General information on the query language can be found here . Query language further explained. Here, you'll find some more explanation on the query language with examples.
Numbers can also be negative.
So, there is nothing like a context and a focus of a query like in text applications as in our conceptualization, we could not even specify the context, so we would rather call the queries as a whole constellation specifications or so. Thus, this query can be used for further queries. Then, in the MATE Workbench window, a small message will be shown, telling you that this document has been loaded. Now, select the Information extraction item in the Tools menu of the MATE Workbench window. Then, you get the query window.