Sciweavers

5580 search results - page 941 / 1116
» Randomized priority algorithms
Sort
View
SIGMOD
2007
ACM
170views Database» more  SIGMOD 2007»
14 years 9 months ago
Cardinality estimation using sample views with quality assurance
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
Per-Åke Larson, Wolfgang Lehner, Jingren Zho...
SIGMOD
2004
ACM
105views Database» more  SIGMOD 2004»
14 years 9 months ago
Query Processing for SQL Updates
A rich set of concepts and techniques has been developed in the context of query processing for the efficient and robust execution of queries. So far, this work has mostly focused...
César A. Galindo-Legaria, Stefano Stefani, ...
SIGMOD
2003
ACM
179views Database» more  SIGMOD 2003»
14 years 9 months ago
Energy and rate based MAC protocol for wireless sensor networks
Abstract-- Sensor networks are typically unattended because of their deployment in hazardous, hostile or remote environments. This makes the problem of conserving energy at individ...
Rajgopal Kannan, Ramaraju Kalidindi, S. Sitharama ...
ICFP
2002
ACM
14 years 9 months ago
An experimental study of renewal-older-first garbage collection
Generational collection has improved the efficiency of garbage collection in fast-allocating programs by focusing on collecting young garbage, but has done little to reduce the co...
Lars Thomas Hansen, William D. Clinger
ICDE
2010
IEEE
224views Database» more  ICDE 2010»
14 years 9 months ago
Probabilistic Declarative Information Extraction
Abstract-Unstructured text represents a large fraction of the world's data. It often contain snippets of structured information within them (e.g., people's names and zip ...
Daisy Zhe Wang, Eirinaios Michelakis, Joseph M. He...