Split out opennlp-linguistics

14 files changed, 0 insertions, 783 deletions

diff --git a/linguistics/pom.xml b/linguistics/pom.xml
index 87ecc35ba2c..bfbf1beeaea 100644
--- a/linguistics/pom.xml
+++ b/linguistics/pom.xml
@@ -58,10 +58,6 @@
       <scope>provided</scope>
       <classifier>no_aop</classifier>
     </dependency>
-    <dependency>
-      <groupId>org.apache.opennlp</groupId>
-      <artifactId>opennlp-tools</artifactId>
-    </dependency>
   </dependencies>
   <build>
     <plugins>
diff --git a/linguistics/src/main/java/com/yahoo/language/opennlp/DefaultLanguageDetectorContextGenerator.java b/linguistics/src/main/java/com/yahoo/language/opennlp/DefaultLanguageDetectorContextGenerator.java
deleted file mode 100644
index 27c23d8d3e6..00000000000
--- a/linguistics/src/main/java/com/yahoo/language/opennlp/DefaultLanguageDetectorContextGenerator.java
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-import opennlp.tools.ngram.NGramCharModel;
-import opennlp.tools.util.normalizer.CharSequenceNormalizer;
-
-import java.util.HashSet;
-import java.util.Set;
-
-/**
- * Avoids using the unnecessarily slow {@link NGramCharModel}.
- *
- * @author jonmv
- */
-public class DefaultLanguageDetectorContextGenerator extends opennlp.tools.langdetect.DefaultLanguageDetectorContextGenerator {
-
-    public DefaultLanguageDetectorContextGenerator(int minLength, int maxLength, CharSequenceNormalizer... normalizers) {
-        super(minLength, maxLength, normalizers);
-    }
-
-    @Override
-    public String[] getContext(CharSequence document) {
-        int[] normalized = normalizer.normalize(document).codePoints().map(Character::toLowerCase).toArray();
-        Set<String> grams = new HashSet<>();
-        for (int i = 0; i < normalized.length; i++)
-            for (int j = minLength; j <= maxLength && i + j < normalized.length; j++)
-                grams.add(new String(normalized, i, j));
-
-        return grams.toArray(new String[grams.size()]);
-    }
-
-}
diff --git a/linguistics/src/main/java/com/yahoo/language/opennlp/LanguageDetectorFactory.java b/linguistics/src/main/java/com/yahoo/language/opennlp/LanguageDetectorFactory.java
deleted file mode 100644
index 0cf4634c6c3..00000000000
--- a/linguistics/src/main/java/com/yahoo/language/opennlp/LanguageDetectorFactory.java
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-import opennlp.tools.langdetect.LanguageDetectorContextGenerator;
-
-/**
- * Overrides the UrlCharSequenceNormalizer, which has a bad regex, until fixed: https://issues.apache.org/jira/browse/OPENNLP-1350
- *
- * @author jonmv
- */
-@SuppressWarnings("unused") // Loaded by black magic: specified in properties in the loaded model.
-public class LanguageDetectorFactory extends opennlp.tools.langdetect.LanguageDetectorFactory {
-
-    @Override
-    public LanguageDetectorContextGenerator getContextGenerator() {
-        return new DefaultLanguageDetectorContextGenerator(1, 3,
-                                                           VespaCharSequenceNormalizer.getInstance());
-    }
-
-}
diff --git a/linguistics/src/main/java/com/yahoo/language/opennlp/OpenNlpDetector.java b/linguistics/src/main/java/com/yahoo/language/opennlp/OpenNlpDetector.java
deleted file mode 100644
index d7a7d3a4744..00000000000
--- a/linguistics/src/main/java/com/yahoo/language/opennlp/OpenNlpDetector.java
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-import com.yahoo.language.Language;
-import com.yahoo.language.detect.Detection;
-import com.yahoo.language.detect.Detector;
-import com.yahoo.language.detect.Hint;
-import com.yahoo.language.simple.SimpleDetector;
-import opennlp.tools.langdetect.LanguageDetectorConfig;
-import opennlp.tools.langdetect.LanguageDetectorME;
-import opennlp.tools.langdetect.LanguageDetectorModel;
-
-import java.io.IOException;
-import java.io.UncheckedIOException;
-import java.nio.ByteBuffer;
-import java.nio.charset.Charset;
-import java.util.HashMap;
-import java.util.Locale;
-import java.util.Map;
-
-import static java.nio.charset.StandardCharsets.UTF_8;
-
-/**
- * Detects text language using patched OpenNLP, with fallback to {@link SimpleDetector} for undetected CJK input.
