Class: SClust::Util::DocumentTermFilter

Inherits:
Filter
  • Object
show all
Defined in:
lib/sclust/util/filters.rb

Overview

Filters a document term

Instance Method Summary collapse

Methods inherited from Filter

#after, #apply, #before

Constructor Details

#initialize ⇒ DocumentTermFilter

Returns a new instance of DocumentTermFilter.



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# File 'lib/sclust/util/filters.rb', line 185

def initialize()
    super()
    after(LowercaseFilter.new())
    after(StopwordFilter.new())
    after(TrimWhitespace.new())
    #after(StemFilter.new())
end

Instance Method Details

#filter(term) ⇒ Object

Return nil if the term should be excluded. Otherwise the version of the term that should be included is returned.



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# File 'lib/sclust/util/filters.rb', line 195

def filter(term)
    if ( term =~ /^[\d\.]+$/ )
        nil
    else
        term
    end
end