March 2009 enhancement: expiration date for comparisons

We are pleased to announce the latest enhancement to WorldCat Collection Analysis. 

As many of you know, library created comparison groups are automatically deleted after 120 days if not accessed. Unfortunately, we did not provide expiration dates to assist you knowing when your 120 days was approaching. The new enhancement (see example below) now provides expiration dates for each secondary comparison, which will remind you to access comparisons prior to the expiration date.

An expiration date is calculated when the comparison is first created, and displayed next to its link on the Data to Analyze screen. Any Comparison or Secondary Group that is not viewed on the Analysis Results screen for a period of 120 calendar days is automatically deleted.

(2009 04 06)