informatics

Network visualization of temporal data offers insights into the practical application of treatment guidelines. Using publicly …

An intelligent informatics approach to legal discovery.

Automatically identifying findings or diseases described in clinical textual reports requires determining whether clinical observations are present or absent. We evaluate the use of negation phrases and the frequency of negation in free-text clinical reports.

We developed a simple regular expression algorithm called NegEx that implements several phrases indicating negation, filters out sentences containing phrases that falsely appear to be negation phrases, and limits the scope of the negation phrases.