- *
- * @author jonmv
- */
-class OpenNlpDetector implements Detector {
-
-    private static final Object monitor = new Object();
-    private static LanguageDetectorModel model;
-
-    private final SimpleDetector simple = new SimpleDetector();
-    private final Map<String, Language> languagesByISO3 = new HashMap<>();
-    private final LanguageDetectorME detector;
-    private final LanguageDetectorConfig config;
-
-    OpenNlpDetector() {
-        detector = new LanguageDetectorME(loadModel());
-        config = new LanguageDetectorConfig();
-        config.setMinDiff(0.02);
-        config.setChunkSize(32);
-        config.setMaxLength(256);
-        for (Locale locale : Locale.getAvailableLocales()) {
-            Language language = Language.fromLocale(locale);
-            if (language != null)
-                languagesByISO3.put(locale.getISO3Language(), language);
-        }
-    }
-
-    private static LanguageDetectorModel loadModel() {
-        synchronized (monitor) {
-            if (model == null) {
-                try {
-                    model = new LanguageDetectorModel(OpenNlpDetector.class.getResourceAsStream("/models/langdetect-183.bin"));
-                }
-                catch (IOException e) {
-                    throw new UncheckedIOException(e);
-                }
-            }
-        }
-        return model;
-    }
-
-    @Override
-    public Detection detect(byte[] input, int offset, int length, Hint hint) {
-        Charset encoding = Charset.forName(simple.guessEncoding(input, offset, length));
-        return new Detection(detectLanguage(new String(input, offset, length, encoding)), encoding.name(), false);
-    }
-
-    @Override
-    public Detection detect(ByteBuffer input, Hint hint) {
-        if (input.hasArray())
-            return detect(input.array(), input.arrayOffset() + input.position(), input.remaining(), hint);
-
-        byte[] buffer = new byte[input.remaining()];
-        input.get(buffer);
-        return detect(buffer, 0, buffer.length, hint);
-    }
-
-    @Override
-    public Detection detect(String input, Hint hint) {
-        return new Detection(detectLanguage(input), UTF_8.name(), false);
-    }
-
-    private Language detectLanguage(String input) {
-        var prediction = detector.probingPredictLanguages(input, config).getLanguages()[0];
-        var result = prediction.getConfidence() > 0.02 ? languagesByISO3.get(prediction.getLang()) : null;
-        return result != null ? result : simple.guessLanguage(input.substring(0, Math.min(input.length(), 256)));
-    }
-
-}
diff --git a/linguistics/src/main/java/com/yahoo/language/opennlp/OpenNlpLinguistics.java b/linguistics/src/main/java/com/yahoo/language/opennlp/OpenNlpLinguistics.java
deleted file mode 100644
index 1d96d8a0cdf..00000000000
--- a/linguistics/src/main/java/com/yahoo/language/opennlp/OpenNlpLinguistics.java
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-import com.yahoo.component.annotation.Inject;
-import com.yahoo.language.Linguistics;
-import com.yahoo.language.detect.Detector;
-import com.yahoo.language.process.Tokenizer;
-import com.yahoo.language.simple.SimpleLinguistics;
-
-/**
- * Returns a linguistics implementation based on OpenNlp.
