ACM Digital Library Top 20 most frequently used search terms

I was poking around the ACM site and ran into this list. Its too bad the only
include "terms" not entire search strings.

The following are the Top 20 most frequently used search terms over the past 90 days: (occurances of term)
1. security (30,608)
2. object (24,393)
3. database (22,965)
4. dot com (19,605)
5. data mining (19,532)
6. web (19,040)
7. software (18,928)
8. design (18,239)
9. internet (18,152)
10. wireless (17,914)
11. mobile (16,218)
12. usability (16,125)
13. computer (15,963)
14. xml (15,465)
15. network (14,937)
16. proceeding (13,865)
17. java (13,099)
18. XML (13,034)
19. management (12,932)
20. information (12,907)