the larger community on the question of whether and how to progress this document and the use of RDDL.
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Web Services Notification and Web Services Resource Framework
1/20/2004
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WS-Notification implements the Notification pattern, where a service provider, or other entity, initiates messages based on a subscription or registration of interest from a service requestor. It defines how the publish/subscribe (pub sub) pattern commonly used in Message-Oriented middleware products can be realized using Web services. This includes brokered as well as direct pub sub which allows the publisher/subscribers to be decoupled and provides greater scalability.
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A survey of XML standards: Part 1: The core standards -- a foundation for the wide world of XML
1/20/2004
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The world of XML is vast and growing, with a huge variety of standards and technologies that interact in complex ways. It can be difficult for beginners to navigate the most important aspects of XML, and for users to keep track of new entries and changes in the space. In this series of articles, Uche Ogbuji provides a guide to XML standards, including a wide range of recommended resources for further information.
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Web services shakeout looming
1/20/2004
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Two years ago, Ed Horst, an executive at Web services start-up AmberPoint, walked into his CEO's office with a report from influential research firm Gartner Group and a prediction.
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Business Integration -- Information Conformance Statements (BI-ICS): An XML specification for declaring business information conformance
1/20/2004
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Industry trends within the XML-oriented business space indicate that regardless of the advancements in technology that XML brings, challenges in business information modeling that have existed for decades continue. A predominant problem area is centered on the real-world need to accommodate different levels of conformance for such information. This article discusses industry trends in the area of modeling business information, and introduces an XML specification for business information conformance as a step toward a solution in this area.
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Sarvega Secures Investment from Blueprint Ventures and Intel Capital
1/19/2004
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Sarvega™, Inc. today announced that Blueprint Ventures and Intel Capital have invested in the company. Sarvega, a leading provider of Web services infrastructure solutions, has received more than $20 million to date from venture capital firms including Bessemer Venture Partners, ComVentures, and InterWest Partners, as well as one of Chicago’s largest venture funds, KB Partners. Sarvega’s hardware-based Web services infrastructure solutions, the Sarvega’s XPE™ appliance and XRE™ blade, have been deployed in Global 1000 companies and governments around the world. Both the XPE and XRE family are built on Sarvega’s patent-pending core technology, XML EventStream™ Operating System (XESOS™), which addresses all facets of XML Web Services processing from XSL Transformation to XML/Web Services security. This approach has enabled Sarvega’s products to offer customers significant financial savings while delivering order-of-magnitude performance improvements.
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Interactive XForms School
1/19/2004
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Interactive, cross-platform lessons on W3C XForms. Learn how you can benefit from open standards.
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