mirror of https://github.com/apache/lucene.git
60 lines
2.9 KiB
Plaintext
60 lines
2.9 KiB
Plaintext
Apache Lucene
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Copyright 2011 The Apache Software Foundation
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This product includes software developed by
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The Apache Software Foundation (http://www.apache.org/).
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Includes software from other Apache Software Foundation projects,
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including, but not limited to:
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- Apache Commons
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The snowball stemmers in
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common/src/java/net/sf/snowball
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were developed by Martin Porter and Richard Boulton.
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The snowball stopword lists in
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common/src/resources/org/apache/lucene/analysis/snowball
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were developed by Martin Porter and Richard Boulton.
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The full snowball package is available from
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http://snowball.tartarus.org/
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The Arabic,Persian,Romanian,Bulgarian, and Hindi analyzers (common) come with a default
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stopword list that is BSD-licensed created by Jacques Savoy. These files reside in:
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common/src/resources/org/apache/lucene/analysis/ar/stopwords.txt,
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common/src/resources/org/apache/lucene/analysis/fa/stopwords.txt,
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common/src/resources/org/apache/lucene/analysis/ro/stopwords.txt,
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common/src/resources/org/apache/lucene/analysis/bg/stopwords.txt,
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common/src/resources/org/apache/lucene/analysis/hi/stopwords.txt
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See http://members.unine.ch/jacques.savoy/clef/index.html.
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The German,Spanish,Finnish,French,Hungarian,Italian,Portuguese,Russian and Swedish light stemmers
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(common) are based on BSD-licensed reference implementations created by Jacques Savoy and
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Ljiljana Dolamic. These files reside in:
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common/src/java/org/apache/lucene/analysis/de/GermanLightStemmer.java
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common/src/java/org/apache/lucene/analysis/de/GermanMinimalStemmer.java
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common/src/java/org/apache/lucene/analysis/es/SpanishLightStemmer.java
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common/src/java/org/apache/lucene/analysis/fi/FinnishLightStemmer.java
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common/src/java/org/apache/lucene/analysis/fr/FrenchLightStemmer.java
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common/src/java/org/apache/lucene/analysis/fr/FrenchMinimalStemmer.java
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common/src/java/org/apache/lucene/analysis/hu/HungarianLightStemmer.java
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common/src/java/org/apache/lucene/analysis/it/ItalianLightStemmer.java
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common/src/java/org/apache/lucene/analysis/pt/PortugueseLightStemmer.java
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common/src/java/org/apache/lucene/analysis/ru/RussianLightStemmer.java
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common/src/java/org/apache/lucene/analysis/sv/SwedishLightStemmer.java
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The Stempel analyzer (stempel) includes BSD-licensed software developed
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by the Egothor project http://egothor.sf.net/, created by Leo Galambos, Martin Kvapil,
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and Edmond Nolan.
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The Polish analyzer (stempel) comes with a default
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stopword list that is BSD-licensed created by the Carrot2 project. The file resides
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in stempel/src/resources/org/apache/lucene/analysis/pl/stopwords.txt.
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See http://project.carrot2.org/license.html.
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The SmartChineseAnalyzer source code (smartcn) was
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provided by Xiaoping Gao and copyright 2009 by www.imdict.net.
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WordBreakTestUnicode_*.java (under modules/analysis/common/src/test/)
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is derived from Unicode data such as the Unicode Character Database.
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See http://unicode.org/copyright.html for more details.
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