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containing a list of arguments whose semantics are linked to the order of
enumeration. Let us note that the most frequently encountered arguments are
complements of direct objects, complements of indirect objects and circumstantial
complements of time or space.
Figure 4.8. Simplified representation of the four cases of n-ary
relations of the W3C
- N-ary relations and spatial, temporal and thematic information
Let us take an information need that targets the commune of Pagolle and the
musical instruments. Let us now consider a document in which the sentence “He
finished his hiking in Pagolle at the inn of Platane from where a txistu tune was
coming” has enabled its matching with the spatial and thematic criteria of the query.
We can see that, as very frequently, this sentence may be associated with several
combinations of W3C cases. Indeed, the first part of the sentence “He finished his
hiking in Pagolle at the inn of Platane” arises from case no. 3, whereas the complete
sentence arises from case no. 2 because “from where a txistu tune was coming” is an
additional piece of information, which is applied to the object “inn of Platane” used
as an argument in the first part of the sentence.
This example of case no. 2 illustrates well a relation between the thematic
information present in the last argument of the sentence and the spatial information
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