Manipulation of Trees in Information Retrieval*

CACM February, 1962

Salton, G.

CA620209 JB March 20, 1978  3:44 PM

1087	4	634
634	4	634
931	5	634
1324	5	634
329	5	634
634	5	634
634	5	634
634	5	634
202	6	634
396	6	634
634	6	634
634	6	634
652	6	634
653	6	634