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BTW
2015
Springer
14views Database» more  BTW 2015»
5 years 7 months ago
Bestimmung von Datenunsicherheit in einem probabilistischen Datenstrommanagementsystem
: F¨ur die kontinuierliche Verarbeitung von unsicherheitsbehafteten Daten in einem Datenstrommanagementsystem ist es notwendig das zugrunde liegende stochastische Modell der Daten...
Christian Kuka, Daniela Nicklas
BTW
2015
Springer
12views Database» more  BTW 2015»
5 years 7 months ago
Erzeugung kalibrierter, metrischer Distanzen mittels multidimensionaler Skalierung
: Für den Vergleich von Objekten, seien es Texte, Bilder etc, werden in der Regel Ähnlichkeiten bzw. Distanzen bzgl. verschiedener Eigenschaften (z.B. Kanten-, Farb-, Texturfeatu...
Thomas Böttcher, Ingo Schmitt
BTW
2015
Springer
12views Database» more  BTW 2015»
5 years 7 months ago
Placement-Safe Operator-Graph Changes in Distributed Heterogeneous Data Stream Systems
: Data stream processing systems enable querying continuous data without first storing it. Data stream queries may combine data from distributed data sources like different sensor...
Niko Pollner, Christian Steudtner, Klaus Meyer-Weg...
BTW
2015
Springer
22views Database» more  BTW 2015»
5 years 7 months ago
AutoShard - a Java Object Mapper (not only) for Hot Spot Data Objects in NoSQL Data Stores
Abstract: We demonstrate AutoShard, a ready-to-use object mapper for Java applications running against NoSQL data stores. AutoShard’s unique feature is its capability to graceful...
Stefanie Scherzinger, Andreas Thor
BTW
2015
Springer
14views Database» more  BTW 2015»
5 years 7 months ago
Relationships for Dynamic Data Types in RSQL
Abstract: Currently, there is a mismatch between the conceptual model of an information system and its implementation in a database management system (DBMS). Most of the conceptual...
Tobias Jäkel, Thomas Kühn 0001, Stefan H...
BTW
2015
Springer
9views Database» more  BTW 2015»
5 years 7 months ago
Schema Extraction and Structural Outlier Detection for JSON-based NoSQL Data Stores
: Although most NoSQL Data Stores are schema-less, information on the structural properties of the persisted data is nevertheless essential during application development. Otherwis...
Meike Klettke, Uta Störl, Stefanie Scherzinge...
BTW
2015
Springer
13views Database» more  BTW 2015»
5 years 7 months ago
Big Data-Zentren - Vorstellung und Panel
ct Zur Erforschung der verschiedenen Facetten von ” Big Data“ wurden j¨ungst drei Zentren gegr¨undet. Hierbei handelt es sich um die vom Bundesministerium f¨ur Bildung und F...
Volker Markl, Erhard Rahm, Wolfgang Lehner, Michae...
BTW
2015
Springer
15views Database» more  BTW 2015»
5 years 7 months ago
Optimization of Continuous Queries in Federated Database and Stream Processing Systems
: The constantly increasing number of connected devices and sensors results in increasing volume and velocity of sensor-based streaming data. Traditional approaches for processing ...
Yuanzhen Ji, Zbigniew Jerzak, Anisoara Nica, Grego...
BTW
2015
Springer
16views Database» more  BTW 2015»
5 years 7 months ago
Optimizing Sequential Pattern Mining Within Multiple Streams
: Analyzing information is recently becoming much more important than ever, as it is produced massively in every area. In the past years, data streams became more and more importan...
Daniel Töws, Marwan Hassani, Christian Beecks...
BTW
2015
Springer
17views Database» more  BTW 2015»
5 years 7 months ago
Energy and Performance - Can a Wimpy-Node Cluster Challenge a Brawny Server
: Traditional DBMS servers are often over-provisioned for most of their daily workloads and, because they do not provide energy proportionality, waste more energy than necessary. A...
Daniel Schall 0002, Theo Härder
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