Zanran ist ein Tool für die Suche nach Diagrammen, Graphiken und Tabellen mit Daten (via Karen Blakeman’s Blog):
«A tool for searching information contained in charts, graphs and tables of data. Enter your search terms and optionally limit your search by date and/or format type. Zanran comes up with a list of documents that match your criteria with thumbnails to the left of each entry. Hover over the thumbnail to see a preview of the page containing your data and further information on the document.»