Listar por autor "Karanikolas, N. N."
Mostrando ítems 1-4 de 4
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Assessment of language skills weaknesses and their confrontation through personalized e-lessons
(2011)This paper focuses on the problem of limited personal development, or even social isolation, as a result of poor knowledge and weaknesses in the use of language. So far, Computer-Assisted Language Learning (CALL) is the ... -
Comparison of post-relational and object-relational modelling for real-world database applications
(2014)Purpose – The purpose of this paper is to compare the use of two Object-Relational models against the use of a post-Relational model for a realistic application. Although real-world applications, in most cases, can be ... -
Conceptual universal database language: Moving up the database design levels
(2009)Today, the simplicity of the relational model types affects Information Systems design. We favor another approach where the Information System designers would be able to portray directly the real world in a database model ... -
Join-queries between two spatial datasets indexed by a single R*-tree
(2011)A spatial join, a common query in Spatial Databases and Geographical Information Systems (GIS), consists in testing every possible pair of data elements belonging to two spatial datasets against a spatial predicate. This ...