alessandrobenedetti commented on code in PR #12169: URL: https://github.com/apache/lucene/pull/12169#discussion_r1143194215
########## lucene/analysis/common/src/java/org/apache/lucene/analysis/synonym/word2vec/Dl4jModelReader.java: ########## @@ -0,0 +1,122 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.lucene.analysis.synonym.word2vec; + +import java.io.BufferedInputStream; +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.UnsupportedEncodingException; +import java.nio.charset.StandardCharsets; +import java.util.Base64; +import java.util.Locale; +import java.util.zip.ZipEntry; +import java.util.zip.ZipInputStream; +import org.apache.lucene.util.BytesRef; +import org.apache.lucene.util.TermAndVector; + +/** + * Word2VecModelReader is a Word2VecModelReader that reads the file generated by the library + * Deeplearning4j + * + * <p>Dl4j Word2Vec documentation: + * https://deeplearning4j.konduit.ai/v/en-1.0.0-beta7/language-processing/word2vec Example to + * generate a model using dl4j: + * https://github.com/eclipse/deeplearning4j-examples/blob/master/dl4j-examples/src/main/java/org/deeplearning4j/examples/advanced/modelling/embeddingsfromcorpus/word2vec/Word2VecRawTextExample.java + * + * @lucene.experimental + */ +public class Dl4jModelReader implements Word2VecModelReader { Review Comment: For the sake of context, I worked with @dantuzi on deciding if implementing a custom reader(this one) or using dl4j as an imported library. Multiple attempts were done to include dl4j as a library in Lucene, but the effort and impact was not worth it so we reverted to a simple custom reader class. There are downsides for this of course, ma it's much more lightweight -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
