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i have tested standardanalyzer with indexWriter and found that it automatically removes stopwords, however, i did not add stopwords list as following code is what i used
StandardAnalyzer analyzer = new StandardAnalyzer(Version.LUCENE_35);
IndexWriterConfig config =new IndexWriterConfig(Version.LUCENE_35, analyzer);
where is default stopwords list?
also, does this analyzer automatically stem words too??
According to the API docs, there exists a default set of stopwords (taken from English language), stored in
StandardAnalyzer.STOP_WORDS_SET. It is used if you create the analyzer with the constructorpublic StandardAnalyzer(Version matchVersion), which is exactly what you do. The set is exactly the same asStopAnalyzer.ENGLISH_STOP_WORDS_SET. You can use one of the other constructors to pass the analyzer another (possibly empty) set of stopwords.StandardAnalyzerdoesn’t stem words. If you need stemming, use for exampleSnowballAnalyzer.