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Knowledge Engineering and the Web
Published on Oct 19, 20141819 Views
The Web can be viewed as a vehicle for knowledge democracy. Several technologies have been developed to support knowledge transfer via the Web, including languages like RDF, OWL and SKOS. We discuss t
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Chapter list
Knowledge engineering and the Web00:00
Overview of this talk00:27
My journey knowledge engineering02:07
My journey access to digital heritage02:52
My journey Web standards03:34
A few words about Web standardization04:14
Example: W3C RDF 1.1 group06:17
Web Data Representation06:51
Caution06:55
HTML5: a leap forward08:04
RDF: triples and graphs09:21
RDF: multiple graphs10:17
RDF syntaxes11:58
Data modeling on the Web14:02
Writing in an ontology language does not make it an ontology!15:47
SKOS: making existing vocabularies Web accessible16:43
The strength of SKOS lies in its simplicity18:46
Beware of ontological overcommitment19:45
Knowledge on the Web: Categories20:25
The concept triad20:39
Categorization21:41
Categories (Rosch)22:38
Basic-level categories23:53
FOAF: Friend of a Friend25:54
Dublin Core: metadata of Web resources27:37
Iconclass categorizing image scene28:12
schema.org categories for TV programs29:27
schema.org issues30:17
The myth of a unified vocabulary32:09
Category alignment vs. identity disambiguation33:08
Alignment techniques34:37
Alignment evaluation36:27
Limitations of categorical thinking37:39
Be modest! Don’t recreate, but enrich and align38:47
Amsterdam Museum39:31
Issues in conversion to Linked Data39:58
Man bijt hond - 140:45
Man bijt hond - 242:20
Waisda?42:57
Nichesourcing: finding the right minority vote43:24
Accurator45:08
Using Knowledge: Visualization And Search45:10
Mobile museum tour45:14
Visualising piracy events47:01
Extracting piracy events from piracy reports & Web sources48:19
Enriching description of search results49:09
Sample graph search algorithm49:55
Graph search51:05
Example of path clustering51:34
Using alignment in search51:38