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EDBT
2011
ACM
256views Database» more  EDBT 2011»
14 years 28 days ago
RanKloud: a scalable ranked query processing framework on hadoop
The popularity of batch-oriented cluster architectures like Hadoop is on the rise. These batch-based systems successfully achieve high degrees of scalability by carefully allocati...
K. Selçuk Candan, Parth Nagarkar, Mithila N...
DATE
2007
IEEE
127views Hardware» more  DATE 2007»
15 years 3 months ago
A calculator for Pareto points
This paper presents the Pareto Calculator, a tool for compositional computation of Pareto points, based on the algebra of Pareto points. The tool is a useful instrument for multidi...
Marc Geilen, Twan Basten
ICDE
2010
IEEE
241views Database» more  ICDE 2010»
15 years 9 months ago
FlexPref: A Framework for Extensible Preference Evaluation in Database Systems
Personalized database systems give users answers tailored to their personal preferences. While numerous preference evaluation methods for databases have been proposed (e.g., skylin...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
PVLDB
2010
91views more  PVLDB 2010»
14 years 7 months ago
Regret-Minimizing Representative Databases
We propose the k-representative regret minimization query (k-regret) as an operation to support multi-criteria decision making. Like top-k, the k-regret query assumes that users h...
Danupon Nanongkai, Atish Das Sarma, Ashwin Lall, R...
VLDB
2002
ACM
151views Database» more  VLDB 2002»
14 years 9 months ago
Preference SQL - Design, Implementation, Experiences
Current search engines can hardly cope adequately with fuzzy predicates defined by complex preferences. The biggest problem of search engines implemented with standard SQL is that...
Werner Kießling, Gerhard Köstler