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Boolean operators allow terms to be combined through logic operators. Lucene Emakinsystem supports AND, "+", OR, NOT and "-" as Boolean operators(Note: Boolean operators must be ALL CAPS).
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To escape these character use the \ before the character. For example to search for (2+2):4 use the query:
\(2\+2\)\:4
Other Search Option in Emakin
Emakin system supports to find root element-content element-attribute in tasks and documents.
For example; you want to find employees with the registration number 1. To search:
Personnelinformation.registrynumber:1
Note: “.” and “:” characters must be used.