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BTW
2009
Springer
93views Database» more  BTW 2009»
13 years 8 months ago
Die Migration von Hibernate nach OpenJPA: Ein Erfahrungsbericht
: Persistenzframeworks sind komplexe Softwarelösungen für die Speicherung und das Auffinden von Objekten in relationalen Datenbanken. Immer wichtiger für die Weiterentwicklung s...
Uwe Hohenstein, Michael C. Jäger
BTW
2009
Springer
114views Database» more  BTW 2009»
13 years 8 months ago
An Architecture for Integrated Operational Business Intelligence
: In recent years, Operational Business Intelligence has emerged as an important trend in the Business Intelligence (BI) market. While sharing some obvious features with “traditi...
U. Christ
BTW
2009
Springer
97views Database» more  BTW 2009»
13 years 8 months ago
Priorisierte Verarbeitung von Datenstromelementen
: Datenstrommanagementsysteme, die effizient und skalierbar viele Anfragen gleichzeitig auf kontinuierlichen Daten auswerten k¨onnen, sind eine vielversprechende Technologie f¨u...
Jonas Jacobi, Andre Bolles, Marco Grawunder, Danie...
BTW
2009
Springer
132views Database» more  BTW 2009»
13 years 9 months ago
A Bayesian Approach to Estimating the Selectivity of Conjunctive Predicates
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
M. Heimel, Volker Markl, Keshava Murthy
BTW
2009
Springer
118views Database» more  BTW 2009»
13 years 9 months ago
Easy Tasks Dominate Information Retrieval Evaluation Results
: The evaluation of information retrieval systems involves the creation of potential user needs for which systems try to find relevant documents. The difficulty of these topics dif...
Thomas Mandl
BTW
2009
Springer
153views Database» more  BTW 2009»
13 years 9 months ago
Now it's Obvious to The Eye - Visually Explaining XQuery Evaluation in a Native XML Database Management System
Abstract: As the evaluation of XQuery expressions in native XML database management systems is a complex task and offers several degrees of freedom, we propose a visual explanation...
Andreas M. Weiner, Christian Mathis, Theo Här...
BTW
2009
Springer
146views Database» more  BTW 2009»
13 years 11 months ago
Towards Flash Disk Use in Databases - Keeping Performance While Saving Energy?
Abstract: Green computing or energy saving when processing information is primarily considered a task of processor development. We, however, advocate that a holistic approach is ne...
Theo Härder, Karsten Schmidt 0002, Yi Ou, Seb...
BTW
2009
Springer
142views Database» more  BTW 2009»
13 years 11 months ago
Bridging the Gap between Variability in Client Application and Database Schema
: Database schemas are used to describe the logical design of a database. Diverse groups of users have different perspectives on the schema which leads to different local schemas. ...
Norbert Siegmund, Christian Kästner, Marko Ro...
BTW
2009
Springer
119views Database» more  BTW 2009»
13 years 11 months ago
On the Need of Data Management in Automotive Systems
Abstract: In the last decade, automotive systems changed from traditional mechanical or mechatronical systems towards software intensive systems, because more and more functionalit...
Sandro Schulze, Mario Pukall, Gunter Saake, Tobias...