<chapter id="administration">
- <!-- $Id: administration.xml,v 1.35 2006-06-12 11:48:24 marc Exp $ -->
+ <!-- $Id: administration.xml,v 1.36 2006-06-12 11:59:11 marc Exp $ -->
<title>Administrating Zebra</title>
<!-- ### It's a bit daft that this chapter (which describes half of
the configuration-file formats) is separated from
<screen>
staticrank: 1
</screen>
- directive in the main core Zebra config file, the internal document
- keys used for ordering are augmented by a preceeding integer, which
+ directive in the main core Zebra configuration file, the internal document
+ keys used for ordering are augmented by a preceding integer, which
contains the static rank of a given document, and the index lists
are ordered
first by ascending static rank,
<para>
The experimental <literal>alvis</literal> filter provides a
directive to fetch static rank information out of the indexed XML
- records, thus making <emphasis>all</emphasis> hit sets orderd
+ records, thus making <emphasis>all</emphasis> hit sets ordered
after <emphasis>ascending</emphasis> static
rank, and for those doc's which have the same static rank, ordered
after <emphasis>ascending</emphasis> doc <literal>ID</literal>.
ranking or score functions. These functions return positive
integer scores, where <emphasis>highest</emphasis> score is
``best'';
- hit sets are sorted according to <emphasis>decending</emphasis>
+ hit sets are sorted according to <emphasis>descending</emphasis>
scores (in contrary
to the index lists which are sorted according to
ascending rank number and document ID).
</para>
<para>
Dynamic ranking is enabled by a directive like one of the
- following in the zebra config file (use only one of these a time!):
+ following in the zebra configuration file (use only one of these a time!):
<screen>
rank: rank-1 # default TDF-IDF like
rank: rank-static # dummy do-nothing
algorithms, which only considers searching in one full-text
index, this one works on multiple indexes at the same time.
More precisely,
- Zebra does boolean queries and searches in specific adressed
+ Zebra does boolean queries and searches in specific addressed
indexes (there are inverted indexes pointing from terms in the
- dictionaly to documents and term positions inside documents).
+ dictionary to documents and term positions inside documents).
It works like this:
<variablelist>
<varlistentry>
</screen>
searches for all documents which have the term 'Utah' on the
body of text, and which have the term 'Springer' in the publisher
- field, and sort them in the order of the relvance ranking made on
+ field, and sort them in the order of the relevance ranking made on
the body-of-text index only.
</para>
</listitem>
<term>Hit list merging</term>
<listitem>
<para>
- Fourth, the atomic hist lists are merged according to the boolean
+ Fourth, the atomic hit lists are merged according to the boolean
conditions to a final hit list of documents to be returned.
</para>
<para>
<para>
<literal>Dynamic ranking</literal> is not compatible
with <literal>estimated hit sizes</literal>, as all documents in
- a hit set must be acessed to compute the correct placing in a
+ a hit set must be accessed to compute the correct placing in a
ranking sorted list. Therefore the use attribute setting
<literal>@attr 2=102</literal> clashes with
<literal>@attr 9=integer</literal>.
xelm /*/@created Date/time-added-to-db:s
</screen>
to any <literal>.abs</literal> record-indexing configuration file.
- Similarily, one could add an indexing element of the form
+ Similarly, one could add an indexing element of the form
<screen><![CDATA[
<z:index name="date-modified" type="s">
<xsl:value-of select="some/xpath"/>