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Lu, Huayi
a24ca60074
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
15 lines
1.7 KiB
HTML
15 lines
1.7 KiB
HTML
<a name="EN-US_TOPIC_0000001145510677"></a><a name="EN-US_TOPIC_0000001145510677"></a>
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<h1 class="topictitle1">Snowball Dictionary</h1>
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<div id="body1561195448345"><p id="EN-US_TOPIC_0000001145510677__p741685911228">A <strong id="EN-US_TOPIC_0000001145510677__b1513715413303">Snowball</strong> dictionary is based on a project by Martin Porter and is used for stem analysis, providing stemming algorithms for many languages. <span id="EN-US_TOPIC_0000001145510677__text1989292856">GaussDB(DWS)</span> provides predefined <strong id="EN-US_TOPIC_0000001145510677__b61111931153417">Snowball</strong> dictionaries of many languages. You can query the <strong id="EN-US_TOPIC_0000001145510677__b1459952412484">PG_TS_DICT</strong> system catalog to view the predefined <strong id="EN-US_TOPIC_0000001145510677__b7974424153917">Snowball</strong> dictionaries and supported stemming algorithms.</p>
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<p id="EN-US_TOPIC_0000001145510677__p335412548429">A <strong id="EN-US_TOPIC_0000001145510677__b18738154313416">Snowball</strong> dictionary recognizes everything, no matter whether it is able to simplify the word. Therefore, it should be placed at the end of the dictionary list. It is useless to place it before any other dictionary because a token will never pass it through to the next dictionary.</p>
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<p id="EN-US_TOPIC_0000001145510677__p1390819885014">For details about the syntax of <strong id="EN-US_TOPIC_0000001145510677__b101761947194420">Snowball</strong> dictionaries, see <a href="dws_06_0183.html">CREATE TEXT SEARCH DICTIONARY</a>.</p>
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<p id="EN-US_TOPIC_0000001145510677__p18307854144918"></p>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_06_0102.html">Dictionaries</a></div>
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</div>
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</div>
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