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Initial list of presentation topics
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XML
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The Extensible Markup Language (XML) has become the universal format
for structured documents and data on the Web.
This talk should cover the central aspects of XML, URIs, XML Inclusing,
XML
Namespaces, the cencepts of XML Processors (and XML Infosets),
relationship of XML to SGML, etc.
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XML Pointer, XML Base and XML Linking
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XML Linking Language (XLink) allows elements to be
inserted into XML documents in order to create and
describe links between resources. It uses XML syntax to
create structures that can describe links similar to the
simple unidirectional hyperlinks of today's HTML, as well
as more sophisticated links.
XML Base allows authors to explicitly specify a
document's base URI for the purpose of resolving
relative URIs in links to external images, applets,
form-processing programs, style sheets, and so on
XPointer, which is based on the XML Path Language
(XPath), supports addressing into the internal
structures of XML documents. It allows for traversals of
a document tree and choice of its internal parts based
on various properties, such as element types, attribute
values, character content, and relative position.
- XML Schema
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"XML Schemas express shared vocabularies and allow machines to
carry out rules made by people. They provide a means for
defining the structure, content and semantics of XML documents."
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XML Query
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"The mission of the XML Query working group is to provide
flexible query facilities to extract data from real and virtual
documents on the Web, therefore finally providing the needed
interaction between the web world and the database
world. Ultimately, collections of XML files will be accessed
like databases."
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XML Protocol
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This representation covers XML-based messaging protocol that is
being developed at W3C. One of the major inputs to that effort
is SOAP (Simple Object Access Protocol) defined by Microsoft.
In short, SOAP provides a remote procedure call facility on top
of HTTP and XML.
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XML Style sheets
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This talk should cover the different mechanisms to specify
documents styles, including CSS, XSL and XSLT.
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RDF Model and Syntax
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RDF Model and Syntax specification defines a simple data
model based on labeled directed graphs. The specification
defines an XML syntax for these kind of graphs.
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RDF Schema Language
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RDF Schema specification explains how RDF can be used to
describe RDF vocabularies.
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ebXML - Electronic Business XML
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"ebXML is a set of specifications that together enable a modular
electronic business framework. The vision of ebXML is to enable
a global electronic marketplace where enterprises of any size
and in any geographical location can meet and conduct business
with each other through the exchange of XML based
messages. ebXML is a joint initiative of the United Nations
(UN/CEFACT) and OASIS, developed with global participation for
global usage."
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UDDI - Universal
Description, Discvorvery and Integration of Business for the Web
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"Introduced in August 2001 by Microsoft, IBM and Ariba, UDDI is
intended to be an Internet standard for creating an online
business registry."
"A cornerstone of UDDI is WSDL
(Web Services Description Language) - a language that allows
businesses to describe their offerings in a standard way."
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Ontology languages and Web
standards
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Talk should discuss about ontology languages and their
relations to Web standards, such as XML Schema and RDF(S).
Some links are Noy & Hafner: The State of the Art in Onbtology Design, Fensel: Relating
Ontology Languages and Web Standards and Staab,
Erdmann & Maedche: Ontologies
in RDF(S).
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OIL - Ontology
Inference Layer
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"The Ontology Inference Layer OIL is a proposal for a
web-based representation and inference layer for ontologies,
which combines the widely used modelling primitives from
frame-based languages with the formal semantics and
reasoning services provided by description logics. It is
compatible with RDF Schema (RDFS), and includes a precise
semantics for describing term meanings (and thus also for
describing implied information)."
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SHOE -
Simple HTML Ontology Extension
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Talk should provide an overview of SHOE and at least cover
the following papers: Heflin & Hendler: Semantic Interoperability on the Web, Heflin & Hendler: Dynamic Ontologies on the Web and Heflin & Hendler: Searching the Web with SHOE.
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Topic Maps
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"Topic maps is an ISO Standard (ISO13250) that enables
information resources to be classified and navigated in a
consistent manner. It allows for the concepts or topics
that underlie a set of information objects to be exposed
to those people or applications processing the
information." See an article
about the topic map technology.
A topic map browser
is also available.
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Building web site with Topic Maps
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Material for presentation:
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Managing links with Topic Maps
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Material for presentation:
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CC/PP - Composite Capabilities/Preference Profiles
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Specification of device profiles using RDF.
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RSS - RDF Site Summary
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Application of RDF to specity site information, especially channels.
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DAML - Darpa Agent Markup Language
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Language
for agent description developed by DARPA.
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Collaboration and annotation
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Plans for annotation
infrastructure developed at W3C.
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Tools for RDF
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Overview of tools developed for manipulation and storage
of RDF, such as Redland,
Jena
and rdfdb. Also
ideas for storing
RDF in relational databases.
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RDF and logics
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Some possible starting points:
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Semantic portals
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How the technologies developed for the Semantic Web can be
utilized in the implementation of a portal. Suggested
starting point: Staab
et al: Semantic Community Web Portals.
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PRISM & NewsML
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The following topics have been removed from the seminar
due to their peripheral nature with respect to the
semantic web.
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XHTML and its modularization
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HTML 4 reformulated as an XML application. The reformulation
work has continued in the definition of the core of XHTML (XHTML Basic) that
could be used in resource constrained Web clients such as mobile
phones, PDAs, etc., and in the the specification of the abstract
modules of XHTML that provide different types of functionality
(XHTML
Modularization) to make XHTML usable in devices that support
different capabilities (digital TVs, mobile devices, etc.).
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DOM
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"Document Object Model (DOM) is a standard API (Application
Programmer Interface) to the document structure and aims to make
it easy for programmers to access components and delete, add or
edit their content, attributes and style."
"The Document Object Model is a platform-
and language-neutral interface that will allow programs and
scripts to dynamically access and update the content, structure
and style of documents. The document can be further processed
and the results of that processing can be incorporated back into
the presented page."
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SVG - Scalable Vector Graphics
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"SVG is a language for describing two-dimensional graphics in
XML." SVG is an approach towards a structured representation of
graphics on the Web. It is an XML instance, on one hand, and
connected to DOM, on the other.
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