[CWB] [ cwb-Bugs-1488682 ] "cut" applies to early

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Bugs item #1488682, was opened at 2006-05-15 08:13
Message generated for change (Settings changed) made by andrewhardie
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Category: CQP engine
>Group: TODO-4.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Lars Nygaard (larsnyg)
Assigned to: Stefan Evert (schtepf)
Summary: "cut" applies to early

Initial Comment:
When using CWB for parallell corpora, the "cut" keyword
does not give the correct results: It is applied to the
first corpus, and does not take into account that there
can be restrictions on the aligned regions as well,
thus returning to few hits.

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Comment By: Stefan Evert (schtepf)
Date: 2009-08-17 18:56

Message:
One of the many problems of the CQP query evaluation engine, with its
multiple-pass architecture.

If the CQP engine is rewritten to evaluate even complex queries in a
single pass (which has many other advantages, e.g. incremental query result
sets that can be serialised to disk if they do not fit into RAM), this
problem will be rather trivial to solve.

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