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Subject: Fwd: XML.org Daily Newslink. Friday, 15 April 2005

Title: Fwd: XML.org Daily Newslink. Friday, 15 April 2005
Generally, I don't usually send announcements about my own publishing activities to groups in which I participate, but I make an exception in this case because the article does relate to our work in this TC.

I don't offer this as being either a position paper nor a treatise on the reference model, just as background on the context from which the SOA concept evolved along with Enterprise Architecture.

Sorry I haven't been involved in recent discussion. Family matters have demanded my attention, and will for a while.


-----Original Message-----
From: Robin Cover <robin@oasis-open.org>
To: XML.org Daily News List <xml-dailynews@lists.xml.org>
Sent: Fri, 15 Apr 2005 23:06:41 -0400 (EDT)
Subject: XML.org Daily Newslink. Friday, 15 April 2005

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XML.org Daily Newslink. Friday, 15 April 2005
  Provided by OASIS
  Edited by Robin Cover


This issue of XML.org Daily Newslink is sponsored
by SAP



* Choosing an XML Editor
* Liberty Alliance Embraces SAML 2.0
* DSDL Part 10, Using Pipelining for Validation Management
* Enterprise Architecture and Service-Oriented Architecture Fad or
* Web Services Still at an Impasse
* Social Bookmarking Tools (I): A General Review


Choosing an XML Editor
T. van den Broek and Ylva Berglund, Arts and Humanities Data Service

With the increasing popularity of XML, the number of XML editors is
also increasing and it can be difficult to choose the editor that best
suits a particular user or task. The aim of this Information Paper is
to provide an introduction to different features XML editors can have
and the extent to which these features are implemented in various
editors. It also presents the result of an evaluation exercise where
different user groups tried a number of the editors. The paper first
outlines the different types of XML editors that are available and
their main characteristics. Thirty different features of XML editors
that were identified as useful by the benchmarking exercise (van den
Broek 2004) are then outlined, followed by tables showing how these
are implemented within different editors. Finally, the twenty editors
evaluated in the benchmarking exercise are presented, highlighting the
editors which were preferred by four different types of users. Which
editor you choose to use depends on a number of factors.



Liberty Alliance Embraces SAML 2.0
Jim Wagner, InternetNews.com

With the ink barely dry on the final Security Assertion Markup
Language (SAML) 2.0 standard, officials at the Liberty Alliance are
set to include the technology in its interoperability test bed Monday.
The Liberty Interoperable Logo Program certifies software developers
create products that interoperate with products from other vendors
using a variety of specified profiles and schema. Roger Sullivan,
Liberty Alliance conformance expert group chairman and Oracle vice
president for identity management solutions, said the organization has
been working on getting SAML 2.0 into the interoperability program for
some months. Several vendors have already included SAML 2.0 in their
product line or are in the process of rolling out a version in the near
future: Oracle, Computer Associates and RSA Security. In order to gain
program approval, the product must work with at least two other vendor
implementations. The logo is good only for the specific version of the
product that undergoes the testing, not the entire product line.
According to officials, some 15 vendors and 30 products have already
successfully participated in the program, the first in the industry to
test and approve interoperability standards for federation, single
sign-on and identity-based Web services.

See also SAML 2.0 release:


DSDL Part 10, Using Pipelining for Validation Management
Martin Bryan, SC34/WG1 Committee Draft Technical Report

This early sketch of Document Schema Definition Languages Part 10
(Validation Management) combines three proposals for validation using
pipelining.  The document defines a set of semantics for describing and
ordering validation rules, a set of syntaxes for declaring validation
rules, and a syntax for defining models for the management of
validation sequences. It includes: (1) Specifications of relevant
validation technologies that can be used in isolation or within the
DSDL framework. (2) References to validation technologies defined
outside of this International Standard that can be used within the DSDL
framework. (3) Semantics for managing the sequence in which different
validation technologies are to be applied during the production of
validation results. This technical report illustrates how existing
pipelining languages can be used to manage the validation processes.
Included in discussion are proposal for use of the Declarative Process
Markup Language (DPML), validation management using Cocoon, and
validation management using XPL.

See also the ISO/IEC 19757 DSDL Project web site:


Enterprise Architecture and Service-Oriented Architecture Fad or
Rex Brooks and Russell Ruggiero, DM Direct Newsletter

This two-part article provides both a basic and somewhat advanced
understanding of the terms 'enterprise architecture' (EA) and
'service-oriented architecture' (SOA): why they are important to us,
where they come from and what this means for the information technology
(IT) industry. As with most innovative concepts that seemingly come
into vogue in a sudden and haphazard manner, there is both a history
leading up to its short sojourn in the spotlight of popular perception
and a predictable fade unless popular uptake makes it a staple
component of the IT infrastructure. With reference to EA and SOA, it
is fairly certain that they will both become such a staple.

See also SOA references:


Web Services Still at an Impasse
Clint Boulton, InternetNews.com

Fifteen vendors with a common interest in distributed computing will
show how they've been able to get the Web Services Security standard
to work with each other's products next week. IBM, Microsoft, BEA
Systems and others are participating in the demonstration at Gartner's
Application Integration and Web Services Summit next Wednesday. The
demo will celebrate the one-year anniversary of WS-Security, a blueprint
designed by OASIS members to ensure the secure exchange of messages
between applications. Software built on WS-Security could enable single
sign-on Web services transactions, allowing users to shop or exchange
info across different devices. But as the industry trudges toward
standards convergence, there remains some issues that need to be
resolved among groups who want to establish Web services in different
ways. Tony Nadalin, lead author of WS-Security and a distinguished
engineer and chief software architect for IBM, said that while great
strides on crucial aspects of Web services have been made, there is
some overlap that could impact developers and users. At the event,
each vendor will show how it was able to write software based on
WS-Security that allows users to encrypt, digitally sign or decrypt
Web services messages. Many of these companies have demonstrated such
interoperability before, but never on such a broad level. Nadalin said
WS-Security uptick is big among XML firewall vendors, such as
Reactivity, DataPower and Layer 7.

See also WS-Security references:


Social Bookmarking Tools (I): A General Review
Tony Hammond, Timo Hannay, Ben Lund, Joanna Scott; D-Lib Magazine

This paper thus first recaps a brief history of bookmarks, then
discusses the current interest in tagging, moves on to look at certain
social issues, and finally considers some of the feature sets offered
by the new bookmarking tools. Distinct from the simple link manager
functionality built into a browser, the new breed of link manager is a
server-side web application that enables links to be tagged for easy
retrieval and is increasingly being opened up to manage public rather
than (or sometimes in addition to) private sets of links. The following
elements are usually present in varying degrees:  personal user
accounts, with groups sometimes provided; mechanism for entering links,
titles and descriptions; browser bookmarklets to facilitate entry;
classification by 'open' or 'free' tagging; search by tag or user, with
Boolean combinations sometimes allowed; querying of links based on
popularity, users, tags, etc; RSS feeds; extensions such as browser
plug-ins.  In many ways these new tools resemble blogs stripped down
to the bare essentials. Here the essential unit of information is a
link, not a story -- but a link decorated with a title, a description,
tags and perhaps even personal recommendation points. It is still
uncertain whether tagging will take off in the way that blogging has.



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Rex Brooks
President, CEO
Starbourne Communications Design
GeoAddress: 1361-A Addison
Berkeley, CA 94702
Tel: 510-849-2309

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