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tation ofdynamic queriesintheFilmFinder(AhlbergandShneiderman, ).Here,
each variable maintains its own selection state (for example,
or
actor = Connery) and the overall selection is defined as the intersection of the indi-
vidual variable selections. In Fig. . below, we show memory-based linking applied
to the baseball data.
In the discussion of Fig. . , we noted the extra cluster in the fielding scatterplot
and the linking in that figure showed the cluster appearing only pre- . Figure .
was created to follow up on this cluster. he position bar chart was added, as it is
known that fielding position and fielding statistics are related! he linked views have
year
Figure . . Multiple linked views with memory and nonbinary degree of interest. his figure is similar
to Fig. . , with the hashed bars showing the user's selection as in that figure. In this figure, however,
the degree of interest is not a binary variable but takes three values: , when a case is completely
unselected;
, when it is selected in one of the two bar charts; and , when it is selected in both
barcharts. he mapping from degree of interest to brightness is: =light gray,
=medium gray, =black
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