Beyond finding and reading the bits, problems of interpreting them are common across different kinds of data, remarked Jerome Saltzer, and are emblematic of the historian's challenge. Shared artifacts and information were part of the rationale for building digital libraries. Future projects may involve spaces for collaboration as well as for artifacts, and evolving perspectives about what people want to do and how this will affect the design and architecture of systems. In the world of streams, we have spent a long time talking about text. Now we are moving to multimedia, oral, and other kinds of representations.
Structures is another area.
We sometimes talk about syntax as an example, and we have spent a lot of time focusing on databases. We call them unstructured because we do not know how to deal with them properly. The third aspect here is spaces. We have also heard today about methodological spaces, emotional spaces, collaborational spaces, and cultural spaces. The fourth aspect is scenarios.