Modern Information Retrieval
Depto. de Ciencias de la Computación
Universidad de Chile
Berthier Ribeiro- Neto
Depto. de Ciencia da Computaç&atil de;o
Universidad Federal de Minas Gerais
Belo Horizonte, Brasil
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
should be modified from
is the total number of pages.
Page 474, Reference 352: should read "H.S. Heaps".
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