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Paul Libbrecht

Find all blog entries created by Paul Libbrecht. I2geo members can add a comment on any blog entry.

Announce : Intergeo platform, GeoSkills ontology, LOM schema

… sharing pedagogical mathematical resources throughout Europe.

The Intergeo European Project (http://inter2geo.eu/) is pleased to announce a progress milestone of the Intergeo platform together with GeoSkills ontology and a LOM export.

The Intergeo Platform

The platform now features a few luxury facilities that support sharing open-content learning material and interactive geometry:

  • contribute and search for interactive geometry related resources accross the languages and curriculum standards of Europe (based on the GeoSkills and structured by the i2geo metadata)
  • display of interactive geometry constructions out of the box (for 8 systems)
  • revised information edition tools which are simpler and faster
  • display of the history of a resource
  • ranking of search results by review results and by weight of reviews

The GeoSkills Ontology

The GeoSkills ontology is an effort at encoding the competencies, topics, and educational levels of the mathematics curriculum standards throughout Europe. Its main purpose is to be the language of annotation and query of the resources of i2geo, the intergeo platform. It is the main ingredient of its cross-curriculum search.

It provides means to:

  • give an OWL-DL mathematical semantics to competencies and topics, that can be used by a reasoner like Pellet.
  • provide various denominations for these competencies and topics, enabling localisation and levels of denomination
  • edit competencies and topics online, thanks to CompEd competency editor (Apache Public License and creative commons attributions sharealike) for curriculum encoders and teachers
  • semantically annotate i2geo resources on the intergeo platform with GeoSkills nodes
GeoSkills is distributed open-source and open-content, more info is at http://i2geo.net/xwiki/bin/view/About/GeoSkills .

GeoSkills is operationalized as an annotation and search language for the platform; it can be accessed by search or by browsing concrete curriculum-standards and clicking on relevant parts. Geoskills is used as the topic and educational level fields of the Intergeo metadata schema.

Intergeo Metadata Schema

The i2geo metadata schema was developed by the Intergeo consortium for use by various Dynamic Geometry Software. Specifically, it will be used on the platform.

The i2geo metadata schema is a LOM application profile. As such, it is (partially) compatible with other metadata schemas of this type. The metadata consists not only of standard bibliographic information, but also contains pedagogical information relevant for users such as teachers that want to find resources appropriate for their classes. An average rating by other users of a resource can give an extra indication of quality. And detailed Competencies & Topics in geometry information, which is based on an ontology.

More info about its schema and how it can be exploited is at http://i2geo.net/xwiki/bin/view/About/I2GMetadata .

Contribute to Intergeo Progress!

Intergeo is a project co-funded by the EU and has been running a platform since 2007.

I2Geo currently displays:

  • 1829 interactive geometry resources. These resources each have their LOM record and their annotations.
  • 653 members
  • 15 groups

The GeoSkills ontology is currently composed of

  • 596 classes
  • 44 properties
  • 705 axioms
  • 2572 individuals mainly representing specific mathematical competencies
  • … and comes with curriculum standards for Spain, parts of France, the Netherlands, and for the Czech Republic
The quality team of our project has been exploring best-practices for sharing interactive geometry on the web and provided recommendations for sustainable sharing practices. Our aim is not only to end up with resources that are easy to play but also easy to be re-used and improved to suit one's own objectives.

You can contribute to our effort by discussing about the platform and resources, providing resources, reviewing existing ones, enhancing the Geoskills ontology with translations or new curriculum or competencies.


Questions to be prepared for experts validation

See draft at the chat lines of http://fm.ea-tel.eu/fm/dccdb0-19925 .


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