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» Chase of Recursive Queries
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COCO
2005
Springer
150views Algorithms» more  COCO 2005»
14 years 1 months ago
The Quantum Adversary Method and Classical Formula Size Lower Bounds
We introduce two new complexity measures for Boolean functions, which we name sumPI and maxPI. The quantity sumPI has been emerging through a line of research on quantum query com...
Sophie Laplante, Troy Lee, Mario Szegedy
ESA
2005
Springer
113views Algorithms» more  ESA 2005»
14 years 29 days ago
Online View Maintenance Under a Response-Time Constraint
Abstract. A materialized view is a certain synopsis structure precomputed from one or more data sets (called base tables) in order to facilitate various queries on the data. When t...
Kamesh Munagala, Jun Yang 0001, Hai Yu
SIGGRAPH
2010
ACM
13 years 12 months ago
OptiX: a general purpose ray tracing engine
The NVIDIA® OptiX™ ray tracing engine is a programmable system designed for NVIDIA GPUs and other highly parallel architectures. The OptiX engine builds on the key observation ...
Steven G. Parker, James Bigler, Andreas Dietrich, ...
BPSC
2007
171views Business» more  BPSC 2007»
13 years 9 months ago
XML Databases: Principles and Usage
Originally XML was used as a standard protocol for data exchange in computing. The evolution of information technology has opened up new situations in which XML can be used to aut...
Jaroslav Pokorný
DKE
2008
79views more  DKE 2008»
13 years 7 months ago
Extracting k most important groups from data efficiently
We study an important data analysis operator, which extracts the k most important groups from data (i.e., the k groups with the highest aggregate values). In a data warehousing co...
Man Lung Yiu, Nikos Mamoulis, Vagelis Hristidis