Adobe Systems Incorporated
Flash Player 11 for Linux
Adobe recommends that all users upgrade to the latest version of Adobe Flash
Player for the most recent features, bug fixes, and security fixes. For
more information on the n
Bipolar Junction Transistors
Basic construction and operation
Characteristics of an npn or pnp transistor
Important parameters that define the
response of a transistor
Testing a transistor and identify the three
Techniques for solving diode circuits
Series, parallel, and series-parallel diode networks
Clipper and clamper
2nd Approximation or Constant
Voltage Drop Model
The 2 primary authoritative sources for RDF
Resource Description Framework (RDF): Concepts and
Abstract Syntax, Graham Klyne and Jeremy J. Carroll,
Editors, W3C Recommendation, 10 February 2004
The Jena homepage is http:/jena.apache.org/
Click Downloads link on the left (under Quick links)
Click on the link for the official Apache Jena releases
Click on binaries
This takes you to http:/www.apache.org/dist/jena/binaries/
RDF Schema (RDFS)
RDF user communities need to define the vocabularies (terms) to
indicate that they
are describing specific kinds or classes of resources and
use specific properties in describing those resources
A class name begins with an up
In N3, we could say that Ed (with id 21) and Bill (with id 34) created a
certain document as
@prefix foaf: <http:/xmlns.com/foaf/0.1/> .
@prefix dc: <http:/purl.org/dc/elements/1.1/> .
@prefix rdf: <http:/www.w3.org/1999/02/22-rdf-syntaxns#
Modeling with RDF
RDF and Tabular Data
Consider the Product database relation
The RDF/XML Serialization
RDF statements can be written in RDF/XML very much like
descriptions in non-RDF XML
XML is increasingly used in all kinds of applications
RDF could be used in these applications without major
changes in how their info is structur
Summary of RDF/XML
The following is the basic way to represent a triple.
We refer to Property here as a property element.
An Introduction to RDF
and the Jena RDF API
Tutorial Introduction (RDF &
Focus on people as resources.
Use an RDF representation of the vCard
A file format standard for electronic business car
More RDF Summary
There are 3 types of containers:
A Bag (rdf:Bag) is a group of resources or literals. It may have duplicate members,
and theres no significance to the order of the members.
A Sequence or Seq (rdf:Seq) is a group of resour
Guide to the Slides on RDF Schema (RDFS)
These slides cover the RDF schema language, RDF Schema (RDFS), which is an
extension of RDF that allows us to describe an RDF vocabulary, that is, to define
application-specific classes and properties. This set of
XKOS: An SKOS Extension for Statistical Classifications
Franck Cotton1, Richard Cyganiak2, R.T.A.M. Grim3, Daniel W. Gillman4, Yves Jaques5,
and Wendy Thomas6,7
Institut National de la Statistique et des tudes conomiques, Paris, FRANCE
DERI, Galway, I
Guide to the Set of Slides on RDF/XML
These slides address the RDF/XML serialization and contain the following sections.
6. Introduction to RDF/XML
7. Property Attributes
8. Blank Nodes (Bnodes)
9. Typed Literals
10. XML Entities to Abbreviate URIrefs in
To specify a base URI in N3, use the @base directive followed by the URI in <>s
The namespace prefix may be empty (the the default namespace)
Then the Qname starts with a colon
@prefix rdf: <http:/www.w3.org/1999/02/22-rdf-syntax-ns#
The OS is a BIG program
OS St t
The operating system is a large program
composed of many modules.
Writing and updating an OS requires
careful software engineering techniques.
Errors in the OS can cause the whole
COMP755 Exam 1 Review Guide
What is an operating System?
What are the functions/responsibilities of an operating system?
Storage hierarchy trade-off between speed, size and cost
OS dual mode (user/monitor).
Special requirements of a real time sy