27.06.2013 Views

learning - Academic Conferences Limited

learning - Academic Conferences Limited

learning - Academic Conferences Limited

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Antonios Andreatos<br />

knowledge space, called the Workplace Learning Context. LOs stored in the knowledge space,<br />

encoding the organisation's knowledge, are assigned a number of concepts from a domain-specific<br />

ontology in the form of metadata. The system keeps a historical <strong>learning</strong> profile for each employee<br />

based on tasks performed in the past; then it uses this profile to find and propose LOs related to<br />

competencies needed in order to successfully carry out future assigned tasks (Ley et al., 2008: p.<br />

2103).<br />

Figure 2: Search results from the “Help” of OpenOffice suite are based on metadata<br />

From the above examples it comes out that a proper metadata assignment and process scheme can<br />

greatly facilitate the search of proper LOs, as well as, the construction of proper courses tailored to<br />

specific or personalised needs.<br />

But when it comes to OER from various sources, by various authors, made to cover different needs,<br />

with minimum and incompatible metadata, there is a problem. Τhere is a great difficulty to classify,<br />

search and recover LOs according to specific criteria; moreover, there is no uniformity, no quality<br />

guarantee, nothing. The following three figures show metadata concerning LOs about Stakeholder<br />

Analysis from three different repositories.<br />

As Andreatos & Katsoulis (2011) have noticed, there is also a lot of good quality educational LOs in<br />

New Media formats (flash content, presentations, webcasts, podcasts etc.), stored in general-purpose<br />

New Media sites such as YouTube. All resources stored in YouTube are accompanied by metadata<br />

information, as well as, statistics such as number of views, “likes” and “dislikes” and users' comments.<br />

Another important feature of YouTube is the projection of related videos. It is noticeable that famous<br />

universities and university professors maintain their own New Media channels (Figure 6).<br />

28

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!