Search::Xapian::BM25Weight - BM25 Weighting scheme.

Search-Xapian documentation Contained in the Search-Xapian distribution.

Index

Code Index:

NAME

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Search::Xapian::BM25Weight - BM25 Weighting scheme.

DESCRIPTION

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BM25 Weighting scheme. This is the default weighting scheme.

METHODS

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new

Constructor. Either takes no parameters, or the 4 BM25 parameters (k1, k2, k3, b) and the minimum normalised document length.

SEE ALSO

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Search::Xapian,Search::Xapian::Enquire

Search-Xapian documentation Contained in the Search-Xapian distribution. 
package Search::Xapian::BM25Weight;

use 5.006;
use strict;
use warnings;
use Carp;

use Search::Xapian::Weight;

require DynaLoader;

our @ISA = qw( DynaLoader Search::Xapian::Weight);

# In a new thread, copy objects of this class to unblessed, undef values.
sub CLONE_SKIP { 1 }

sub new {
  my $class = shift;
  my $weight;

  if (scalar(@_) == 0) {
    $weight = new1();
  } elsif (scalar(@_) == 5) {
    $weight = new2(@_);
  } else {
    Carp::carp("USAGE: $class->new(), $class->new(k1, k2, k3, b, min_normlen)");
    exit;
  }
  bless $weight, $class;
  return $weight;
}

1;

__END__