Semantics in Adaptive and Personalised Systems by Pasquale Lops & Cataldo Musto & Fedelucio Narducci & Giovanni Semeraro

Author:Pasquale Lops & Cataldo Musto & Fedelucio Narducci & Giovanni Semeraro
Language: eng
Format: epub
ISBN: 9783030056186
Publisher: Springer International Publishing

Figure 4.18 shows the same fragment of the ontology and shows an item modeled by following the structure of the ontology.

Fig. 4.18A tiny portion of the Movie Ontology with instances

The advantages of such a representation are manifold. Indeed, each feature has a nonambiguous meaning which is formally defined and which facilitates a shared understanding of the knowledge about the domain. Moreover, by using the ontological structure, it is possible to enable reasoning mechanisms: as an example, looking at the explicit relationships defined among genres in Fig. 4.19, it is possible to reason on the preferences and to infer that a user interested in The Matrix, which belongs to the SciFi_and_Fantasy genre, could be also interested in Imaginational_Entertainment and potentially in Logical_Thrilling genres.

Fig. 4.19Genre class hierarchy in Movie Ontology

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