Secrets of the System.Xml.Schema Namespace

Grok Headline matches for Secrets of the System.Xml.Schema Namespace

Schema wars: XML Schema vs. RELAX NG
(WebReference.com)

Schema wars: XML Schema vs. RELAX NG
(WebReference.com) 07/09/2002 11:19 AM

What's in a namespace?

What's in a namespace? 05/31/2002 08:11 AM

VIN namespace is getting full

VIN namespace is getting full 07/06/2004 11:43 AM
also, please note the photo caption, which is completely wrong about DNA

CSS @namespace support

CSS @namespace support 01/24/2004 11:41 PM

I just finished implementing support for the @namespace directive in stylesheets. The exercise got me thinking about clever ways to represent namespaces, element names, and attribute names efficiently.

Right now KHTML stores the namespace + the element/attribute name as two 16-bit quantities jammed into a single 32-bit value. The high 16 bits represent the namespace, and the low 16 bits represent the element/attribute name.

For HTML elements, no space is consumed at all for this 32-bit value for element names, since a virtual id() method is implemented in all the HTML element subclasses to return the appropriate element id (the upper 16 bits where the namespace would be are just 0).

For XML elements, the element name is a member variable of the XMLElementImpl object. As elements in a document are constructed and new namespace URIs, element names, and attribute names are encountered, the strings get registered and corresponding ids get handed out.

There are several drawbacks to this approach. The first is that the qualified name (including the prefix) gets lost. Technically when you ask for the qualified name via the DOM you should get back the original prefix that was specified.

Second, this element/attribute/namespace URI cache is per-document, which creates a dependency between a stylesheet and the document it's found in, thus defeating the ability to cache a stylesheet in memory for use across multiple documents.

Basically I'm trying to come up with a space and time-efficient solution that doesn't degrade the current performance of HTML elements, but that still performs well for XML elements. Ideally I would not have to have special methods for getting an HTML element name vs. getting an XML element name.

Removing the Previous SMS Servers WMI
Namespace

Removing the Previous SMS Servers WMI
Namespace 07/14/2004 01:49 AM

Running a Select Query Against the MOM
Namespace

Running a Select Query Against the MOM
Namespace 04/15/2004 06:28 PM

The Rsdn.Framework.Data namespace

The Rsdn.Framework.Data namespace 11/02/2003 09:45 PM
Rsdn.Framework.Data 1.1 released

Features: XML Namespace Processing in
Apache

Features: XML Namespace Processing in
Apache 12/19/2004 03:48 PM
Nick Kew introduces the Apache XML Namespace API for use in building mix-and-match XML Namespace-aware applications for the Web in Apache.

XML 2003 session report: Namespace
Routing Language

XML 2003 session report: Namespace
Routing Language 12/23/2003 10:38 AM
James Clark followed a block of sessions on ISO Document Schema Definition Languages (DSDL) (ISO/IEC JTC 1 SC 34 WG 1) with a presentation on Namespace Routing Language (NRL), which is a key contribution to DSDL Part 4: "Selection of validation candidates".

HotFix Watch: Could not retrieve the
Namespace Path error message when you
run Makecoll.exe remotely against a
Windows Server 2003-based SMS provider

HotFix Watch: Could not retrieve the
Namespace Path error message when you
run Makecoll.exe remotely against a
Windows Server 2003-based SMS provider 07/19/2004 11:19 PM

Can XML Be The Same After W3C XML
Schema?

Can XML Be The Same After W3C XML
Schema? 06/26/2002 01:01 PM
After writing a book on W3C XML Schema for O'Reilly, author and consultant Eric van der Vlist reflects on how significantly XML processing will be changed by the W3C XML Schema technology.

SMS Schema Extensions

SMS Schema Extensions 01/04/2004 09:32 AM

UML for W3C XML Schema design (XML.com)

UML for W3C XML Schema design (XML.com) 08/12/2002 11:50 AM

UML For W3C XML Schema Design

UML For W3C XML Schema Design 08/07/2002 06:32 PM
The latest installment of Will Provost's XML Schema Clinic series describes a UML profile for W3C XML Schema, allowing the modeling of schemas in UML.

Just what is Apple Schema-ing

Just what is Apple Schema-ing 03/22/2005 03:20 PM
null

XML DTDs Vs XML Schema

XML DTDs Vs XML Schema 11/25/2002 10:07 PM
WebmasterBase Nov 25 2002 9:03PM ET

XML::Validator::Schema 1.06

XML::Validator::Schema 1.06 04/21/2004 05:13 PM
A Perl module which validates XML against a subset of the W3C XML schema.

XML-Validator-Schema-1.06

XML-Validator-Schema-1.06 04/21/2004 05:11 PM

XML-Validator-Schema-1.05

XML-Validator-Schema-1.05 11/13/2003 06:23 PM

XML::Validator::Schema 1.05

XML::Validator::Schema 1.05 11/13/2003 11:01 PM
A Perl module which validates XML against a subset of the W3C XML schema.

