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BTW
2015
Springer
12views Database» more  BTW 2015»
8 years 3 months ago
Sampling with incremental mapreduce
: The goal of this paper is to increase the computation speed of MapReduce jobs by reducing the accuracy of the result. Often, the timely processing is more important than the prec...
Marc Schäfer, Johannes Schildgen, Stefan De&s...
BTW
2015
Springer
24views Database» more  BTW 2015»
8 years 3 months ago
Preference Analytics in EXASolution
Abstract: Skyline queries and the more general concept of preferences are wellknown in the database community and there are many academic approaches for the computation of the best...
Stefan Mandl, Oleksandr Kozachuk, Markus Endres, W...
BTW
2015
Springer
7views Database» more  BTW 2015»
8 years 3 months ago
Implementierung von IR-Modellen auf Basis spaltenorientierter Datenbanken oder invertierter Listen
Abstract: Im Information Retrieval (IR) wird die Anwendung spaltenorientierter Datenbankmanagementsysteme (DBMS) diskutiert, um u.a. durch die Trennung von Datenhaltung und Suchlog...
Thomas Stadelmann, Daniel Blank, Andreas Henrich
BTW
2015
Springer
23views Database» more  BTW 2015»
8 years 3 months ago
Musical similarity analysis based on chroma features and text retrieval methods
: At the present day the world wide web is full of music. Highly effective algorithms for music compression and high data storage has made it easy to access all kind of music easil...
David Englmeier, Nina Hubig, Sebastian Goebl, Chri...
BTW
2015
Springer
24views Database» more  BTW 2015»
8 years 3 months ago
Kontinuierliche Evaluation von kollaborativen Recommender-Systeme in Datenstrommanagementsystemen
Cornelius A. Ludmann, Marco Grawunder, Timo Michel...
BTW
2015
Springer
28views Database» more  BTW 2015»
8 years 3 months ago
Improving search results in life science by recommendations based on semantic information
: The management and handling of big data is a major challenge in the area of life science. Beside the data storage, information retrieval methods have to be adapted to huge data a...
Christian Colmsee, Jinbo Chen, Kerstin Schneider, ...
RP
2015
Springer
8 years 3 months ago
A Topological Method for Finding Invariant Sets of Continuous Systems
Abstract. A usual way to find positive invariant sets of ordinary differential equations is to restrict the search to predefined finitely generated shapes, such as linear templ...
Laurent Fribourg, Eric Goubault, Sameh Mohamed, Ma...
RP
2015
Springer
8 years 3 months ago
Integer-Complete Synthesis for Bounded Parametric Timed Automata
Abstract. Ensuring the correctness of critical real-time systems, involving concurrent behaviors and timing requirements, is crucial. Parameter synthesis aims at computing dense se...
Étienne André, Didier Lime, Olivier ...
RP
2015
Springer
8 years 3 months ago
On Boundedness Problems for Pushdown Vector Addition Systems
Abstract. We study pushdown vector addition systems, which are synchronized products of pushdown automata with vector addition systems. The question of the boundedness of the reach...
Jérôme Leroux, Grégoire Sutre,...
RP
2015
Springer
8 years 3 months ago
Over-Approximating Terms Reachable by Context-Sensitive Rewriting
For any left-linear context-sensitive term rewrite system and any regular language of ground terms I, we build a finite tree automaton that recognizes a superset of the descendant...
Nirina Andrianarivelo, Pierre Réty