| Vol-581 urn:nbn:de:0074-581-7 Copyright © 2010 for the individual papers by the papers' authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors.

# GvD-2010
Grundlagen von Datenbanken 2010

### Proceedings of the 22nd Workshop "Grundlagen von Datenbanken 2010"

### Bad Helmstedt, Germany, May 25-28, 2010.

Edited by

### Wolf-Tilo Balke *
Christoph Lofi *

* Institute for Information Systems, Technische Universität Braunschweig, 38106 Braunschweig, Germany

## Table of Contents

### Keynote Speakers

1. Surviving the Glut: The Management of Event Streams in Cyberphysical Systems
   Alejandro Buchmann
2. The Database as a Service
   Alfons Kemper
3. Preference Handling in Database Systems - Achievements and Challenges
   Werner Kießling

### Session 1: Database Design & Modeling

1. Subspace Clustering with Gravitation
   Jiwu Zhao
2. Aspektorientierte Datenhaltung – ein Modellierungsparadigma
   Matthias Liebisch
3. Delegation von Datenmanagement in Szenarien verteilter Verantwortlichkeiten
   Ralph Stuber

### Session 2: Query Processing & Optimization

1. Cost-Based Optimization of Regular Path Queries on Large Graphs
   André Koschmieder
2. Nutzung von Proxys zur Ergänzung von Datenbankfunktionen
   Alexander Adam, Sebastian Leuoth, Wolfgang Benn
3. Query Processing and Optimization using Compiler Tools
   Caetano Sauer, Karsten Schmidt, Theo Härder

### Session 3: Knowledge Extraction & Data Integration

1. Exploiting Social Ties for Search and Recommendation in Online Social Networks - Challenges and Chances
   Kerstin Bischoff
2. Towards an Update-Enabled Mediator System using Semantic Web Technology
   Stefan Haun, Sandro Schulze, Andreas Nürnberger
3. Recommendation-Based Evolvement of Dynamic Schemata in Semistructured Information Systems
   Eva Zangerle, Wolfgang Gassler

### Session 4: Business Processes & Workflows

1. Home Care Support from the Database Point of View
   Dortje Löper, Andre Peters, Andreas Heuer
2. Entwurf und Transformationskonzepte für flexible klinische Workflow Modelle
   Robert Kühn, Markus Bandt, Sebastian Schick, Ilvio Bruder, Andreas Heuer, Peter Forbrig
3. Quality of Service in Dynamic Business Process supporting Event-based Systems
   Stefan Appel, Kai Sachs, Alejandro Buchmann

### Session 5: Personalization

1. Group Preferences in Social Network Services
   Florian Wenzel, Werner Kießling
2. Eliciting Inductive User Preferences for Multimedia Information Retrieval
   David Zellhoefer
3. Preference Trade-Offs – Towards Manageable Skylines
   Christoph Lofi, Wolf-Tilo Balke

### Session 6: Data Quality

1. Skalierbare Datenqualität in anwendungsspezifischen Szenarien
   Matthias Virgin, Tobias Umblia, Andreas Heuer
2. Self-Adaptive Data Quality Web Services
   Tobias Vogel
3. Quality Assessment in Digital Libraries - Challenges and Chances
   Sascha Tönnies, Wolf-Tilo Balke

### Session 7: Energy-Aware Computing

1. Towards an Energy-Consumption Based Complexity Classification for Resource Substitution Strategies
   Hagen Hoepfner, Christian Bunse
2. True Energy-efficient Data Processing is Only Gained by Energy-proportional DBMSs
   Volker Hudlet

### Session 8: Distributed Systems

1. Challenges in Workload Analyses for Column and Row Storess
   Andreas Lübcke
2. Wissensextraktion im Rahmen des Grids
   Steffen Metzger

06-May-2010: submitted by Wolf-Tilo Balke
10-May-2010: published on CEUR-WS.org