The following table defines the abbreviations and terms used
throughout this article and the entire WDVL
XML section.
|
CDF |
Channel Definition Format; push technology based on XML syntax
(submitted to W3C by Microsoft and Marimba) |
|
CSS1 |
Cascading Style Sheets, Level 1 (earlier specification); a
W3C Recommendation; see CSS2 |
|
CSS2 |
Cascading Style Sheets, Level 2 (supersedes CSS1); a W3C
Recommendation; see also the W3C
Style
home page |
|
CSS-P |
Positioning with CSS (superseded by CSS2 in May 1998); Netscape
"Layers" is related to CSS-P |
|
DCD |
Document Content Description for XML is an effort from IBM, Microsoft,
and Textuality to provide an RDF vocabulary that expresses data (i.e.,
a subset of the XML-Data proposal) and datatypes without a DTD.
|
|
DHTML |
Dynamic HTML, a term introduced by
Netscape and
Microsoft,
but not accepted by W3C; "the combination of HTML, style
sheets and scripts that allows documents to be animated" is
how W3C describes DHTML; see also DOM, CSS2, and ECMAScript |
|
DOM |
Document Object Model, Level 1;
useful for scripting HTML and XML documents, including making changes
to documents on the fly; a
W3C Recommendation; see also
DHTML |
|
DSSSL |
Dynamic Style Semantics and Specification Language (not W3C),
a powerful formatting language, more so than CSS and XSL. |
|
DTD |
Document Type
Definition, the grammar that forms the basis of
HTML,
SGML,
and
XML |
|
ECMAScript |
W3C's evolving scripting spec (based on JavaScript); ECMA
is an international, Europe-based industry association founded in
1961 and dedicated to the standardization of information and
communication systems |
|
HGML |
Hyper Graphics Markup Language, a graphically-oriented alternative
to HTML specifically designed for use in wireless contexts.
|
| HTML |
Hypertext Markup Language; currently
version 4.0 is the
official W3C Recommendation, but many authors and browsers
are unfortunately still using
HTML 3.2 |
|
HyTime |
Hypermedia/Time-based Structuring Language (not W3C; pre-dates
the Web); an effort of ISO (the International Organization for
Standardization) and IEC (the International Electrotechnical
Commission) |
|
JavaScript |
Netscape's scripting language; current version is 1.2 |
|
JScript |
Microsoft's scripting language derived from JavaScript |
|
MathML |
Mathematical Markup Language, a W3C Recommendation
based on XML syntax |
|
MCF |
Meta Content Framework; a data model for metadata |
|
Metadata |
generally, machine-understandable information about data;
specifically, data describing web resources |
|
OFX |
Open Financial Exchange (from Microsoft, Intuit and CheckFree;
not W3C); supports banking, bill payment, bill presentment and
investments |
|
OSD |
Open Software Description
(from Microsoft and Marimba; not W3C); for platform-independent
software installation and updates |
|
P3P |
Platform for Privacy Preferences; web sites state their privacy
practices which user agents match against the preferences defined
by the user (giving the user better control); based on RDF which
is based in turn on XML syntax |
|
PGML |
Precision Graphics Markup Language; 2D scalable graphics useful
for precision graphics as well as for simple vector graphics;
based on XML syntax and the object model of PostScript and
Portable Document Format (PDF) |
| PICS |
Platform for Internet Content Selection; infrastructure for
associating labels (metadata) with Internet content; PICS 2.0 is
based on RDF which is based in turn on XML syntax (the earlier
PICS version 1.1 pre-dates XML and therefore uses a different
syntax) |
|
RDF |
Resource Description Framework; language for writing metadata;
useful for defining sitemaps, content ratings (see PICS), search
engine data collection (resource discovery), intelligent agents,
etc.; see also the
RDF Overview
and the W3C
RDF home page |
|
SGML |
Standard Generalized Markup Language (not W3C; pre-dates the
Web) |
|
SMIL |
Synchronized Multimedia Integration Language, an XML vocabulary
for audio and video; a
W3C Recommendation |
|
TEI |
Text Encoding Initiative (not W3C; pre-dates the Web) |
|
VML |
Vector Markup Language; defines markup formatting for vector
graphics along with style information to assist in display and
editing; compare to
PGML |
|
WIDL |
Web Interface Definition Language, an XML vocabulary from
webMethods, Inc. |
|
XLL |
Extensible Link Language, now called XLink, simple and extended
linking mechanisms; see also XPointer |
|
XMI |
XML Metadata Interchange format, and IBM and Unisys response to the
OMG's request for proposals for a stream-based model interchange format
for UML (Unified Modeling Language) models.
|
|
XML |
Extensible Markup Language; a W3C Recommendation; see
also the W3C XML home page
|
|
XML-QL |
A Query Language for XML, with similarities to SQL
|
|
XPointer |
XML Pointer Language; addressing scheme; see also XLL (XLink) |
|
XSL |
Extensible Style Language, a way of applying
trasnformations and formatting to XML documents. XSL is much more
powerful than CSS, but less so than DSSSL. See also the
W3C XSL page. |
