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» Estimating the costs of an SDI-based project
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90
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IDEAS
2000
IEEE
96views Database» more  IDEAS 2000»
15 years 4 months ago
A Cost Function for Uniformly Partitioned UB-Trees
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
Volker Markl, Rudolf Bayer
KDD
2009
ACM
191views Data Mining» more  KDD 2009»
15 years 4 months ago
Improving data mining utility with projective sampling
Overall performance of the data mining process depends not just on the value of the induced knowledge but also on various costs of the process itself such as the cost of acquiring...
Mark Last
APSEC
2004
IEEE
15 years 3 months ago
Modeling the Impact of a Learning Phase on the Business Value of a Pair Programming Project
Pair programmers need a "warmup phase" before the pair can work at full speed. The length of the learning interval varies, depending on how experienced the developers are...
Frank Padberg, Matthias M. Müller
EDBT
2004
ACM
147views Database» more  EDBT 2004»
15 years 11 months ago
Projection Pushing Revisited
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
Benjamin J. McMahan, Guoqiang Pan, Patrick Porter,...
85
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WSC
2008
15 years 2 months ago
Tunnel_Sim: Decision support tool for planning tunnel construction using computer simulation
Tunnel construction are essentially infrastructure projects that includes many interfered and sophisticated tasks. This paper presents a decision support tool, Tunnel_Sim, for pla...
Mohamed Marzouk, Moatassem Abdallah, Moheeb Elsaid