Sciweavers

1585 search results - page 266 / 317
» Data Quality Requirements Analysis and Modeling
Sort
View
BTW
2005
Springer
113views Database» more  BTW 2005»
15 years 6 months ago
A Learning Optimizer for a Federated Database Management System
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
Stephan Ewen, Michael Ortega-Binderberger, Volker ...
PTS
2007
120views Hardware» more  PTS 2007»
15 years 2 months ago
Towards Systematic Signature Testing
: The success and the acceptance of intrusion detection systems essentially depend on the accuracy of their analysis. Inaccurate signatures strongly trigger false alarms. In practi...
Sebastian Schmerl, Hartmut König
85
Voted
ENVSOFT
2008
55views more  ENVSOFT 2008»
15 years 19 days ago
A simple algorithm for yield estimates: Evaluation for semi-arid irrigated winter wheat monitored with green leaf area index
In this study we investigated the perspective offered by coupling a simple vegetation growth model and ground-based remotely-sensed data for the monitoring of wheat production. A ...
Benoît Duchemin, Philippe Maisongrande, Gill...
INFOCOM
1997
IEEE
15 years 4 months ago
Investigation of the IEEE 802.11 Medium Access Control (MAC)
Analysis of the drafi IEEE 802.11 wireless local area network (WLAN) standard is needed to characterize the expected performance of the standard’s ad hoc and infrastructure netw...
Brian P. Crow, Indra Widjaja, Jeong Geun Kim, Pres...
95
Voted
TMI
2002
90views more  TMI 2002»
15 years 6 days ago
Edge Displacement Field-Based Classification for Improved Detection of Polyps in CT Colonography
Colorectal cancer can easily be prevented provided that the precursors to tumors, small colonic polyps, are detected and removed. Currently, the only definitive examination of the ...
Burak Acar, Christopher F. Beaulieu, Salih Burak G...