XML-Validator-Schema-1.07

XML-Validator-Schema-1.07 09/22/2004 05:06 PM

JAXB or W3C XML Schema "a la carte"?

JAXB or W3C XML Schema "a la carte"? 09/24/2002 10:15 AM
Sun has released version 0.7 of their JAXB (Java Architecture for XML Binding) specification introducing a partial -and controversial- support for W3C XML Schema.

Requirements for XML Schema 1.1
Published

Requirements for XML Schema 1.1
Published 01/21/2003 08:05 PM
21 January 2003: The XML Schema Working Group has released the first public Working Draft of Requirements for XML Schema 1.1. Schemas are technology for specifying and constraining the structure of XML documents. The draft adds functionality and clarifies the XML Schema Recommendation Part 1 and Part 2. Read about the XML Activity. (News archive)

JAXB or W3C XML Schema "a la carte"?

JAXB or W3C XML Schema "a la carte"? 10/11/2002 07:56 AM
Sun has released version 0.7 of their JAXB (Java Architecture for XML Binding) specification introducing a partial -and controversial- support for W3C XML Schema.

Relax NG schema for XLink

Relax NG schema for XLink 07/01/2002 08:28 AM
John Cowan has posted on xml-dev a generic Relax NG schema for Xlink taking advantage of the flexibility of Relax NG wildcard patterns to validate any document only if it conforms to XLink.

A Compact Syntax for W3C XML Schema

A Compact Syntax for W3C XML Schema 03/24/2005 07:42 PM
XML Mar 24 2005 10:29PM GMT

The .NET Schema Object Model

The .NET Schema Object Model 12/04/2002 08:22 PM
Priya Lakshminarayanan describes in detail the use of the .NET Schema Object Model for programmatic manipulation of W3C XML Schemas.

Database Schema Designer 0.5

Database Schema Designer 0.5 01/06/2004 10:37 AM
A program to create/maintain database schemas.

IPTC Core Schema for XMP

IPTC Core Schema for XMP 04/02/2005 04:12 PM
Technology News Daily Apr 2 2005 7:52PM GMT

XML Events, XHTML in W3C XML Schema

XML Events, XHTML in W3C XML Schema 08/19/2002 06:03 PM
The W3C HTML Working Group has released two new working drafts, XML Events and Modularization of XHTML in XML Schema, along with the jointly produced XHTML+MathML+SVG Profile.

Database Schema Designer

Database Schema Designer 01/06/2004 06:56 AM
Version 0.5 released

Eric van der Vlist on W3C XML Schema

Eric van der Vlist on W3C XML Schema 05/23/2002 10:39 PM

Working Drafts: XML Schema 1.1

Working Drafts: XML Schema 1.1 07/20/2004 04:34 PM
2004-07-19: The XML Schema Working Group has released the First Public Working Draft of XML Schema 1.1 in two parts: Part 1: Structures and Part 2: Datatypes. The drafts include change logs from the XML Schema 1.0 language and are based on version 1.1 requirements. XML schemas define shared markup vocabularies, the structure of XML documents which use those vocabularies, and provide hooks to associate semantics with them. Visit the XML home page. (News archive)

Who is using the fundamental facets of
W3C XML Schema?

Who is using the fundamental facets of
W3C XML Schema? 10/28/2003 11:06 PM
Michael Sperberg-McQueen posted on XML-DEV a question which seems as surprising as it is surrealistic: does anyone use fundamental facets of W3C XML Schema?

XML Schema Unit Test

XML Schema Unit Test 06/22/2005 02:02 AM
XML Schema Unit Test - Promoting XML Data Exchange

The XML Schema Companion. Chapter 15:
Patterns

The XML Schema Companion. Chapter 15:
Patterns 01/07/2004 06:40 PM
Here, the most crucial concepts are covered first, including mastering the construction of document models, defining data types that can serve as reusable building blocks for your documents, learning how to master the powerful XML Schema pattern language and inheritance techniques. by Addison-Wesley. 0105

An Introduction to the Relaxer Schema
Compiler

An Introduction to the Relaxer Schema
Compiler 02/19/2003 08:08 PM
Michael Fitzgerald and Tomoharu Asami introduce the Relaxer schema compiler, showing how to use it to generate schemas, stylesheets and Java code from instance documents and schemas.

Wanted: LDAP Schema Expertise

Wanted: LDAP Schema Expertise 03/11/2003 07:23 PM

Wanted: LDAP Schema Expertise

A really good friend of mine is working on an LDAP project and he's running into some schema / query questions.  If anyone has some expertise here and wouldn't mind answering a few LDAP questions via IM or email, that would be just plain awesome.  Just leave a comment or drop me a line.  My guess is that this like 15 minutes or so.

Not my type: Sizing up W3C XML Schema
primitives (XML.com)

Not my type: Sizing up W3C XML Schema
primitives (XML.com) 08/07/2002 01:28 PM

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Secrets of the System.Xml.Schema Namespace

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