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SIGMOD
2003
ACM
175views Database» more  SIGMOD 2003»
14 years 8 months ago
WinMagic : Subquery Elimination Using Window Aggregation
Database queries often take the form of correlated SQL queries. Correlation refers to the use of values from the outer query block to compute the inner subquery. This is a conveni...
Calisto Zuzarte, Hamid Pirahesh, Wenbin Ma, Qi Che...
EUROSYS
2007
ACM
14 years 5 months ago
Tashkent+: memory-aware load balancing and update filtering in replicated databases
We present a memory-aware load balancing (MALB) technique to dispatch transactions to replicas in a replicated database. Our MALB algorithm exploits knowledge of the working sets ...
Sameh Elnikety, Steven G. Dropsho, Willy Zwaenepoe...
ATAL
2009
Springer
14 years 3 months ago
Reasoning intra-dependency in commitments for robust scheduling
Commitment-modeled protocols enable flexible and robust interactions among agents. However, existing work has focused on features and capabilities of protocols without considerin...
Mingzhong Wang, Kotagiri Ramamohanarao, Jinjun Che...
CIKM
2009
Springer
14 years 3 months ago
Semi-supervised learning of semantic classes for query understanding: from the web and for the web
Understanding intents from search queries can improve a user’s search experience and boost a site’s advertising profits. Query tagging via statistical sequential labeling mode...
Ye-Yi Wang, Raphael Hoffmann, Xiao Li, Jakub Szyma...
ICC
2007
IEEE
14 years 2 months ago
Performance Analysis and Evaluation of VDSL2 Systems: Band-Plan Study
— In this paper we discuss the performance of different profiles of VDSL2 systems in a frequency range up to 12 MHz (bandplan 998 and 997, corresponding to the European region) u...
Hernán Córdova, Teun van der Veen, L...