Google Search Appliance Creating the Search Experience Bedienungsanleitung PDF herunterladen (Seite 61)

Google Search Appliance: Creating the Search Experience Best Practices 61

Examples of valid entries:

{run, runs, running, ran}

{widgets, parts, items}

Example of an invalid entry:

{safe}

For information about uploading a synonyms file, click Help Center > Serving > Query Settings in the

Admin Console.

Using Blacklists

You can control query expansion by creating a blacklist. A blacklist is a set of words that are excluded

from query expansion. A blacklist can be useful for eliminating unwanted search results that result from

synonym matching and clarifying special words used in your environment.

For example, suppose mediacompany.com starts a new project with the code name “glue.” You could add

“glue” to the blacklist to ensure that user queries do not expand to include “adhesive.”

A blacklist file is a text file of three megabytes or less, containing a simple case-insensitive list of single

words, with one word on each line.

Follow these steps to create a blacklist file:

1. Create a text (.txt) file.

2. If the file will contain accented characters and you have not already checked your editor's ability to

save a file with UTF-8 encoding, do so now. As an example, if you are using Notepad, do this:

• From the File menu, choose Save As.

• Check that the Save options include Encoding, as well as Name and File Type.

• Pull down the Encoding menu and choose UTF-8.

3. Edit the file as follows:

• Put one word on each line.

• Blacklists should use only alphanumeric characters. Spaces are not allowed.

• Use the pound sign (#) to start a comment line.

4. Save the file. If the file has accented characters, save it with UTF-8 encoding.

This is an example of a blacklist file:

#Blacklist file created July 2006

#Author: lana

glue

component

This file prevents queries for “glue” and “component” from being enhanced with synonyms.

For information about uploading a blacklist file, click Help Center > Serving > Query Settings in the

Admin Console.

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Google Search Appliance Creating the Search Experience Bedienungsanleitung Seite 61