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SIGMOD
2004
ACM
118views Database» more  SIGMOD 2004»
16 years 6 months ago
Effective Use of Block-Level Sampling in Statistics Estimation
Block-level sampling is far more efficient than true uniform-random sampling over a large database, but prone to significant errors if used to create database statistics. In this ...
Surajit Chaudhuri, Gautam Das, Utkarsh Srivastava
ICSE
2007
IEEE-ACM
16 years 6 months ago
Do Maintainers Utilize Deployed Design Patterns Effectively?
One claimed benefit of deploying design patterns is facilitating maintainers to perform anticipated changes. However, it is not at all obvious that the relevant design patterns de...
T. H. Ng, S. C. Cheung, W. K. Chan, Y. T. Yu
ICDE
2010
IEEE
255views Database» more  ICDE 2010»
16 years 1 months ago
On supporting effective web extraction
— Commercial tuple extraction systems have enjoyed some success to extract tuples by regarding HTML pages as tree structures and exploiting XPath queries to find attributes of t...
Wook-Shin Han, Wooseong Kwak, Hwanjo Yu
CHI
2010
ACM
16 years 1 months ago
Multitasking and monotasking: the effects of mental workload on deferred task interruptions
Recent research has found that forced interruptions at points of higher mental workload are more disruptive than at points of lower workload. This paper investigates a complementa...
Dario D. Salvucci, Peter Bogunovich
IPPS
2009
IEEE
16 years 1 months ago
Exploring the effect of block shapes on the performance of sparse kernels
In this paper we explore the impact of the block shape on blocked and vectorized versions of the Sparse Matrix-Vector Multiplication (SpMV) kernel and build upon previous work by ...
Vasileios Karakasis, Georgios I. Goumas, Nectarios...