- *
- * @author bratseth
- * @author jonmv
- */
-public class OpenNlpLinguistics extends SimpleLinguistics {
-
-    private final Detector detector;
-
-    @Inject
-    public OpenNlpLinguistics() {
-        this.detector = new OpenNlpDetector();
-    }
-
-    @Override
-    public Tokenizer getTokenizer() {
-        return new OpenNlpTokenizer(getNormalizer(), getTransformer());
-    }
-
-    @Override
-    public Detector getDetector() { return detector; }
-
-    @Override
-    public boolean equals(Linguistics other) { return (other instanceof OpenNlpLinguistics); }
-
-}
diff --git a/linguistics/src/main/java/com/yahoo/language/opennlp/OpenNlpTokenizer.java b/linguistics/src/main/java/com/yahoo/language/opennlp/OpenNlpTokenizer.java
deleted file mode 100644
index 8080dc92729..00000000000
--- a/linguistics/src/main/java/com/yahoo/language/opennlp/OpenNlpTokenizer.java
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-import com.yahoo.language.Language;
-import com.yahoo.language.LinguisticsCase;
-import com.yahoo.language.process.Normalizer;
-import com.yahoo.language.process.SpecialTokenRegistry;
-import com.yahoo.language.process.StemMode;
-import com.yahoo.language.process.Token;
-import com.yahoo.language.process.Tokenizer;
-import com.yahoo.language.process.Transformer;
-import com.yahoo.language.simple.SimpleNormalizer;
-import com.yahoo.language.simple.SimpleTokenizer;
-import com.yahoo.language.simple.SimpleTransformer;
-import opennlp.tools.stemmer.Stemmer;
-import opennlp.tools.stemmer.snowball.SnowballStemmer;
-
-import java.util.List;
-
-/**
- * Tokenizer using OpenNlp
- *
- * @author matskin
- * @author bratseth
- */
-public class OpenNlpTokenizer implements Tokenizer {
-
-    private final static int SPACE_CODE = 32;
-    private final Normalizer normalizer;
-    private final Transformer transformer;
-    private final SimpleTokenizer simpleTokenizer;
-    private final SpecialTokenRegistry specialTokenRegistry;
-
-    public OpenNlpTokenizer() {
-        this(new SimpleNormalizer(), new SimpleTransformer());
-    }
-
-    public OpenNlpTokenizer(Normalizer normalizer, Transformer transformer) {
-        this(normalizer, transformer, new SpecialTokenRegistry(List.of()));
-    }
-
-    public OpenNlpTokenizer(Normalizer normalizer, Transformer transformer, SpecialTokenRegistry specialTokenRegistry) {
-        this.normalizer = normalizer;
-        this.transformer = transformer;
-        this.specialTokenRegistry = specialTokenRegistry;
-        this.simpleTokenizer = new SimpleTokenizer(normalizer, transformer, specialTokenRegistry);
-    }
-
-    @Override
-    public Iterable<Token> tokenize(String input, Language language, StemMode stemMode, boolean removeAccents) {
-        Stemmer stemmer = stemmerFor(language, stemMode);
-        if (stemmer == null)
-            return simpleTokenizer.tokenize(input, language, stemMode, removeAccents);
-        else
-            return simpleTokenizer.tokenize(input, token -> processToken(token, language, stemMode, removeAccents, stemmer));
-    }
-
-    private String processToken(String token, Language language, StemMode stemMode, boolean removeAccents,
-                                Stemmer stemmer) {
-        token = normalizer.normalize(token);
-        token = LinguisticsCase.toLowerCase(token);
-        if (removeAccents)
-            token = transformer.accentDrop(token, language);
-        if (stemMode != StemMode.NONE)
-            token = stemmer.stem(token).toString();
-        return token;
-    }
-
-    private Stemmer stemmerFor(Language language, StemMode stemMode) {
-        if (language == null || language == Language.ENGLISH || stemMode == StemMode.NONE) return null;
