Altri link e informazioni
1. Ieri ho scoperto Semanlink; in parte e per certi versi è simile a quello che avevo in mente quando parlavo di RDF(S) e folks ontology:
It is a tagging utility, based on RDF, that can be used to add tags (and other RDF metadata) to files, bookmarks, and to short notes that it allows to write, organize and display.
But Semanlink also provides a simple way to organize your tags in a graph: each tag may have several “parents” and “children”, as well as other RDF properties. Tagging the tags allows you to incrementally define the vocabulary you use to annotate documents. This way, you model your own representation of concepts and their relations. Semanlink provides a GUI to easily navigate through the graph of tags. And of course, the taxonomy you build is used when searching: for instance, a document tagged with “RDF” will be found when searching for “Semantic Web”.
2. Davvero molto interessante questa analisi cognitiva che spiega i processi mentali che guidano il tagging e la categorizazione evidenziando la differenza tra le decisoni di categorizzazione che facciamo quotidianamente e la categorizzazione digitale:
[...] In the digital world, we don’t just categorize an object, we also optimize its future findability. We need to consider not just the most likely category, but also where we are most likely to look for the item at the time of finding. These two questions might lead to conflicting answers, and complicate the categorization process.
Also, with digital objects, it’s not just adhoc categorization – put an object into a category, any category that comes to mind. We need to consider the overall categorical scheme. Is my scheme becoming unbalanced? Do I have too many items in one category, and too few in another? If I put everything in one category, I will never be able to find anything.
[...] Start thinking of all this and you land into “post activation analysis paralysis”. A state of fear that you will make the wrong decision. And the item will be lost forever – it will land in some deep well, some hard to access branch of the tree and disappear from your view and attention.
[...] why is tagging simpler. In my opinion, tagging eliminates the decision – (choosing the right category), and takes away the analysis-paralysis stage for most people. (Note that some people might still freeze up in deciding between different tags, or figuring out ways to optimize future findability. These are valid concerns that tagging systems can address better than they do now).
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