We present a functional model for the analysis of large volumes of detailed transactional data, accumulated over time. In our model, the data schema is an acyclic graph with a sing...
Context is any information used to characterize the situation of an entity. Examples of contexts includetime, location, identity, and activity of a user. This paper proposes a gene...
Hicham G. Elmongui, Walid G. Aref, Mohamed F. Mokb...
View materialization is known to be a valuable technique for performance optimization in relational databases, and much work has been done addressing the problem of consistently m...
This paper describes a framework to support the implementation of web-based systems to manipulate data stored in relational databases. Since the conceptual model of a relational da...
In Deep Web data integration, some Web database interfaces express exclusive predicates of the form Qe = Pi(Pi ∈ P1, P2, . . . , Pm), which permits only one predicate to be selec...