Hyper-Text Structured Query Language (HTSQL) is a standardizable middleware component that translates a HTTP request into an SQL query, performs the query against a relational dat...
Data cubes for OLAP (Online Analytical Processing) often need to be constructed from data located in several distributed and autonomous information sources. Such a data integratio...
The parametric data model captures an object in terms of a single tuple. This feature eliminates unnecessary self-join operations to combine tuples scattered in a temporal relatio...
XML is becoming one of the most influential standards concerning data exchange and Web-presentations. In this paper we present a visual language for querying and transforming XML...
Abstract. XML views can be used in Web applications to resolve incompatibilities among heterogeneous XML sources. They allow to reduce the amount of data that a user has to deal wi...
Hanna Kozankiewicz, Jacek Leszczylowski, Kazimierz...