Systems and methods for generating a focused data. An original data set contains
lines of data that are of interest to a user. The data set is filtered using inclusive
filters, exclusive filters, and markers to identify the lines of interest to the
user without losing the context of those lines with respect to other lines in the
data set. The lines of interest are then displayed in a focused view, where only
the lines of interest are displayed to the user, or in a contextual view, where
additional lines of data that are related to the lines of interest are also displayed
to the user. In the contextual view, the lines of interest are usually highlighted
to distinguish them from the lines that provide context. Also, the other lines
in the data set are usually not displayed, even though they may be included in
the focused data set.