The most common interactions are
- Accessing resources
- Merging resources
Distinguishing interactions means looking at user requirements, resource properties used, and the legal, social and organizational environment.
To enable interactions, it is necessary to identify, describe, and sometimes transform resources.
One approach to resource transformation is to use a crosswalk which are equivalence tables that relate resources from one organizing system to another
Another is to use data mapping, in which descriptions layers are compared and matched using either unidirectional or bidirectional links. This allows us to bridge the vocabulary problem in which different people refer to the same concepts slightly differently.
As for evaluation criteria, generally the most important aspects are
- Efficiency (timeliness and cost)
- Effectiveness (accuracy and relevance of results)
- Satisfaction (user sentiment)