Depto. de Ciencia da
Computaç&atil
de;o
Universidad Federal de Minas Gerais
Belo Horizonte, Brasil
Errata
Page vii: should read "David Harrison".
Page 27 (section 2.5.3): The second of the denominators in the equation
lists a summing of the query terms from j=1 to t. This should be from
i=1 to t. Thanks to Jamie Geddes, UK.
Page 136: The correct meaning of MIDF is maximum inverse document frequency.
Thanks to Shoujie He, USA.
In chapter 5, Rocchio was spelled consistently wrong. However, the correct
spelling is in the appropriate references.
Page 195, Table 8.1, "right" and "left" should be switched. Thanks to Joanna
Plattner.
Page 210: j-next[j]+1 should be j-next[j]-1 (this typo was noted by
Shoujie He, USA).
Page 212: Note that the examples in the text and in figure 8.16 are not
the same. Thanks to Shoujie He, USA.
Page 213: All 0's and 1's in Figure 8.17 should be reversed (we originally
had also the Shift And description of the algorithm). Thanks to Satoru
Takabayashi, Japan.
Page 373: Change "That is, 9.3 Kb is the cut point between both
distributions" by "The cut point between both distributions is then larger
than 9.3 Kb (such that the whole probability adds to 1)".
Page 381: In the last formula, the first term of PR(a) should
be modified from q to q/P where P is the total number of pages.
Page 474, Reference 352: should read "H.S. Heaps".