Topic 8: Social Semantic Web Flashcards

(9 cards)

1
Q

Semantic Web

A

Extension of the web that adds semantics to web components to enable machines to understand and interpret web content through

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2
Q

OWL

A

(Web Ontology Language)
Formal language for defining ontologies

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3
Q

SPAQRL

A

Query language. Retrieves and manipulates RDF formatted data

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4
Q

Linked Data

A

onnecting data from different sources on the web using standardised methods.

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5
Q

5 Stars of Linked Data

A

★ Make data available under an open licence

★★ As above, but with machine-readable structured data e.g. Excel instead of images of a table

★★★ As above, but with a non-proprietary format e.g. CSV instead of Excel

★★★★ As above, but using W3C standards (RDF, SPARQL) so others can point to your data

★★★★★ As above, but linked to other people’s data to provide context

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6
Q

SKOS

A

Single Knowledge Organisation System (SKOS)

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7
Q

SKOS Semantic Relationships

A
  • Broader: One concept is more general than another
  • Narrower: One concept is more specific than another
  • Related: Non-hierarchical between concepts that share some degree of semantic connection
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8
Q

SKOS Mapping Relationships

A
  • Exact Match: Precise equivalence between two concepts
  • Close Match: Close correspondence between two concepts
  • Broad Match: One concept encompasses the meaning of another but not vice versa
  • Narrow Match: One concept is more specific instance of another but not vice versa
  • Related Match: Concepts are related in some way but not hierarchical
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9
Q

FOAF

A

Friend of a Friend. Describes people and their relationships
Not Domain specific

Relationship examples:
- knows
- friendOf
- memberOf
- based_near
- account

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