DOM for Web Services, Part 2
by Faheem Khan
This article shows how to use Microsoft's Document Object Model (DOM) implementation to create a user interface for a web service from a WSDL file, with examples both in Internet Explorer and using ASP.NET. It provides a gentle introduction to the programmatic use of the DOM.
The Impact of Site Finder on Web Services
by Steve Loughran
VeriSign's recently Site Finder service, now temporarily suspended, caused many problems for internet users and web applications. Particularly at risk from the Site Finder changes are web services applications. This article examines the difficulties caused by Site Finder, and what users and developers of web services can do about it.
Web Services Security for Java
by Bilal Siddiqui
This first article in a new column by Bilal Siddiqui embarks upon deploying web services security. Siddiqui introduces the use cases for a Java web service security API, and begins its implementation.
DOM for Web Services, Part 1
by Faheem Khan
In this first part of a three-part series, Faheem Khan introduces the application of the W3C's Document Object Model in processing web services. He also gives an overview of the main two DOM processors in use, Apache Xerces and Microsoft's MSXML.
Really Simple Web Service Descriptions
by Rich Salz
In his newest column, Rich Salz outlines a proposal for an interface definition language, called RSWS, that's simpler than WSDL and tuned for document-style services.
What is Service-Oriented Architecture?
by Hao He
Service-Oriented Architecture underpins most modern web services. It aims to achieve loose coupling between interacting software agents in order to preserve the benefits of reusability, extensibility and simplicity.
Integrating Services with XSLT
by Will Provost
For all the magic that XML, SOAP, and WSDL offer in allowing businesses to interoperate, they do not solve the more traditional problems of integrating data models and message formats. This article shows how XSLT can be used to integrate data models across web services.
A Preview of WS-I Basic Profile 1.1
by Anish Karmarkar
The WS-I Basic Profile is a set of guidelines on using web services specifications to maximize interoperability. This article from a WS-I BP working group member previews the changes to the Basic Profile being incorporated in the 1.1 revision of the specification.
Using XPath with SOAP
by Massimiliano Bigatti
There are many approaches to processing SOAP data, some more complex than others. One lightweight way is by using XPath to extract the items of interest. This article demonstrates a Java web service and client based around the Jaxen XPath API.
Typeless Schemas and Services
by Rich Salz
Strange as it may seem, top thinkers in web services are moving away from strongly typed models of data into a more document-centric service oriented model. Rich Salz charts this change in thinking.
What Interoperability Isn't
by Will Provost
The buzzword "interoperability" has grown to encompass a broad range of problems and is no longer a precise term. This article challenges several apparent interoperability problems in web services, many of which are really solved problems from other domains.
Low Bandwidth SOAP
by Jeff McHugh
Using web services on low resource J2ME devices is possible through Enhydra.org's KSOAP classes. This article shows you how to create lightweight web service clients and servers.
A Web Services Strategy for Mobile Phones
by Nasseam Elkarra
Planning to deploy information services on mobile phones? This article gives an overview of the various technologies and routes available for mobile web service development.
WSDL Tales From the Trenches, Part 3
by Johan Peeters
This third and final part of WSDL Tales from the Trenches concentrates on the data aspects of web services. It discusses the type definitions and element declarations in the types element of a WSDL document. Such types and elements are used in the abstract messages in web service descriptions.
Embedded Markup Considered Harmful
by Norman Walsh
How do you carry HTML or XML around inside an XML document? Not by using CDATA sections or escaping special characters, says Norm Walsh. Find out why embedding markup this way is wrong, and what alternatives there are.
Should Atom Use RDF?
by Mark Pilgrim
In this month's Dive Into XML column Mark Pilgrim explains the uses and abuses of RDF for the new Atom syndication format.
The Semantic Web is Closer Than You Think
by Kendall Grant Clark
The W3C's web ontology language, OWL, was advanced to become a W3C Candidate Recommendation on 19 August. Kendall Clark explains why it plays a major role in making the Semantic Web a reality.
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