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Search Operators and Example Results
Operator
Search
Search Results
*
test*
Contains 0 or more wild characters:
test, tests, tester, testing etc
?
te?t
Contains terms with the single character replaced:
test, text, etc
~
test~
Contains terms similar in spelling:
tests, rest, best, etc
OR
pv OR photovoltaic
Contains either term:
pv
or
photovoltaic
AND
geothermal AND reservoir
Contains both terms:
geothermal
and
reservoir
NOT
lighting NOT daylighting
Contains
lighting
but not
daylighting
+
+geothermal reservoir
Contains
geothermal
and may contain
reservoir
()
(lighting or daylighting) AND photovoltaic
Contains either
lighting
or
daylighting
and contains
photovoltaic
Advanced Search Options
Use the
Advanced Search
to see additional search options:
filter by research partner
filter by technology category
filter by date range
filter by document type (technology summary, patent/application, or software)
choose the number of results per page
search only within specific fields by checking the appropriate boxes.
Additional Tips
Leave search box empty to search all technology summaries, patent/applications and software.
To explore your search results:
Click on a tab: Technology Summaries, Patents & Applications, or Software.
Scroll to the next page by clicking PREVIOUS or NEXT.
Sort the results by clicking the column name for ID, Title, Partner, or Date.
OR is the default operator.
If you search for
geothermal reservoir,
the search engine will automatically include the "OR" operator as follows:
geothermal
OR
reservoir
Operators must be ALL CAPS: AND, OR, NOT.
Operators * and ? cannot be used as the first character of a search.
The following special characters are part of the query syntax: + - && || ! () {} [] ^ " ~ * ? : \
To escape these special characters, use the \ before the character.
For example, to search for (1+1):2 you should enter \(1\+1\)\:2 into the search engine.
For additional search help, please visit the
Lucene Query Parser Syntax page
.