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BTW
2015
Springer
12views Database» more  BTW 2015»
5 years 7 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»
5 years 7 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»
5 years 7 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»
5 years 7 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»
5 years 7 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»
5 years 7 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, ...
PODS
2015
ACM
18views Database» more  PODS 2015»
5 years 7 months ago
On Top-k Range Reporting in 2D Space
Saladi Rahul, Yufei Tao
PODS
2015
ACM
28views Database» more  PODS 2015»
5 years 7 months ago
High-Level Why-Not Explanations using Ontologies
Balder ten Cate, Cristina Civili, Evgeny Sherkhono...
PODS
2015
ACM
24views Database» more  PODS 2015»
5 years 7 months ago
Chase Termination for Guarded Existential Rules
Abstract. The chase procedure is considered as one of the most fundamental algorithmic tools in database theory. It has been successfully applied to different database problems suc...
Marco Calautti, Georg Gottlob, Andreas Pieris
PODS
2015
ACM
31views Database» more  PODS 2015»
5 years 7 months ago
The Data Complexity of Consistent Query Answering for Self-Join-Free Conjunctive Queries Under Primary Key Constraints
A relational database is said to be uncertain if primary key constraints can possibly be violated. A repair (or possible world) of an uncertain database is obtained by selecting a...
Paraschos Koutris, Jef Wijsen
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