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XML Daily Newslink. Wednesday, 23 May 2007
A Cover Pages Publication http://xml.coverpages.org/
Provided by OASIS http://www.oasis-open.org
Edited by Robin Cover

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This issue of XML Daily Newslink is sponsored by
SAP AG http://www.sap.com

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HEADLINES:

* Call for Papers: The International RuleML Symposium on Rule
Interchange and Applications (RuleML-2007)
* W3C/OpenAjax Alliance Workshop on Mobile Ajax
* SOA and Enterprise Architecture, Part 2: Similarities and Differences
* W3C Proposed Recommendation: Web Services Description Language (WSDL) 2.0
* DKIM: Promising Antispam Technique Gets Nod from IETF
* SaaS Meets SOA With Help from Salesforce
* Microsoft Opens Up Its Identity Management E-Wallet

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Call for Papers: The International RuleML Symposium on Rule
Interchange and Applications (RuleML-2007)
Staff, RuleML Symposium Announcement

The International RuleML Symposium on Rule Interchange and Applications
(RuleML-2007) will take place, October 25-26, 2007, in Orlando, Florida,
co-located with The 10th International Business Rules Forum. RuleML-2007
is devoted to practical distributed rule technologies and rule-based
applications which need language standards for rules operating in the
context of, e.g., the Semantic Web, Intelligent Multi-Agent Systems,
Event-Driven Architectures and Service-Oriented Computing Applications.
A RuleML-2007 Challenge with prizes will be organized to demonstrate
tools, use cases, and applications. Abstracts are due June 15, 2007;
papers are due June 29, 2007. The goal of RuleML-2007 is to bring
together rule system providers, representatives of, and participants
in, rule standardization efforts (e.g., RuleML, RIF, PRR, CL, SBVR) and
open source rules communities (e.g., jBoss Rules , Jess, Prova, OO jDrew,
Mandarax, XSB, XQuery), practitioners and technical experts, developers,
users, and researchers. They will be offered an exciting venue to
exchange new ideas, practical developments and experiences on issues
related to the engineering, management, integration, interoperation and
interchange of rules in open distributed environments such as the Web.
A particular focus will be on practical issues such as technical
contributions and show case demonstrations of effective, practical,
deployable rule-based technologies, rule interchange formats and
applications as well as discussions of lessons learned that have to
be taken into account when employing rule-based technologies in
distributed, (partially) open, heterogeneous environments.

http://xml.coverpages.org/RuleML-2007-CFP.html
See also The Rule Markup Initiative: http://www.ruleml.org/

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W3C/OpenAjax Alliance Workshop on Mobile Ajax
Staff, W3C Announcement

The World Wide Web Consortium (W3C) and the OpenAjax Alliance are
co-sponsoring a Workshop on Mobile Ajax, to take place on
28-September-2007 in the San Francisco Bay Area, California, USA. The
program chairs for the Workshop are Daniel Appelquist (Vodafone) and
Jon Ferraiolo (IBM, OpenAjax Alliance). The goals of this workshop are
to explore user and industry use cases and challenges around mobile
Ajax and to help shape ongoing work in making productive use of Ajax
in mobile browsers. Thus, questions that might serve as appropriate
discussion points for position papers include: (1) What user experiences
can Ajax enable in mobile browsers that are different from a typical
mobile browsing experience? (2) What tools for creating Ajax
applications for mobile browsers do developers have available to work
with today? (3) What are device manufacturers and browser vendors
doing in the area of mobile Ajax? (4) What differentiates Ajax
development for mobile browsers from Ajax development for desktop
browsers? (5) Is there a need for standardization and/or development
of best practices for mobile Ajax? (6) What should the scope of any
mobile-Ajax standardization activity be? To participate in the Workshop,
applicants must submit a position paper by 15-August-2007 explaining
their interest in the Workshop. W3C membership is not required in
order to participate in the Workshop, but the total number of
participants will be limited. To ensure diversity, a limit might be
imposed on the maximum number of participants per organization.
Workshop sessions and documents will be in English; there is no fee
to participate.

