Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
: Innovative technische Konzepte des Data Warehousing, OLAP und Data Mining begleiten eine zunehmende strategische Ausrichtung der Informationsverarbeitung mit einer stärkeren Fok...
: XML is the upcoming standard for internet data. Java is the most important programming language for internet applications. Nevertheless, in today’s languages and tools there is...
Abstract: Some emerging trends in the recent development of the WWW can be observed. These trends are technical, like Web Services, as well as semantic, like the integration of ont...
: A recent article introduced partitioned B-trees, in which partitions are defined not in the catalogs but by distinct values in an artificial leading key column. As there usually ...
Abstract: Optimization of nested queries, in particular finding equivalent “flattened” queries for queries that employ the SQL sub-query construct, has been researched extensiv...
: Due to the ever increasing impacts of globalization, people will/have to work on data which is distributed all around the world [LKK+ 97]. Query processing on the corresponding d...
: Digitale Bibliotheken lassen sich als organisierte Sammlungen digitaler (multimedialer) Dokumente charakterisieren. Sie erm¨oglichen Anbietern die Verwaltung und Konsumenten den...