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2009
14 years 9 months ago
BORG: Block-reORGanization for Self-optimizing Storage Systems
This paper presents the design, implementation, and evaluation of BORG, a self-optimizing storage system that performs automatic block reorganization based on the observed I/O wor...
Medha Bhadkamkar, Jorge Guerra, Luis Useche, Sam B...
GECCO
2009
Springer
162views Optimization» more  GECCO 2009»
14 years 9 months ago
Uncertainty handling CMA-ES for reinforcement learning
The covariance matrix adaptation evolution strategy (CMAES) has proven to be a powerful method for reinforcement learning (RL). Recently, the CMA-ES has been augmented with an ada...
Verena Heidrich-Meisner, Christian Igel
VLDB
2007
ACM
126views Database» more  VLDB 2007»
16 years 3 days ago
Querying Complex Structured Databases
Correctly generating a structured query (e.g., an XQuery or a SQL query) requires the user to have a full understanding of the database schema, which can be a daunting task. Alter...
Cong Yu, H. V. Jagadish
ADBIS
2009
Springer
140views Database» more  ADBIS 2009»
15 years 6 months ago
Optimizing Maintenance of Constraint-Based Database Caches
Abstract. Caching data reduces user-perceived latency and often enhances availability in case of server crashes or network failures. DB caching aims at local processing of declarat...
Joachim Klein 0002, Susanne Braun
SIGIR
2011
ACM
14 years 2 months ago
ViewSer: enabling large-scale remote user studies of web search examination and interaction
Web search behaviour studies, including eye-tracking studies of search result examination, have resulted in numerous insights to improve search result quality and presentation. Ye...
Dmitry Lagun, Eugene Agichtein