Archive for the ‘Workshop’ Category

distutils implemented

Finally, I got the way to implement distutils into Vazaar. It lacks support for i18n/gettext but it is in the way. I’ve released a new tarball. You can launch it as developer inside your home with the command ./launch
But if you prefer a wide-system install, you must use the following command:
sudo python2.5 setup.py install
You can [...]

Dynamic SPARQL queries and Datatypes

After some headaches I’ve found how to write dynamic SPARQL queries by passing parameters. For example, to query graph about resources collected last hour this code could be a first approach:
#!/usr/bin/env python
# Dynamic query (example code)

from datetime import datetime
import rdflib
from namespaces import XSD

def last_day():
“”" get date “”"
now [...]

Querying remote ontologies from integrated SPARQL editor

Checking others parts of the Vazaar GUI, I’ve realized that I can query remote ontologies and vocabularies with a simple SPARQL sentence. In the screenshot you can see how I query for the comments of all NAO entities.
Just for the record, it would be nice to save user queries and integrate them within Vazaar. [...]

GUI improvements

After a long weekend coding and trying new design ideas finally I think I got a nice GUI. At least for the StartHere module:

There are still too much glitches in the GUI but I’m trying to fix them as I go. But for now, I feel satisfied. Queries against the model are working as expected.
After [...]

About Vazaar 0.4 Beta development

After months of improving my skills with Python and PyGTK and reading documents about semantic web and its integration with Desktops Interfaces (like GNOME or KDE) a lot of improvements have been made in Vazaar. This is an overview of the current state of development.
The presentation layer, the GUI, is more difficult to develop than [...]