Google Search Appliance User Experience Guide - Manual (Page 11)

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results cause designated documents to always appear on the results pages for
specific keyword searches.
From version 7.0, User Results replaces UAR (User-added results).
Alerts Alerts allow users to monitor topics of interest by receiving search results for
these topics in email messages. These can be setup as hourly, daily, or
weekly. Please note alerts will only work for public data; secure content is not
returned in alerts.
OneBox modules "Federate" a query out to another service, bringing the results back and
including them with the normal search results.
Google.com uses OneBoxes to present real-time data from a variety of
sources (weather, stock quotes, flight status, and so on) and you can use the
same technology on the search appliance.
A common OneBox is employee directory search.
Related queries Similar to spelling suggestions. Use related queries to guide users to a
different query. If a user searches for "cookies," a related query might prompt:
"You could also try snacks."
Query expansion
(Synonyms Data,
Blacklists, Stopwords,
Query Parameters,
Snippets Generation,
Link Results and
Spelling)
Query expansion automatically expands search terms to include other terms.
Query expansion modifies the actual query, and therefore the returned result
set. For example, a search for "light" becomes a search for "light or lighter or
lightest or lighting or lights." In most situations, you should enable query
expansion. Although query expansion can have a positive impact on search
results
relevancy and quality, it is disabled by default. Google usually
recommends selecting "Full" query expansion, which applies the active
Google-supplied dictionaries along with your own. Creating your own query
expansion
dictionaries is a great way to provide synonyms for acronyms,
jargon, and company-specific terms.
Y ou can set up a query expansion policy for meta tags. Use a query expansion
policy for meta tags to select the parts of the name/value pair in a meta tag
that the search appliance expands with synonyms.
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.
Stopwords: Query expansion also has stopwords data. A stopword is a search
term that is ignored by the search appliance. Examples of stopwords include
"to," "a," and "the." Custom stopwords data can be uploaded.
Query Parameters: Allows you to edit the maximum number of query terms.
The number must be an integer between 0 and 150, inclusive.