Revision: 19944 http://sourceforge.net/p/gate/code/19944 Author: ian_roberts Date: 2017-01-10 17:11:12 +0000 (Tue, 10 Jan 2017) Log Message: ----------- Documentation of the indexNulls option
Modified Paths: -------------- mimir/trunk/doc/plugins.tex Modified: mimir/trunk/doc/plugins.tex =================================================================== --- mimir/trunk/doc/plugins.tex 2017-01-10 16:47:16 UTC (rev 19943) +++ mimir/trunk/doc/plugins.tex 2017-01-10 17:11:12 UTC (rev 19944) @@ -33,7 +33,14 @@ The supported constructor arguments are: \bde -\item[annType:] the annotation type which the helper is to process. +\item[mode:] whether to index actual GATE annotations and their features, or to + index a single ``virtual'' annotation spanning the whole document from + document-level features. The value must be either \verb!Mode.ANNOTATION! + (the default) or \verb!Mode.DOCUMENT!, where \verb!Mode! is the enum type + \verb!gate.mimir.SemanticAnnotationHelper.Mode! +\item[annType:] the annotation type which the helper is to process, or for + document-mode helpers, the ``virtual'' annotation type under which the + specified features will be indexed. \item[nominalFeatures:] the names of the features to be indexed that have nominal values. An annotation feature is said be nominal if the range of possible values is clearly defined and limited in size. There is no hard rule @@ -50,6 +57,13 @@ possible values). \item[uriFeatures:] the names of the features to be indexed that have URIs as values. +\item[indexNulls:] (boolean, defaults to \verb!true!) if this is set to false + then instances that have no values for {\em any} of the specified features + will not be indexed at all. This is something that generally only makes + sense for document-mode helpers, when you want to index a feature that is + only present on some documents. Setting \verb!indexNulls:false! allows you + to use \verb!OVER {AnnType}! queries to restrict searches to only the + documents that have that feature. \ede The DB-based helper does not distinguish between text- and URI-valued features, This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site. ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today. http://sdm.link/xeonphi _______________________________________________ GATE-cvs mailing list GATE-cvs@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gate-cvs