Slides and recording:
https://www.wipo.int/meetings/en/topic.jsp?group_id=312Questions & Answers
Q:Are there numerical property search syntaxes available: pyrolyse NEAR4 500 K /temperature?
A: Not currently supported
Q:Can a query contain more than one NEAR operator?
A: Yes EN_ALLTXT:(workpiece NEAR5 metal NEAR20 bending)
Q. Can the wildcard ? replace an hyphen?
A: No, a word such as micro-processor is considered as 2 words so ? is no to be used for such cases