http://www.w3.org/2007/06/mobile-ajax/
See also OpenAjax Alliance: http://www.openajax.org/

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SOA and Enterprise Architecture, Part 2: Similarities and Differences
Mamdouh Ibrahim and Gil Long, IBM developerWorks

This three-part series of articles covers the similarities and
differences between SOA and EA, and shows you how to address the
potential problems that result from their overlap based on a real
customer engagement. In this engagement, IBM provides a broad range
of business transformation and IT outsourcing services and manages
all of the client's IT operations -- mainframe, midrange, desktop,
help desk, voice and data network, application development, and
maintenance. The engagement required both SOA and EA to be developed
concurrently. Part 1 of this series provided definitions and scope
of both SOA and EA to establish a framework in which proper comparisons
and contrasts between the two can be meaningful. It also explained
that SOA and EA are more than just architecture -- specifically, both
are comprised of architecture, governance, and a roadmap. It provided
a breakdown of the different domains of each and the governance
framework for both. Part 2 (this installment), focuses on identifying
the similarities and differences between SOA and EA, considering the
architecture in both and identifying the overlap between their
corresponding domains. It highlights the potential problems that may
arise when an enterprise has developed (or is developing) an EA and
is now embarking on establishing an SOA. Then we focus on the
governance aspects of EA and SOA and perform analysis similar to what
we did with the architecture while working on a large engagement with
a Fortune 500 company in the utilities industry.

http://www.ibm.com/developerworks/webservices/library/ws-soa-enterprise2/

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W3C Proposed Recommendation: Web Services Description Language (WSDL) 2.0
Staff, W3C Announcement

W3C has announced the advancement of the Web Services Description
Language (WSDL) Version 2.0 to the status of Proposed Recommendation.
Public comment is invoted through 20-June-2007. WSDL 2.0 describes a
Web service in two fundamental stages: one abstract and one concrete.
Within each stage, the description uses a number of constructs to
promote reusability of the description and to separate independent
design concerns. At an abstract level, WSDL 2.0 describes a Web service
in terms of the messages it sends and receives; messages are described
independent of a specific wire format using a type system, typically
XML Schema. An operation associates a message exchange pattern with
one or more messages. A message exchange pattern identifies the sequence
and cardinality of messages sent and/or received as well as who they
are logically sent to and/or received from. An interface groups together
operations without any commitment to transport or wire format. At a
concrete level, a binding specifies transport and wire format details
for one or more interfaces. An endpoint associates a network address
with a binding. And finally, a service groups together endpoints that
implement a common interface. The WSDL 2.0 specification is published
in in three parts: "Part 0: Primer", "Part 1: Core Language", and
"Part 2: Adjuncts." The Working Group went through a Last Call period
since it changed the namespaces of the specifications as well as the
URIs of the identifiers associated with the namespaces, such as the
identifiers for Message Exchange Patterns (MEPs). The specifications
are using the new namespace [http://www.w3.org/ns/wsdl] and consequent
URIs. The test suite and the implementations are aligned with the
change. The Working Group also removed two features at risk from the
adjuncts specification: features/properties and several of the MEPs.
The removed MEPs are being published separately in a Working Group
Note.

http://www.w3.org/TR/2007/PR-wsdl20-20070523
See also Part 2 Adjuncts: http://www.w3.org/TR/2007/PR-wsdl20-adjuncts-20070523

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DKIM: Promising Antispam Technique Gets Nod from IETF
Declan McCullagh, CNET News.com