-        SnowballStemmer.ALGORITHM algorithm = algorithmFor(language);
-        if (algorithm == null) return null;
-        return new SnowballStemmer(algorithm);
-    }
-
-    private SnowballStemmer.ALGORITHM algorithmFor(Language language) {
-        switch (language) {
-            case DANISH: return SnowballStemmer.ALGORITHM.DANISH;
-            case DUTCH: return SnowballStemmer.ALGORITHM.DUTCH;
-            case FINNISH: return SnowballStemmer.ALGORITHM.FINNISH;
-            case FRENCH: return SnowballStemmer.ALGORITHM.FRENCH;
-            case GERMAN: return SnowballStemmer.ALGORITHM.GERMAN;
-            case HUNGARIAN: return SnowballStemmer.ALGORITHM.HUNGARIAN;
-            case IRISH: return SnowballStemmer.ALGORITHM.IRISH;
-            case ITALIAN: return SnowballStemmer.ALGORITHM.ITALIAN;
-            case NORWEGIAN_BOKMAL: return SnowballStemmer.ALGORITHM.NORWEGIAN;
-            case NORWEGIAN_NYNORSK: return SnowballStemmer.ALGORITHM.NORWEGIAN;
-            case PORTUGUESE: return SnowballStemmer.ALGORITHM.PORTUGUESE;
-            case ROMANIAN: return SnowballStemmer.ALGORITHM.ROMANIAN;
-            case RUSSIAN: return SnowballStemmer.ALGORITHM.RUSSIAN;
-            case SPANISH: return SnowballStemmer.ALGORITHM.SPANISH;
-            case SWEDISH: return SnowballStemmer.ALGORITHM.SWEDISH;
-            case TURKISH: return SnowballStemmer.ALGORITHM.TURKISH;
-            case ENGLISH: return SnowballStemmer.ALGORITHM.ENGLISH;
-            default: return null;
-        }
-    }
-
-}
diff --git a/linguistics/src/main/java/com/yahoo/language/opennlp/UrlCharSequenceNormalizer.java b/linguistics/src/main/java/com/yahoo/language/opennlp/UrlCharSequenceNormalizer.java
deleted file mode 100644
index 883319e2f8b..00000000000
--- a/linguistics/src/main/java/com/yahoo/language/opennlp/UrlCharSequenceNormalizer.java
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-import opennlp.tools.util.normalizer.CharSequenceNormalizer;
-
-import java.util.regex.Pattern;
-
-/**
- * Modifies {@link opennlp.tools.util.normalizer.UrlCharSequenceNormalizer} to avoid the bad email regex.
- *
- * @author jonmv
- */
-public class UrlCharSequenceNormalizer implements CharSequenceNormalizer {
-
-    private static final Pattern URL_REGEX =
-            Pattern.compile("https?://[-_.?&~;+=/#0-9A-Za-z]+");
-    private static final Pattern MAIL_REGEX =
-            Pattern.compile("(?<![-+_.0-9A-Za-z])[-+_.0-9A-Za-z]+@[-0-9A-Za-z]+[-.0-9A-Za-z]+");
-
-    private static final UrlCharSequenceNormalizer INSTANCE = new UrlCharSequenceNormalizer();
-
-    public static UrlCharSequenceNormalizer getInstance() {
-        return INSTANCE;
-    }
-
-    public CharSequence normalize(CharSequence text) {
-        String modified = URL_REGEX.matcher(text).replaceAll(" ");
-        return MAIL_REGEX.matcher(modified).replaceAll(" ");
-    }
-
-}
diff --git a/linguistics/src/main/java/com/yahoo/language/opennlp/VespaCharSequenceNormalizer.java b/linguistics/src/main/java/com/yahoo/language/opennlp/VespaCharSequenceNormalizer.java
deleted file mode 100644
index df8f3fad520..00000000000
--- a/linguistics/src/main/java/com/yahoo/language/opennlp/VespaCharSequenceNormalizer.java
+++ /dev/null
@@ -1,51 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-import opennlp.tools.util.normalizer.CharSequenceNormalizer;
-
-import java.util.function.IntConsumer;
-import java.util.stream.IntStream;
-
-/**
- * Simple normalizer
- *
- * @author arnej
- */
-public class VespaCharSequenceNormalizer implements CharSequenceNormalizer {
-
-    private static final VespaCharSequenceNormalizer INSTANCE = new VespaCharSequenceNormalizer();
-
-    public static VespaCharSequenceNormalizer getInstance() {
-        return INSTANCE;
