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Cover
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The cover has basically the same design, except
the background gray will be changed to yellow to
distinguish the new edition.
The artwork on the terminal screen has been altered. The
dedication has changed slightly.
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Preface
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The Preface has been rewritten to reflect
changes from the first edition. Another book, Baerza-Yates and
Ribeiro-Neto's Modern Information
Retrieval, has been added to a list of IR
literature. The new chapter on link-structure algorithms is
mentioned in a couple of sentences and the Acknowledgments reflects the
people who helped with the second edition.
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Chapter 1:
Introduction
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Section 1.7 Search by Link Structure is a
new and Section 1.8 User Interface was rewritten.
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Chapter 2:
Document File Preparation
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Section 2.1 Document Purification and Analysis
was updated to reflect changes in how search engines handle HTML
documents. Section 2.1.2 Validation was updated slightly to
include HTML 4.0 syntax. Section 2.2 Manual Indexing was updated and
rewritten to include information companies that were still involved
with manual indexing. The two sidebars on the Major Commercial Search
Engines were updated and rewritten. The URL for the Porter Stemmer was
updated.
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Chapter
3: Vector Space Models
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The figure for number of web
pages was updated to 4 billion pages. A couple minor errors in the
matrix were also corrected.
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Chapter
4: Matrix Decompositions
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Minor text changes and footnotes
added.
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Chapter
5: Query Management
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The text in Section 5.22 Natural
Language Queries was slightly changed.
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Chapter
6: Ranking and Relevance Feedback
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No changes were made.
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Chapter
7: Searching by Link Structure
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A completely new chapter
covering HITS and PageRank algorithms.
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Chapter
8: User Interface
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A complete rewrite of the User
Interface chapter of the 1st edition. Included is a look at
Shneiderman and Plaisants new book on user interface. Also there
was a restructuring of the material.
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Chapter
9: Further Reading
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With the exception of a few
paragraphs this chapter was rewritten also. Special mention was made of
Langville and Meyer's upcoming book on link-structure algorithms. Table
9.1 was checked and is current. Table 9.2 was almost entirely redone.
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Bibliography
and Index
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Several sources were dropped and
approximately 25 new ones were added. In the previous edition, if a
work was "in press" it was updated. There are more web sites than in
the previous edition--a refection of the times.
Index was streamlined and updated.
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