The
special search operators that you use to perform full-text searches
are part of the Verity search engine. Table 5-3 describes the Verity search operators provided
by the Enhanced Full-Text Search engine.
Table 5-3: Verity search operators
Operator name
|
Description
|
|---|
accrue
|
Selects documents that contain at least
one of the search elements specified in a query. The more search
elements there are, the higher the score.
|
and
|
Selects documents that contain all the
search elements specified in a query.
|
complement
|
Returns the complement of the score value
(the score value subtracted from 100).
|
in
|
Selects documents that contain the search
criteria in the document zone specified.
|
like
|
Selects documents that are similar to
the sample documents or passages specified in a query.
|
near
|
Selects documents containing the specified
search elements, where the closer the search terms are to each other
in a document, the higher the document’s score.
|
near/n
|
Selects documents containing two or more
search terms within n number of words of each
other, where n is an integer up to 1000. The
closer the search terms are to each other in a document, the higher
the document’s score.
|
or
|
Selects documents that contain at least
one of the search elements specified in a query.
|
paragraph
|
Selects documents that include all the
search elements you specify within the same paragraph.
|
phrase
|
Selects documents that include a particular
phrase. A phrase is a grouping of two or more words that occur in
a specific order.
|
product
|
Multiplies the score values for each
of the items of the search criteria.
|
sentence
|
Selects documents that include all the
specified words in the same sentence.
|
stem
|
Expands the search to include the specified
word and its variations.
|
sum
|
Adds the score values for all items in
the search criteria.
|
thesaurus
|
Expands the search to include the specified
word and its synonyms.
|
topic
|
Specifies that the search term you enter
is a topic.
|
typo/n
|
Expands the serach to include the specified
word plus words that are similar. The optional n variable
specifies the maximum number of errors between the query term and
the matched term.
|
wildcard
|
Matches wildcard characters included
in search strings. Certain characters indicate a wildcard specification
automatically.
|
word
|
Performs a basic word search, selecting
documents that include one or more instances of the specified word.
|
yesno
|
Converts all nonzero score values to
100.
|