-    }
-
-    // filter replacing sequences of non-letters with a single space
-    static class OnlyLetters implements IntStream.IntMapMultiConsumer {
-        boolean addSpace = false;
-        public void accept(int codepoint, IntConsumer target) {
-            if (WordCharDetector.isWordChar(codepoint)) {
-                if (addSpace) {
-                    target.accept(' ');
-                    addSpace = false;
-                }
-                target.accept(Character.toLowerCase(codepoint));
-            } else {
-                addSpace = true;
-            }
-        }
-    }
-
-    public CharSequence normalize(CharSequence text) {
-        if (text.isEmpty()) {
-            return text;
-        }
-        var r = text
-                .codePoints()
-                .mapMulti(new OnlyLetters())
-                .collect(StringBuilder::new,
-                         StringBuilder::appendCodePoint,
-                         StringBuilder::append);
-        return r;
-    }
-
-}
diff --git a/linguistics/src/main/java/com/yahoo/language/opennlp/WordCharDetector.java b/linguistics/src/main/java/com/yahoo/language/opennlp/WordCharDetector.java
deleted file mode 100644
index d7e3f88ae8d..00000000000
--- a/linguistics/src/main/java/com/yahoo/language/opennlp/WordCharDetector.java
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-class WordCharDetector {
-    public static boolean isWordChar(int codepoint) {
-        int unicodeGeneralCategory = Character.getType(codepoint);
-        switch (unicodeGeneralCategory) {
-        case Character.LOWERCASE_LETTER:
-        case Character.OTHER_LETTER:
-        case Character.TITLECASE_LETTER:
-        case Character.UPPERCASE_LETTER:
-        case Character.MODIFIER_LETTER:
-            return true;
-/*
- * these are the other categories, currently considered non-word-chars:
- *
-        case Character.CONNECTOR_PUNCTUATION:
-        case Character.CONTROL:
-        case Character.CURRENCY_SYMBOL:
-        case Character.DASH_PUNCTUATION:
-        case Character.ENCLOSING_MARK:
-        case Character.END_PUNCTUATION:
-        case Character.FINAL_QUOTE_PUNCTUATION:
-        case Character.FORMAT:
-        case Character.INITIAL_QUOTE_PUNCTUATION:
-        case Character.MATH_SYMBOL:
-        case Character.MODIFIER_SYMBOL:
-        case Character.NON_SPACING_MARK:
-        case Character.OTHER_PUNCTUATION:
-        case Character.OTHER_SYMBOL:
-        case Character.PRIVATE_USE:
-        case Character.START_PUNCTUATION:
-        case Character.SURROGATE:
-        case Character.UNASSIGNED:
-        case Character.DECIMAL_DIGIT_NUMBER:
-        case Character.LETTER_NUMBER:
-        case Character.OTHER_NUMBER:
-        case Character.COMBINING_SPACING_MARK:
-        case Character.LINE_SEPARATOR:
-        case Character.SPACE_SEPARATOR:
-        case Character.PARAGRAPH_SEPARATOR:
- *
- */
-        default:
-            return false;
-        }
-    }
-}
diff --git a/linguistics/src/main/java/com/yahoo/language/opennlp/package-info.java b/linguistics/src/main/java/com/yahoo/language/opennlp/package-info.java
deleted file mode 100644
index 9606578b3ac..00000000000
--- a/linguistics/src/main/java/com/yahoo/language/opennlp/package-info.java
+++ /dev/null
@@ -1,5 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-@ExportPackage
-package com.yahoo.language.opennlp;
-
-import com.yahoo.osgi.annotation.ExportPackage;
diff --git a/linguistics/src/main/resources/models/langdetect-183.bin b/linguistics/src/main/resources/models/langdetect-183.bin
deleted file mode 100644
index c3cde217050..00000000000
--- a/linguistics/src/main/resources/models/langdetect-183.bin
+++ /dev/null
