Week 4 Flashcards
An association between different things, where the association has a particular meaning is called…
relationship.
A verb phrase template for specifying properties of objects or a relationship among objects is called…
a predicate.
In terms of what two semantic properties can we express the equivalence relation?
transitivity + symmetry
What are the architectual properties of a relation?
degree/arity (number of types in a relation), cardinality (number of instances), directionality
A less specific, more general class, is called a…
hypernym.
A more specific, less general class, is called a…
hyponym.
An entity that is described by a part or something that is contained within it is called…
metonym (example: white house as a metonymy for us government).
A word has different meanings or senses is called…
polysemy.
A lexical database of the English language that contains different synsets for words is…
WordNet
The inclusion of a resource into another digital resource, by reference, resulting in a single document composed of multiple resources is called…
transclusion.
A relationship between two entity types, where one is contained in and thus more specific than the other more generic one is called…
class inclusion
A hierarchy resulting from the interconnected class inclusion is called…
a taxonomy.
What are the differences between aggregation and generalisation?
Aggregation is an AND-tree vs. OR-tree of generalisation. instance tree (agg) vs. class tree (gen)
A subproperty of a transitive property is transitive per definition. True or False
False
Part-whole relation is based on which three distinctions?
Homeomerous (parts are the same as the whole), configurability (functional/structural relation with the whole), invariance (parts can be separated from the whole)
