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Differences between PubEAST/PubWEST and Patent Public Search

Operator precedence

While similar, the precedence for the order of operations is different between Patent Public Search and PubEAST/PubWEST.

For example, in Patent Public Search ADJ takes higher precedence than NEAR. In PubEAST/PubWEST, ADJ and NEAR have the same precedence. When both are present in a query, whichever is closer to the start of the query (to the left) will take precedence.

Patent Public Search	PubEAST/PubWEST
ADJ (highest)	ADJ, NEAR (highest)
NEAR	WITH
WITH	SAME
SAME	AND, NOT, NOT SAME, NOT WITH, NOT NEAR, NOT ADJ
AND	XOR
NOT	OR (lowest)
XOR
OR (lowest)