diff --git a/linguistics/src/test/java/com/yahoo/language/opennlp/OpenNlpDetectorTestCase.java b/linguistics/src/test/java/com/yahoo/language/opennlp/OpenNlpDetectorTestCase.java
deleted file mode 100644
index 746ed10da1c..00000000000
--- a/linguistics/src/test/java/com/yahoo/language/opennlp/OpenNlpDetectorTestCase.java
+++ /dev/null
@@ -1,87 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-import com.yahoo.language.Language;
-import com.yahoo.language.detect.Detector;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/**
- * @author jonmv
- */
-public class OpenNlpDetectorTestCase {
-
-    @Test
-    public void testDetection() {
-        Detector detector = new OpenNlpDetector();
-
-        assertLanguage(Language.UNKNOWN,
-                       "",
-                       detector);
-
-        assertLanguage(Language.UNKNOWN,
-                       "Hello!",
-                       detector);
-
-        // from https://en.wikipedia.org/wiki/Yahoo
-        assertLanguage(Language.ENGLISH,
-                       "Yahoo became a public company via an initial public offering in April 1996 and its stock price rose 600% within two years.",
-                       detector);
-
-        // from https://de.wikipedia.org/wiki/Yahoo
-        assertLanguage(Language.GERMAN,
-                       "1996 ging Yahoo mit 46 Angestellten an die Börse. 2009 arbeiteten insgesamt rund 13.500 Mitarbeiter für Yahoo.",
-                       detector);
-
-        // from https://fr.wikipedia.org/wiki/Yahoo
-        assertLanguage(Language.FRENCH,
-                       "À l'origine, Yahoo! était uniquement un annuaire Web.",
-                       detector);
-
-        // Test fallback to SimpleDetector
-        assertLanguage(Language.CHINESE_TRADITIONAL, // CHINESE_SIMPLIFIED input
-                       "我能吞下玻璃而不伤身体。",
-                       detector);
-
-        // from https://zh.wikipedia.org/wiki/Yahoo
-        assertLanguage(Language.CHINESE_TRADITIONAL,
-                       "Yahoo! Next是一个展示雅虎新技术、新产品的场所，目前在测试阶段。",
-                       detector);
-
-        // from https://th.wikipedia.org/wiki/Yahoo
-        assertLanguage(Language.THAI,
-                       "เดือนกรกฎาคม 2012 Yahoo! ก็ได้ประธานเจ้าหน้าที่บริหารคนใหม่ \"มาริสสา เมเยอร์\" อดีตผู้บริหารจาก Google มาทำหน้าที่พลิกฟื้นบริษัท",
-                       detector);
-
-        // from https://ar.wikipedia.org/wiki/Yahoo
-        assertLanguage(Language.ARABIC,
-                       "وفقًا لمزودي تحليلات الويب دائما كأليكسا وسميلارويب،وصل موقع ياهولأكثر من 7 مليارات مشاهدة شهريًا - حيث احتل المرتبة السادسة بين أكثر مواقع الويب زيارة على مستوى العالم في عام 2016.",
-                       detector);
-
-        // from https://ko.wikipedia.org/wiki/Yahoo
-        assertLanguage(Language.KOREAN,
-                       "야후!의 전신인 디렉터리 사이트는 1994년 1월에 스탠퍼드 대학교 출신의 제리 양과 데이비드 파일로가 만들었으며, 회사는 1995년 3월 2일에 설립되었다.",
-                       detector);
-
-        // from https://ja.wikipedia.org/wiki/Yahoo
-        assertLanguage(Language.JAPANESE,
-                       "日本では、ヤフー株式会社がYahoo!（後にベライゾンがアルタバに売却）とソフトバンクの合弁会社として1996年に設立した。",
-                       detector);
-
-        // from https://ru.wikipedia.org/wiki/Yahoo
-        assertLanguage(Language.RUSSIAN,
-                       "7 февраля 2000 года Yahoo.com подвергся DDoS атаке и на несколько часов приостановил работу.",
-                       detector);
-
-        // from https://he.wikipedia.org/wiki/Yahoo
-        assertLanguage(Language.HEBREW,
-                       "אתר יאהו! הוא אחד מאתרי האינטרנט הפופולריים ביותר בעולם, עם מעל 500 מיליון כניסות בכל יום",
-                       detector);
-    }
-
-    private void assertLanguage(Language language, String input, Detector detector) {
