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PREAMBLE

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The intent of this License is to be a “copyleft” agreement for the kriyas, lectures, and books made available on this website. This License provides the terms and conditions under which these works may be copied, distributed, or modified.

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Search Tips

Search Tips [also see How To Use This Site]

In The Yogi Bhajan Library of Teachings®, query text is parsed using a grammar similar to the Google grammar. For example, double-quoted phrases in query text such as the following are treated as phrases in a search: "yoga of awareness"

The default grammar also supports AND , OR , grouping with parentheses ( ) , and negation with a minus sign ( - ). You can combine all of these elements of the grammar together to easily form complex queries. The following is a summary of the default grammar:

Keyword	Example	Description
any terms	`pineal pituitary`	Searches for documents matching all terms. The example matches documents that have both the term pineal and the term pituitary.
`AND`	`pineal AND pituitary`	Combines the terms on either side with an `AND` . This example is equivalent to the previous example, as `AND` is the default way to combine terms.
`OR`	`pineal OR pituitary`	Combines the terms on either side with an `OR` . The example matches documents that have at least one of either of the terms pineal or pituitary.
`" "`	`"yoga of awareness"`	Anything within the double-quote marks is treated as a phrase. The example matches documents having the phrase `"yoga of awareness"` (without the double-quote marks).
`NEAR`	`pineal NEAR pituitary`	Matches terms on either side of the `NEAR` where they are within 10 terms of each other. The example matches documents where `pineal` is within 10 terms of `pituitary` . If you add a `/` followed by a number to the keyword, then it uses the number to specify the number of terms for the distance. For example, `pineal NEAR/2 pituitary` matches `pineal` within 2 terms of `pituitary` .
`( )`	`(pineal OR pituitary) thymus`	Indicates grouping. The example matches documents that have at least one of the terms pineal or pituitary, and also have the term thymus.
`-`	`pineal -pituitary`	Indicates a NOT query. The example matches documents matching pineal but not matching pituitary.

Note: keywords AND , OR and NEAR must be upper-case.

The Yogi Bhajan Library of Teachings® supports two wildcard characters: * and ? . * matches zero or more non-space characters. ? matches exactly one non-space character.

For example, he* will match any word starting with he , such as he , her , help , hello , helicopter , and so on. On the other hand, he? will only match three-letter words starting with he , such as hem , hen , and so on.

If the search term is lower-case, this implies no preference for case, and the search engine executes a case-insensitive query. If the query uses any capital letters, it executes a case-sensitive query.

The Yogi Bhajan Library of Teachings® supports stemming. The server automatically searches for words that come from the same stem of the word specified in the query, not just the exact string specified in the query. Stemming enables the search to return highly relevant matches that would otherwise be missed. For example, the terms run , running , and ran all have the same stem. Therefore, a stemmed search for the term run returns results that match elements containing the terms running , ran , and runs , as well as results for the specified term run .

The Yogi Bhajan Library of Teachings® supports a number of search Constraints. Constraints have the structure term:<value> . If the constraint value contains spaces, it must be enclosed in double-quote marks. The entire constraint expression can be combined with other search expressions using the standard search grammar. Examples of valid constraints are:

city:Berlin and location:"Los Angeles" .

Here is a list of supported constraints. The first five are also part of the Facet list on the left panel of the Search page. When you click one of the facet values, it is automatically AND ed to the search expression.

Constraint	Example	Description
`decade:`	`decade:1970s`	Constrains the search to the specified Decade. This constraint is included on the Facets list.
`media:`	`media:video`	Constrains the search to a Media type. This constraint is included on the Facets list.
`eventType:`	`eventType:Gurdwara`	Constrains the search to an Event Type. This constraint is included on the Facets list.
`city:`	`city:Hamburg`	Constrains the search to the specified City. This constraint is included on the Facets list.
`country:`	`country:"United States"`	Constrains the search to the specified Country. This constraint is included on the Facets list.
`title:`	`title:"Khalsa Women"`	Constrains the search to a word or phrase in the lecture Title.
`location:`	`location:Herndon` `location:Mexico`	Constrains the search to a word or phrase in any of the lecture City, State or Country values. The second example would bring up matches where the country equals Mexico or the state equals New Mexico.
`keyword:`	`keyword:pineal`	Constrains the search to a word or phrase in the lecture Keywords list.
`eventCode:`	`eventCode:BC02`	Constrains the search to an Event Code.
`libraryCode:`	`libraryCode:LA-0860`	Constrains the search to the archive library code. This is the code Siri Ved Singh used to identifiy lectures he recorded.
`date:`	`date:1984-07-24`	Constrains the search to a lecture presentation date. Be sure to always use 2-digit months and days when using this constraint. For example, the 4th of July, 1987 is written as `1984-07-04` (NOT `1987-7-4`).
`adate:`	`adate GT 2003-12-31 AND adate LT 2004-06-01`	This powerful constraint allows searches on a date range. Use with the `GT` (greater than), `GE` (greater than or equal to), `LT` (less than) or `LE` (less than or equal to) operators. The example returns lectures from the first five months of 2004.

Here is an example of how you can put The Yogi Bhajan Library of Teachings® search grammar and constraints together to form a more complex and powerful query.

Let's say you are looking for a lecture that Yogi Bhajan gave in the first half of 1991, where he spoke about Guru Ram Das. You know that the lecture was given either in Espanola or Los Angeles, and that it was not a Gurdwara lecture. Plus, you only want to see lectures where you can watch the video. Here is a query that will return the results that you want:

("Guru Ram Das" AND (city:Espanola OR city:"Los Angeles") AND (adate GE 1991-01-01 AND adate LE 1991-06-30) AND media:video) -eventType:gurdwara

If this statement looks completely confusing, just keep reading. It's not as bad as it looks.

The main expression is between the outside parentheses and " AND s" the four separate sub-expressions together. Each of these separate search expressions must be satisfied for a lecture to be returned in the results.

"Guru Ram Das" is a multi-word text query. By enclosing the expression in quotes, the entire literal string is searched. If we entered Guru Ram Das without quotes, the search engine would interpret it as Guru AND Ram AND Das , which would return very different results.

(city:Espanola OR city:"Los Angeles") specifies that the lecture city is either Espanola or "Los Angeles" . "Los Angeles" is in quotes since it is a multi-word expression (contains spaces). The entire expression is enclosed in parentheses so that it is evaluated as a single OR expression.

(adate GE 1991-01-01 AND adate LE 1991-06-30) restricts the search to lecture dates that are greater than or equal to 01/01/1991 and less than or equal to 06/30/1991 . This would include any lectures given in the first half of 1991. The expression is enclosed in parentheses so that it is evaluated before AND ing the other main expressions.

media:video restricts the search to only lectures which have video.

Finally -eventType:gurdwara uses the NOT operator, - , to exclude any lectures from the previous result set which are Gurdwara lectures.

As you can see, even complex queries are manageable if you construct them expression by expression. Try it out yourself!