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LFP
1994
129views more  LFP 1994»
13 years 6 months ago
Static Dependent Costs for Estimating Execution Time
We present the rst system for estimating and using datadependent expression execution times in a language with rst-class procedures and imperative constructs. The presence of rst-...
Brian Reistad, David K. Gifford
VLDB
2001
ACM
190views Database» more  VLDB 2001»
13 years 9 months ago
LEO - DB2's LEarning Optimizer
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
Michael Stillger, Guy M. Lohman, Volker Markl, Mok...
GECCO
2009
Springer
13 years 9 months ago
Search based data sensitivity analysis applied to requirement engineering
Software engineering is plagued by problems associated with unreliable cost estimates. This paper introduces an approach to sensitivity analysis for requirements engineering. It u...
Mark Harman, Jens Krinke, Jian Ren, Shin Yoo
OOPSLA
2005
Springer
13 years 10 months ago
Estimating software based on use case points
It is well documented that software product cost estimates are notoriously inaccurate across the software industry. Creating accurate cost estimates for software product developme...
Edward R. Carroll