Laboratoire ICAR » Plateforme TXM

When a CQL contains an '@' marker, like in for example "'je' @[pos='V.*']", the result match list contains three columns named CQI_CONST_FIELD_MATCH (start), CQI_CONST_FIELD_MATCHEND (end) and CQI_CONST_FIELD_TARGET (target: corresponding to the position of the match marked by '@' in the query, that is the verbs in the sample query).

See a complete example usage in Groovy in the CQi tutorial.

The Index, Concordance and Cooccurrence commands must use the target position in their arguments if it is present in the queries.

A command can test if an '@' target was expressed in the query by using the following test code on the results list: CQI_CQP_SUBCORPUS_HAS_FIELD("DISCOURS:RES1", CQI_CONST_FIELD_TARGET).

In some cases the target is not resolved (exemple : "je" [] [frpos=[V.+"]).

Solution 1¶

If a target position is available in the results list:

• Index, Cooccurrence: must focus the calculus only on the position marked by the @ target, ignoring the other positions. In the case of the example query, the Index builds the hierarchical lexicon of the verbs only.
  • if the target is not resolve show <null> or <vide> or <>
  • if the target is not resolved, no highlight or wrapping is done

Solution 2¶

Usage can be extended to six available ranges:

• a) 'start'
• b) range 'start - before target'
• c) 'target'
• d) range 'after target - end'
• e) 'end'
• f) range 'start - end'

Commands could offer various ways to use those different ranges as arguments.

The range selection UI could lool like :
SELECT: frpos/frlemma
FROM: start ... target ... end
[ ] ( ] [ ] [ ) [ ]
WHERE: [ CQL query ]

Solution 3¶

CQP seems to offer more markers to use.

The full list provided by CQi is:

CQI_CONST_FIELD_MATCH
CQI_CONST_FIELD_MATCHEND
CQI_CONST_FIELD_TARGET_0
CQI_CONST_FIELD_TARGET_1
CQI_CONST_FIELD_TARGET_2
CQI_CONST_FIELD_TARGET_3
CQI_CONST_FIELD_TARGET_4
CQI_CONST_FIELD_TARGET_5
CQI_CONST_FIELD_TARGET_6
CQI_CONST_FIELD_TARGET_7
CQI_CONST_FIELD_TARGET_8
CQI_CONST_FIELD_TARGET_9
CQI_CONST_FIELD_TARGET
CQI_CONST_FIELD_KEYWORD

Usage can be extended to the use of targets 0 to 9 and keyword.