Forty-six questions had no known answer in the document set. For these questions, 'NIL' was accepted as the correct response:
1420, 1422, 1430, 1437, 1445, 1448, 1461, 1468, 1485, 1486, 1511, 1543, 1558, 1571, 1577, 1587, 1594, 1602, 1610, 1611, 1642, 1644, 1656, 1670, 1684, 1703, 1707, 1709, 1725, 1738, 1760, 1761, 1765, 1786, 1792, 1816, 1817, 1832, 1841, 1842, 1860, 1868, 1869, 1875, 1887, 1893

TREC 2002 main task test questions

TREC 2002 main task top docs ranked list (.gz)

TREC 2002 main task judgment set

TREC 2002 main task pattern set
The pattern set for the TREC 2002 main task questions was created by
Ken Litkowski of CL Research.