Current File : /www/varak.net/wiki.varak.net/extensions/CirrusSearch/profiles/SimilarityProfiles.php
<?php
/**
* CirrusSearch - List of Similarity profiles
* Configure the Similarity function used for scoring
* see https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules-similarity.html
*
* A reindex is required when changes are made to the similarity configuration.
* NOTE the parameters that do not affect indexed values can be tuned manually
* in the index settings but it is possible only on a closed index.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*/
$wgCirrusSearchSimilarityProfiles = [
// default profile, uses the classic TF/IDF from Lucene
'default' => [],
// BM25 with default values for k and a for all fields
'bm25_with_defaults' => [
'similarity' => [
'bm25' => [
'type' => 'BM25'
]
],
'fields' => [
'__default__' => 'bm25',
]
],
// Example with "randomly" tuned values
// (do not use)
'bm25_tuned' => [
'similarity' => [
'title' => [
'type' => 'BM25',
'k1' => 1.23,
'b' => 0.75,
],
'opening' => [
'type' => 'BM25',
'k1' => 1.22,
'b' => 0.75,
],
'arrays' => [
'type' => 'BM25',
'k1' => 1.1,
'b' => 0.3,
],
'text' => [
'type' => 'BM25',
'k1' => 1.3,
'b' => 0.80,
],
],
'fields' => [
'__default__' => 'text',
// Field specific config
'opening_text' => 'opening',
'category' => 'arrays',
'title' => 'title',
'heading' => 'arrays',
'suggest' => 'title',
],
],
'bm25_browser_tests' => [
'similarity' => [
// Lower norms impact, cirrustestwiki is not well
// balanced with many small docs without opening nor
// heading resulting in very low avg field length
// on such fields
'lower_norms' => [
'type' => 'BM25',
'k1' => 1.2,
'b' => 0.3,
],
'with_defaults' => [
'type' => 'BM25',
]
],
'fields' => [
'__default__' => 'lower_norms',
],
],
];
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