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SIGMOD
2002
ACM
120views Database» more  SIGMOD 2002»
15 years 10 months ago
Exploiting statistics on query expressions for optimization
Statistics play an important role in influencing the plans produced by a query optimizer. Traditionally, optimizers use statistics built over base tables and assume independence b...
Nicolas Bruno, Surajit Chaudhuri
PVLDB
2010
98views more  PVLDB 2010»
14 years 8 months ago
Dremel: Interactive Analysis of Web-Scale Datasets
Dremel is a scalable, interactive ad-hoc query system for analysis of read-only nested data. By combining multi-level execution trees and columnar data layout, it is capable of ru...
Sergey Melnik, Andrey Gubarev, Jing Jing Long, Geo...
ICDE
2008
IEEE
135views Database» more  ICDE 2008»
15 years 11 months ago
Online Filtering, Smoothing and Probabilistic Modeling of Streaming data
In this paper, we address the problem of extending a relational database system to facilitate efficient real-time application of dynamic probabilistic models to streaming data. he ...
Bhargav Kanagal, Amol Deshpande
EDBT
2006
ACM
126views Database» more  EDBT 2006»
14 years 11 months ago
Replication, Load Balancing and Efficient Range Query Processing in DHTs
We consider the conflicting problems of ensuring data-access load balancing and efficiently processing range queries on peer-to-peer data networks maintained over Distributed Hash ...
Theoni Pitoura, Nikos Ntarmos, Peter Triantafillou
ACL
2007
14 years 11 months ago
System Demonstration of On-Demand Information Extraction
In this paper, we will describe ODIE, the On-Demand Information Extraction system. Given a user’s query, the system will produce tables of the salient information about the topi...
Satoshi Sekine, Akira Oda