Constructing digital libraries with quality.

Digital Libraries can be considered islands of specialized collections on the Web, which have their own management policy to control publishing and access, offering an environment where the data are structured to allow information retrieving with quality (unlike the general Web). A pattern usually applied to describe metadata on Internet (and encouraged by W3 Consortium) is Dublin Core. This paper describes a methodology created to publish three Digital Libraries, which adopts Dublin Core and a video transmission policy, intending to increase even more the quality offered by these libraries. A Database was necessary to store these metadata. Finally, a retrieval mechanism was implemented, adopting the oriented object software pattern, called Model-View-Controller. Due to large size of videos from digital libraries, we adopted a video transmission policy distributed in Brazil.