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PVLDB
2008
96views more  PVLDB 2008»
13 years 9 months ago
H-store: a high-performance, distributed main memory transaction processing system
Our previous work has shown that architectural and application shifts have resulted in modern OLTP databases increasingly falling short of optimal performance [10]. In particular,...
Robert Kallman, Hideaki Kimura, Jonathan Natkins, ...
PVLDB
2008
124views more  PVLDB 2008»
13 years 9 months ago
Scheduling shared scans of large data files
We study how best to schedule scans of large data files, in the presence of many simultaneous requests to a common set of files. The objective is to maximize the overall rate of p...
Parag Agrawal, Daniel Kifer, Christopher Olston
PVLDB
2008
116views more  PVLDB 2008»
13 years 9 months ago
Accuracy estimate and optimization techniques for SimRank computation
The measure of similarity between objects is a very useful tool in many areas of computer science, including information retrieval. SimRank is a simple and intuitive measure of th...
Dmitry Lizorkin, Pavel Velikhov, Maxim N. Grinev, ...
PVLDB
2008
124views more  PVLDB 2008»
13 years 9 months ago
DBPubs: multidimensional exploration of database publications
DBPubs is a system for effectively analyzing and exploring the content of database publications by combining keyword search with OLAP-style aggregations, navigation, and reporting...
Akanksha Baid, Andrey Balmin, Heasoo Hwang, Erik N...
PVLDB
2008
127views more  PVLDB 2008»
13 years 9 months ago
Hashed samples: selectivity estimators for set similarity selection queries
We study selectivity estimation techniques for set similarity queries. A wide variety of similarity measures for sets have been proposed in the past. In this work we concentrate o...
Marios Hadjieleftheriou, Xiaohui Yu, Nick Koudas, ...