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Currencies like dollars and Euros are not the only way to recognise and track work done and contributions to the social good. Local, community currencies such as LETS and timebanks facilitate trading in communities all over the world. Such currencies
The long term goals of DrupalEd are to support a variety of different installation profiles to meet different needs within schools, universities, and learning organizations.
Graphviz Filter is a fun little filter that treats input text as Graphviz DOT syntax, converts it using Graphviz tools to the requested format(s) and embeds it in HTML. It's useful to quickly create graphs dynamically from within Drupal nodes. A particularly exciting application is to create an input format consisting of PHP code followed by Graphviz Filter, thereby allowing one to write code that outputs a DOT file, which is then rendered to HTML. For example, one could create a visual taxonomy tree with nodes hanging from the terms, and each visual node would be clickable (using the URL Graphviz attribute) to point to the actual Drupal node. Stuff like that!
SPARQL is a query language for pattern matching against RDF graphs. The syntax resembles SQL, making for a friendly learning curve, but SPARQL is far more powerful, enabling queries spanning multiple disparate (local or remote) data sources containing heterogeneous semistructured data.
This is a module that enables the use of SPARQL queries with the RDF API for Drupal 6.x. For more information, read the introductory posting or watch the demo video. Be sure to subscribe to the Semantic Web group on groups.drupal.org to keep up with the latest happenings.
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