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Location: Amsterdam, Netherlands
Work: Semantic Web Due to my the project I am currently working on, from the Semantic Web research area I am particularly interested in several issues regarding entities, namely: - the concept of context-free entities: limitations, drawbacks. Is identity between two entities a matter of context? - entity-based data integration, i.e. in how to integrate different knowledge sources once it is known that they refer to the same entity. Do we have to be careful to avoid inconsistencies? Should we use a quality mechanism able to discard less trustworthy information in case of conflicts? - entity identifiers: issues related to the identifier lifecycle such as how to guarantee persistency of identifiers when new knowledge causes the view on a particular entity to change (e.g. when we discover one entity is a duplicate of another one and its identifier should not be used) The domain where I want to apply this research is Bioinformatics and News. The former has a long experience in identifiers, while the latter is more open-ended in the sense that news can be about everything
Work: Semantic Web Due to my the project I am currently working on, from the Semantic Web research area I am particularly interested in several issues regarding entities, namely: - the concept of context-free entities: limitations, drawbacks. Is identity between two entities a matter of context? - entity-based data integration, i.e. in how to integrate different knowledge sources once it is known that they refer to the same entity. Do we have to be careful to avoid inconsistencies? Should we use a quality mechanism able to discard less trustworthy information in case of conflicts? - entity identifiers: issues related to the identifier lifecycle such as how to guarantee persistency of identifiers when new knowledge causes the view on a particular entity to change (e.g. when we discover one entity is a duplicate of another one and its identifier should not be used) The domain where I want to apply this research is Bioinformatics and News. The former has a long experience in identifiers, while the latter is more open-ended in the sense that news can be about everything
Hmmm,Dear Stefano,Thanks for joining.I certainly do not understand all of the above, but suspect inconsistencies themselves represent another source of information; they need to be recognised but not necessarily discarded when combining different sets of information; for archival databases (e.g. for ethnographic collections; plant specimen databases, etc.), inconsistencies can provide clues about how data was gathered and hence the existence of other errors or interesting aspects of history around the original collections and their role in developing the present state of knowledge.That said, at some point, information has to be discarded, otherwise we would be never even dare to remove the dust that settles on a collection...Cheers, Peter