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Government reports predict that in the year 2000 , on-line commerce in the U.S. alone will exceed 15 billion dollars per year , and the sales of security software will exceed two billion dollars per year . According to IMF statistics , in 2004 Uganda 's GDP per-capita reached 300 dollars , a much higher level than in the Eighties but still at half of Sub-Saharan African average income of 600 dollars per year . Sessions in the third track focused on new architectures and frameworks for building digital libraries , as well as discussed emerging algorithms and techniques for improving information retrieval , automatic approaches for resource and collection characterization , and applications of machine learning to a rich variety of digital library problems . It would aid our studies if we could say that wherever assigns are to get the benefit of a covenant as privies in estate with the covenantee , they must be mentioned in the covenant . Topics for presentation and discussion include presenting content on the web , digital preservation , institutional repositories , digital library architecture , content models , workflow management of projects and related issues .