Tutorial on Semantic Digital Libraries at ICSD'09
by Knowledge Hives on Sep 10, 2009
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These are the slides from the tutorial on Semantic Digital Libraries we gave at International Conference for Digital Libraries and the Semantic Web (iCSD'09)
These are the slides from the tutorial on Semantic Digital Libraries we gave at International Conference for Digital Libraries and the Semantic Web (iCSD'09)
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Then we have to show that actually the Web was meant to be that way from the begining
Finally tell what the „Semantic” means in all of that
Where are we *really* in the the SW layer cake?
Still far away – isn’t it ?
We need to help it
Explain the car example in more details
2)In order to do that – we can use widely addopted RDF
3)What is RDF? What are the properties?
4)RDF is not XML – as RDF is based on graph model
5)How machines can process it ?
First – obvious: objects/resources and relationsships
Than – easy extend the model with new relantionships, types, etc
Finally – we can easily integrate stuff
But be aware – RDF support many points of view – if you want to be sure – you need to exend the knowledge with more sentences to know which „conflicting” statement is right for you
Ontologies are the key concept to do so
They are based on the social agreement
There are several ways to express ontologies
RDFS defines a small vocabulary ...
It can be easily used to define other vocabularies
Like in our example ...
It is based on RDF/XML vocabulary
It allows us to be more explicite in what we define – see example ...
.. And DLs
OWL as W3C recommendation
There are two kinds:
enabling technologies like e.g.
End-user applications
Today we will present the new emerging ones – Semantic Digital Libraries
They aim to integrate information coming from different sources
SDLs provide interoperability mechnisms – and can act as an integration champions in heterogeneous networks of libraries
But the **ultimate goal** is to provide better service for the end user – that is search and browsing features
Although they are so different – they can be represented in RDF
Although they are so different – they can be represented in RDF
Although they are so different – they can be represented in RDF
Although they are so different – they can be represented in RDF
schemas and metadata structures. The central concept of CIDOC is that knowledge is attained
by investigating relations between the facts. Therefore, the ontology concentrates on the
definition of relationships between items rather then the terminology of a particular domain.
The core ontology defines a set of very general classes (e.g. actor, event, period) and supplies a
variety of relationship descriptions that can adjust the concepts understanding for a particular
environment. Apart of the content preservation and summery CIDOC provides the concept
of events, such as creation, publication, etc. Therefore, with regard to digital libraries, it
is possible to utilize CIDOC to talk in detail about items content and their bibliographic
description.
They were build for librarians
They were delivering information – not sharing knowledge
DLs lost the human-part
Make users involved in the process
Allow users to share knowledge
Provide better communication means witin and outside of communities
What are in **general** tools technologies that we can call Web 2.0
... And there are social semantic digital libraries finally :D
2)Its relation to DSpace
3)Its goal
Enhanced end-user services
Web-based architecture for digital assets dissimination
Two categories of components – that we will describe in details later
Two categories of components – that we will describe in details later
Two categories of components – that we will describe in details later
- describe ontologies and system architecture
- sebastian will take over
- after lunch you will have chance to get your hands on the newest version- let’s get started
- users create their own customizations and at the same time influence the the main line of development
- we defined two questions in our research
- thus we tried to find the best way to integrate ...- interconnect
- we can observe that those requirements are strongly based on the the legacy libraries
- motivations based on the use case scenarios
That is where SSCF comes into place
- domains:
- FOAFRealm extends FOAF vocabulary with the notion of friendship level properties
- the community-aware ontology enables JeromeDL to describe social’s network information
- library resource as a bookmark (SSCF) - common practice of bookmarking,
- SSCF enables users to share their bookmarks with others, as well as annotate directories with keywords and domains- library resource as a Blog entry- users can comment a resource, thus providing new knowledge to the library
tagging connects taggera, with document, with termg
community annotations for multimedia (currently in alpha stage)
the goal is to allow tagging in any type of documents
region of interest (ROI) tagging in photos
time-tagging of video streams
tags can contain descriptions, keywords, links and cross references
Well – he was the first librarian to develop a very complicated controlled vocabullary for describing resources.
It consisted out of **one** word Ook – with various modifications like „Oook”, „gook”, „eek”, „eeek”.