A team at the University of Maryland then published a paper in March, systematically showing 802.11b's collection of security features to be ineffective.
The "grep" search method worked well for one of the two features, but was ineffective for the second, more complex case.
Also, a model that effectively discriminates on local features may be ineffective or misleading if applied at the global level.
73, 78 It is possible that all three phenotypes exist in the circulation simultaneously and thus targeting CTCs with epithelial features may become ineffective against those with mesenchymal characteristics.
Feature selection, including the removal of noisy features and elimination of ineffective vocabulary, makes training and applying a classier more effective [67].
The two believe that current parental control features in software are ineffective because they force parents to take an "all or nothing approach" by only allowing them to prevent access to certain functions or features.
"What concerns tobacco researchers is that any mandated reductions in the nicotine level in cigarettes could be offset by design features, rendering the reductions ineffective.
