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Table 1 Visual interactions to support analyst tasks by facet dimension.

From: HEALTH GeoJunction: place-time-concept browsing of health publications

Dimension Task Visual Interaction
Time Filter documents by time range Size and drag date range slider widgets in timeline
Time Identify article count by month Mouse-over time line bar chart
Time Filter documents by predefined time interval Click corresponding interval button above timeline and then place time slider
Concept Filter documents by keyword from corpus Click tagcloud keyword
Concept Filter documents by keyword in selected set Click 'filtered' tagcloud keyword
Concept Compare frequency of keyword in corpus versus selected set Click color assignment widget to classify keyword frequency change by color
Concept Highlight tag frequency above document count threshold Dynamically highlight tags in tag cloud for full corpus or current selection using respective slider
Concept Retrieve documents by alternative tagging scheme Select tag format for tag clouds from drop-down list
Concept Retrieve documents by low frequency tag Select sort tag cloud by count from drop-down list, scroll and click tags
Concept Retrieve documents by specific keyword tags Select sort tag cloud alphabetically from drop-down list, scroll and click tags
Place Select documents about a country Click 'about' country graduated symbol
Place Select documents from a country Click 'from' country graduated symbol
Place Select documents about a country or adjacent countries Shift-click a country graduated symbol
Place Select documents by place within geographic hierarchy Tab from map to geographic tree view and click place names
Place Retrieve summary of documents by country ('about' or 'from') and time range Mouse-over country graduated symbol on map
Place Inspect geographic distribution of documents for query parameters Map supports standard pan by dragging, map scale slider and buttons for pan by fixed interval
Results Preview document in result set Mouse-over icon in result set table
Results View map representation of places referenced in document Select globe icon in result set table
Results Retrieve similar documents Click 'more-like-this' icon in result set table
Results Inspect retrieved document Select row in result set table and then document details tab
All Remove place or tag constraint Clear to remove facet-like stub for criterion