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Document per-field ranking
author
Adam Dickmeiss
<adam@indexdata.dk>
Wed, 27 Jun 2012 08:52:55 +0000
(10:52 +0200)
committer
Adam Dickmeiss
<adam@indexdata.dk>
Wed, 27 Jun 2012 08:52:55 +0000
(10:52 +0200)
doc/pazpar2_conf.xml
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diff --git
a/doc/pazpar2_conf.xml
b/doc/pazpar2_conf.xml
index
6eb2032
..
bc72683
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(file)
--- a/
doc/pazpar2_conf.xml
+++ b/
doc/pazpar2_conf.xml
@@
-262,17
+262,33
@@
Specifies that this element is to be used to
help rank
records against the user's query (when ranking is
Specifies that this element is to be used to
help rank
records against the user's query (when ranking is
- requested). The value is an integer, used as a
+ requested).
+ The valus is of the form
+ <literallayout>
+ M [F N]
+ </literallayout>
+ where M is an integer, used as a
multiplier against the basic TF*IDF score. A value of
multiplier against the basic TF*IDF score. A value of
- 1 is the base, higher values give additional
- weight to
+ 1 is the base, higher values give additional weight to
elements of this type. The default is '0', which
excludes this element from the rank calculation.
</para>
<para>
elements of this type. The default is '0', which
excludes this element from the rank calculation.
</para>
<para>
+ F is a CCL field and N is the multipler for terms
+ that matches those part of the CCL field in search.
+ The F+N combo allows the system to use a different
+ multipler for a certain field. For example, a rank value of
+ "<literal>1 au 3</literal>" gives a multipler of 3 for
+ all terms part of the au(thor) terms and 1 for everything else.
+ </para>
+ <para>
For Pazpar2 1.6.13 and later, the rank may also defined
"per-document", by the normalization stylesheet.
</para>
For Pazpar2 1.6.13 and later, the rank may also defined
"per-document", by the normalization stylesheet.
</para>
+ <para>
+ The per field rank was introduced in Pazpar2 1.6.15. Earlier
+ releases only allowed a rank value M (simple integer).
+ </para>
</listitem>
</varlistentry>
</listitem>
</varlistentry>