Using those profiles As an individual, if I could capture the information that's flowing through my del.icio.us plus Flickr, Bloglines, Google Calendar, Amazon Wishlist even... plus LinkedIn etc - together with my own blog, personal notetaking/wiki/code repository, todo lists, plans etc, and integrate all this in a triplestore, and front it with some kind of Planet/Longwell hybrid (with a little bit of access control), it would be a hugely useful personal knowledge management system.
Using labels to give semantics to tags - Design Issues This article discusses how the user interface metaphor of a luggage label cam used to associate metadata from well-defined ontology with tags from a particular context.
I heard of one online community which was considering making a system to allow one formally to state when one has committed to use a given tag in the same way as another person, or growing mesh of people. That would be a very interesting feature, as it would allow a useful definition to gain growing acceptance, to progressively move from being a private idea to being a group global standard.
tagtriples from Phil Dawes 'tagtriples' - a experimental format for exchanging and aggregating structured metadata. It's based on RDF ideas, but emphasises simplicity over precision. 2005-03-23
FaceTag: Integrating Bottom-up and Top-down Classification in a Social Tagging System Facetag is a working prototype of a semantic
collaborative tagging tool conceived for bookmarking
information architecture resources. It aims to show how the
widespread homogeneous and flat keywords' space of tags can be
effectively mixed with a richer faceted classification scheme to
improve the “information scent” and “berrypicking” capabilities
of the system. The additional semantic structure is aggregated
both implicitly observing user behaviour and explicitly
introducing a compelling user experience to facilitate the
creation of relationships between tags directly by end-users.
Facetag current implementation is written in PHP / SQL and
includes an open API which allows querying and integration
from other applications.
Decent outliner still wanted "Until recently I'd drop little notes into a local Wiki (or this blog), but my Wiki's got to the stage where it needs a lot of gardening, so I've reverted to mostly text notes (Aquamacs emacs). What's lacking is the ability to tag/file these in a useful fashion (to get the benefit of SemWeb tech)."
Folksonomies: Tidying up Tags? We begin by looking at the issue of "sloppy tags", and ask if there are ways the folksonomy community could offset such problems and create systems that are conducive to searching, sorting and classifying. We then go on to question this "tidying up" approach and its underlying assumptions, highlighting issues surrounding removal of low-quality, redundant or nonsense metadata, and the potential risks of tidying too neatly and thereby losing the very openness that has made folksonomies so popular.
Semantic World and Cyberspace: the heart of gnowsis Connecting data bits from here and there to an information space for yourself. ...Personal ontologies, where you express your mental model and link it to data. Not just data: data with meaning to people.
Burningbird » Portable Data This is the true power of RDF over relational: relational doesn’t work well with isolated, discrete objects, while RDF does. It is a truly portable database. Anyone can drop the data in at their sites without worry about having to create a database, or manage it. As for portability: how easy can you copy files?