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Boolean Searches

All image file data i.e. numbers, titles, captions and keywords is full text indexed and searchable by simply adding one or more words in the search box. The search engine also supports Boolean keyword searching so you can use the terms AND, OR, AND NOT to create Boolean queries. Furthermore wildcards are also supported. Below are a few examples of how you can search by typing these terms into the search box.

• dog OR cat to find images with the word dog or the word cat in the keywords
• dog AND cat to find images with both the word dog and the word cat in the keywords
• dog cat is the same as dog AND cat
• (dog or cat) and park to find files with the words dog or cat and the word park (note the use of the round brackets)
• lion and not africa to find files with the word lion but not if the word africa is also present
• (tiger or lion) and not zoo to find files with the words tiger or lion but not if the word zoo is also present
• dog* to find files with the word dog or words that start with dog e.g. dog, dogs, dogfight and so on
• *dog to find files with the word dog or words that end with dog e.g. dog, sheepdog, watchdog

Round brackets are used to control how (and in which order) Boolean expressions are evaluated i.e. in (dog or cat) and not park, the search engine first looks for files with dog or cat and then it excludes the ones that also have the word park