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DATESO
2009
109views Database» more  DATESO 2009»
13 years 5 months ago
Various aspects of user preference learning and recommender systems
In this paper, we describe area of recommender systems, with focus on user preference learning problem. We describe such system and identify some interesting problems. We will comp...
Alan Eckhardt
SIGMOD
2012
ACM
202views Database» more  SIGMOD 2012»
11 years 10 months ago
MCJoin: a memory-constrained join for column-store main-memory databases
There exists a need for high performance, read-only mainmemory database systems for OLAP-style application scenarios. Most of the existing works in this area are centered around t...
Steven Keith Begley, Zhen He, Yi-Ping Phoebe Chen
EUROSYS
2011
ACM
12 years 11 months ago
Database engines on multicores, why parallelize when you can distribute?
Multicore computers pose a substantial challenge to infrastructure software such as operating systems or databases. Such software typically evolves slower than the underlying hard...
Tudor-Ioan Salomie, Ionut Emanuel Subasu, Jana Gic...
JCS
2008
94views more  JCS 2008»
13 years 7 months ago
Preprocessing for controlled query evaluation with availability policy
Controlled Query Evaluation (CQE) defines a logical framework to protect confidential information in a database. By modeling a user's a priori knowledge appropriately, a CQE ...
Joachim Biskup, Lena Wiese
DATESO
2008
192views Database» more  DATESO 2008»
13 years 9 months ago
Using taDOM Locking Protocol in a Functional XML Update Language
In this paper we deal with a particular type of database systems
Pavel Strnad, Pavel Loupal