| 5 | | | R612: Information Retrieval | $0.00 | 2004 | 5180520 |
| | | | R612: Information Retrieval | $0.00 | 2004 | 5203358 |
| 2 | | | R612: Information Retrieval | $0.00 | 2004 | 5225647 |
| 1 | | | R612: Information Retrieval | $0.00 | 2004 | 5225662 |
| 4 | | | R612: Information Retrieval | $0.00 | 2004 | 5249750 |
| 3 | | | R612: Information Retrieval | $0.00 | 2004 | 5249771 |
| 8 | | | R612: Information Retrieval | $0.00 | 2005 | 7974804 |
| 7 | | | R612: Information Retrieval | $0.00 | 2005 | 8019998 |
| 6 | | | R612: Information Retrieval | $0.00 | 2005 | 8040502 |
| 9 | | | R612: Information Retrieval | $0.00 | 2006 | 11889985 |
| 10 | | | R612: Information Retrieval | $0.00 | 2006 | 11949869 |
| 13 | | | R612: Information Retrieval | $0.00 | 2007 | 15992379 |
| 11 | | | R612: Information Retrieval | $0.00 | 2007 | 16017857 |
| 12 | | | R612: Information Retrieval | $0.00 | 2007 | 16046566 |
| 14 | | | R612: Information Retrieval | $0.00 | 2007 | 16071846 |
| 15 | | | R612: Information Retrieval | $0.00 | 2007 | 16071847 |
| 17 | | | R612: Information Retrieval | $0.00 | 2008 | 20513146 |
| 16 | | | R612: Information Retrieval | $0.00 | 2008 | 20543309 |
