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Image Gallery Help

How to Query

1. Searching with multiple keywords

To search with multiple keywords, separate each word with a space such as "fruit size". This will search for images with either of the keywords. If you want to search for images with all of the keywords, use the AND operator, such as "fruit AND size".

2. Searching with a phrase

If you surround several words with double quotes such as "mutagenesis lines", a search for that particular phrase will be performed. Without the double quotes, a search for either of the words will be performed.

3. Including or excluding words from your search

You can use operators to include or exclude specific words from your search.

A union using sets - OR operator or || symbol

This will search for images with either of the keywords. For example, "fruit OR size" or "fruit || size" will search for images related to either brown or leaf.

An intersection using sets – AND operator or && symbol

This will search for images which contain both of the keywords. For example, if you type "fruit AND size" or "fruit && size", a search for images which contain both keywords "fruit" and "size" will be performed.

A difference using sets – NOT operator or ! symbol

The NOT operator excludes images that contain the keyword after the NOT operator. For example, if you type "plant NOT habit" or "plant !habit", a search for images which contain brown but does not contain leaf will be performed.

Plus (+) symbol

The "+" symbol performs a search for images that must contain the keyword which comes after the "+" symbol. For example, use "fruit +seed" to search for images that may contain "fruit" but must contain "seed".

Minus (-) symbol

The "-" symbol excludes images that contain the keyword which comes after the "-" symbol. For example, use "-EMS –mutagenesis" to search for images without "brown" and without "leaf".

4. Wildcard searches

You can use the following characters for wildcard searches.

Question mark (?) for single character wildcard search

The single character wildcard search will look for images with keywords which match that with the single character replaced. For example, use "sho?t" to search for "short" or "shoot".

Asterisk (*) for multiple characters wildcard search

The multiple character wildcard search will look for images with keywords that match that with 0 or more characters replaced. For example, use "muta*" to search for "mutant" or "mutagenesis".

5. Fuzzy searches

You can use the tilde (~) symbol at the end of a single keyword to perform a fuzzy search which will look for other words with spelling similar to the keyword. For example, use "flower~" to search for images related to flower or flowers.
You can also specify a value after the tilde (~) symbol to indicate the required similarity such as "flower~0.2". The value is between 0 and 1, excluding 1. The closer the value is to 1, the higher the similarity and if a value is not specified, the default would be 0.5.

6. Proximity Searches

You can add the tilde (~) symbol and a number at the end of a phrase to specify the distance of the keywords with one another. For example, use "width size"~10 to search for information with "width" and "size" within 10 words of each other.

7. Grouping

Keywords grouped together with parentheses () will be prioritized in the search. For example, use "(gamma OR mutant) AND seed" to search for leaves that are white or brown.

8. Searching with keywords that contain special characters

You can escape the supported special characters (+ - && || ! ( ) { } [] ^ " ~ * ? : \) with a backslash (\) to search for keywords which contains special characters. For example, use "\[298\]" to search for [298].