Previous attempts to filter Medline for a clinical discipline have met with limited success Medline can be filtered for a clinical discipline in a reliable manner The best renal filters had sensitivity and specificity in excess of 97% These filters can be programmed into the PubMed interface, so they are available for everyone to use Cite this as: BMJ 2009;339:b3435.
Despite their best attempts to filter things down to a manageable list, however, I'm still generally left with the standard New York diner's dilemma: too much choice.
Although most of the sites eventually get back online, denial-of-service attacks rarely generate as much outrage as formal government attempts to filter information on the Internet.
Seasonal adjustment attempts to filter out expected changes in employment such as the layoff of temporary retail employees after the winter holidays.
Attempts to filter websites have not stopped Iranians accessing blocked addresses: use of VPN (virtual private network) services and anti-filtering software is widespread and a generation of young entrepreneurs have invented their own social media services, initiating an inadvertent start-up revolution.
The trade-off is exposure to ideas and forums that run counter to Iran's fundamentalist theocracy -- a trade-off that the government, in spite of a few failed attempts to filter Web sites and restrict access, seems resigned to make.
In this way, Chime.in attempts to filter out a lot of the noise from your noisiest friends (hello, Scoble).
For much of the past decade these young Iranians have been finding increasingly sophisticated ways of bypassing the government's attempts to filter a succession of sites.
However, it is unlikely that attempts to filter the final network itself will be fruitful.
We were looking for enrichment in the GO FAT set, which attempts to filter the broadest terms so that they do not overshadow the more specific terms.
Women collecting water attempted to filter out the worms through leaves and grasses, but were not always successful.
