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» Optimizing Write Performance for Read Optimized Databases
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MICRO
2005
IEEE
144views Hardware» more  MICRO 2005»
14 years 1 months ago
A Dynamic Compilation Framework for Controlling Microprocessor Energy and Performance
Dynamic voltage and frequency scaling (DVFS) is an effective technique for controlling microprocessor energy and performance. Existing DVFS techniques are primarily based on hardw...
Qiang Wu, Margaret Martonosi, Douglas W. Clark, Vi...
DEXA
1995
Springer
126views Database» more  DEXA 1995»
13 years 11 months ago
A Heuristic Approach for Optimization of Path Expressions
Abstract. The object-oriented database management systems store references to objects (implicit joins, precomputed joins), and use path expressions in query languages. One way of e...
Cetin Ozkan, Asuman Dogac, Cem Evrendilek
PODS
2009
ACM
130views Database» more  PODS 2009»
14 years 8 months ago
Secondary indexing in one dimension: beyond b-trees and bitmap indexes
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
Rasmus Pagh, Srinivasa Rao Satti
ICS
2011
Tsinghua U.
12 years 11 months ago
Hystor: making the best use of solid state drives in high performance storage systems
With the fast technical improvement, flash memory based Solid State Drives (SSDs) are becoming an important part of the computer storage hierarchy to significantly improve perfo...
Feng Chen, David A. Koufaty, Xiaodong Zhang
EDBT
2011
ACM
209views Database» more  EDBT 2011»
12 years 11 months ago
An optimal strategy for monitoring top-k queries in streaming windows
Continuous top-k queries, which report a certain number (k) of top preferred objects from data streams, are important for a broad class of real-time applications, ranging from fi...
Di Yang, Avani Shastri, Elke A. Rundensteiner, Mat...