Spammers, phishers and other Internet bottom-feeders, be warned. A key
Internet standards body gave preliminary approval on Tuesday to a
powerful technology designed to detect and block fake e-mail messages.
It's called DomainKeys Identified Mail, and it promises to give
Internet users the best chance so far of stanching the seemingly
endless flow of fraudulent junk e-mail. The draft standard that the
Internet Engineering Task Force adopted is more promising than most
other anti-spam and antiphishing technologies because it harnesses
the power of cryptographically secure digital signatures to thwart
online miscreants. The way it works is straightforward: if PayPal
sends an e-mail notice to customers about their accounts, the
company's outgoing mail server will quietly insert a digital signature
into the legitimate message. Because the signature is embedded in the
message headers, it's generally not visible to human readers. In the
long run, DomainKeys is more promising than existing antispam and
antiphishing technologies, which rely on techniques like assembling
a "blacklist" of known fraudsters or detecting such messages by
trying to identify common characteristics. But spammers have invented
increasingly creative counterattacks, such as inserting image
advertisements in the text of messages and appending excerpts from
news articles and fiction works in an attempt to defeat the popular
antispam method of Bayseian filtering. That kind of counterattack is
called Bayesian poisoning. The DomainKeys approach does suffer from
one serious, short-term problem: it's only effective if both the
sender and recipient's mail systems are upgraded to support the
standard.

http://news.com.com/2100-1029_3-6185904.html
See also DomainKeys Identified Mail (DKIM) Signatures: http://xml.coverpages.org/IETF-RFC-4871.txt

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SaaS Meets SOA With Help from Salesforce
Andy Patrizio, Internetnews.com

As part of its first developer conference for a still-unreleased
programming language, Salesforce.com announced plans to integrate its
Apex language and on-demand Web services with service oriented
architectures (SOA). Salesforce.com customers have been able to produce
Web services for some time, but Salesforce SOA will allow them to
consume Web services as well for the first time. Salesforce SOA will
use Web services to bring in workflow or processes from outside
applications or systems from legacy applications, thus bridging
Salesforce.com applications with data from order entry, sales or
billing systems. It will also allow calls to external services from
the likes of FedEx, Hoovers or Yahoo. But first, developers will
need the Apex programming language, which is due in December.
Separately, Salesforce.com announced the AppExchange Venture Network,
a new initiative designed to help entrepreneurs and venture firms
build successful on demand and Software as a Service (SaaS) companies.

http://www.internetnews.com/dev-news/article.php/3679041

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Microsoft Opens Up Its Identity Management E-Wallet
Eric Lai, ComputerWorld

Microsoft Corp. has announced plans to release a free identity
management specification that it says can help software developers
make Web surfing more secure. Microsoft is making the Identity Selector
Interoperability Profile technology freely available under its Open
Specification Promise (OSP). Identity Selector is a sort of electronic
wallet that securely stores an end user's personal information,
according to Thom Robbins, director of Microsoft's .Net product
management group. Used with the company's Windows CardSpace technology,
Identity Selector can make it easier for users to log into Web sites
and for sites to harvest as little or as much personal information
from a user as needed to authenticate his identity. According to the
announcement: "Microsoft is starting four open source projects that
will help Web developers support information cards, the primary
mechanism for representing user identities in the identity metasystem.
These projects will implement software for specifying the Web site's
security policy and accepting information cards in Java for Sun Java
System Web Servers or Apache Tomcat or IBM's WebSphere Application
Server, Ruby on Rails, and PHP for the Apache Web server. An additional
project will implement a C Library that may be used generically for
any Web site or service... An individual open source software developer
or a commercial software developer can build its identity selector
software and pay no licensing fees to Microsoft, nor will it need to
worry about future patent concerns related to the covered specifications
for that technology. In September 2006 Microsoft announced the
availability of 38 Web services specifications under the Open
Specification Promise (OSP). A subset of those specifications, such
as WS-Trust and WS-SecureConversation, addressed identity metasystem
scenarios and have led to interoperable identity solutions such as
Novell Inc.'s Bandit project and the Eclipse Foundation's Higgins
Trust Framework Project.

http://www.computerworld.com/action/article.do?command=viewArticleBasic&articleId=9020859
See also the announcement: http://www.microsoft.com/presspass/press/2007/may07/05-23MetasystemPR.mspx

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XML Daily Newslink and Cover Pages are sponsored by:

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