The rapid development of Information and Communication Technologies has provided a well sophisticated environment to develop the digital libraries. A digital library is a large-scale, organized collection of complex and dynamic multimedia information and knowledge, and tools and methods to enable search, manipulation and presentation of this information and knowledge via Internet. User-Centered...

The role of libraries in supporting learning is virtually unquestionable. Research indicates that much learning in life is often in informal settings. It is interesting to note that mobile computing affords a great opportunity for supporting such learning. Not only are we living in a "mobile age" or "ubiquitous age", but we are also living in a "digital age". Even as we acknowledge the window o...

Currently, there exist a large number of superb digital libraries, all of which are, unfortunately, vertically integrated and all presenting a monolithic interface to their users. Ideally, a user would want to locate resources from a variety of digital libraries dealing only with one interface. A number of approaches exist to this interoperability issue exist including: defining a universal pro...