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It could become even more
powerful
-
We could add extra knowledge to the merged datasets
-
- e.g., a full classification of various type of library
data
- geographical information
- etc.
-
This is where ontologies
, thesauri
,
extra rules
, etc, come in
-
- ontologies/rule sets can be relatively simple and small,
or…
- huge …
- or anything in between…
-
Even more powerful queries can be asked as a result
-
- e.g., in case of large ontologies the emphasis of queries may
be drawn with the help of specialized engines