-        assertEquals(language, detector.detect(input, null).getLanguage());
-    }
-
-}
diff --git a/linguistics/src/test/java/com/yahoo/language/opennlp/OpenNlpTokenizationTestCase.java b/linguistics/src/test/java/com/yahoo/language/opennlp/OpenNlpTokenizationTestCase.java
deleted file mode 100644
index cd2a0f73895..00000000000
--- a/linguistics/src/test/java/com/yahoo/language/opennlp/OpenNlpTokenizationTestCase.java
+++ /dev/null
@@ -1,258 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-import com.yahoo.language.Language;
-import com.yahoo.language.process.StemMode;
-import com.yahoo.language.process.Token;
-import com.yahoo.language.process.TokenType;
-import com.yahoo.language.process.Tokenizer;
-import org.junit.Test;
-
-
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.NoSuchElementException;
-
-import static com.yahoo.language.LinguisticsCase.toLowerCase;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-
-/**
- * Test of tokenization, with stemming and accent removal
- *
- * @author matskin
- */
-public class OpenNlpTokenizationTestCase {
-
-    private final Tokenizer tokenizer = new OpenNlpTokenizer();
-
-    @Test
-    public void testTokenizer() {
-        assertTokenize("This is a test, 123",
-                       List.of("this", "is", "a", "test", "123"),
-                       List.of("This", " ", "is", " ", "a", " ", "test", ",", " ", "123"));
-    }
-
-    @Test
-    public void testUnderScoreTokenization() {
-        assertTokenize("ugcapi_1", Language.ENGLISH, StemMode.SHORTEST, true, List.of("ugcapi", "1"), null);
-    }
-
-    @Test
-    public void testPhrasesWithPunctuation() {
-        assertTokenize("PHY_101.html a space/time or space-time course", Language.ENGLISH, StemMode.NONE,
-                       false,
-                       List.of("phy", "101", "html", "a", "space", "time", "or", "space", "time", "course"),
-                       null);
-        assertTokenize("PHY_101.", Language.ENGLISH, StemMode.NONE, false, List.of("phy", "101"), null);
-        assertTokenize("101.3", Language.ENGLISH, StemMode.NONE, false, List.of("101", "3"), null);
-    }
-
-    @Test
-    public void testDoubleWidthTokenization() {
-        // "sony"
-        assertTokenize("\uFF53\uFF4F\uFF4E\uFF59", Language.ENGLISH, StemMode.NONE, false,
-                       List.of("sony"), null);
-        assertTokenize("\uFF53\uFF4F\uFF4E\uFF59", Language.ENGLISH, StemMode.SHORTEST, false,
-                       List.of("sony"), null);
-        // "SONY"
-        assertTokenize("\uFF33\uFF2F\uFF2E\uFF39", Language.ENGLISH, StemMode.NONE, false,
-                       List.of("sony"), null);
-        assertTokenize("\uFF33\uFF2F\uFF2E\uFF39", Language.ENGLISH, StemMode.SHORTEST, false,
-                       List.of("sony"), null);
-        // "on"
-        assertTokenize("\uFF4F\uFF4E", Language.ENGLISH, StemMode.NONE, false,
-                       List.of("on"), null);
-        assertTokenize("\uFF4F\uFF4E", Language.ENGLISH, StemMode.SHORTEST, false,
-                       List.of("on"), null);
-        // "ON"
-        assertTokenize("\uFF2F\uFF2E", Language.ENGLISH, StemMode.NONE, false,
-                       List.of("on"), null);
-        assertTokenize("\uFF2F\uFF2E", Language.ENGLISH, StemMode.SHORTEST, false,
-                       List.of("on"), null);
-        assertTokenize("наименование", Language.RUSSIAN, StemMode.SHORTEST, false,
-                       List.of("наименован"), null);
-    }
-
-    @Test
-    public void testLargeTextTokenization() {
-        String input = "teststring ".repeat(100000);
-        int numTokens = 0;
-        List<Long> pos = new ArrayList<>();
-        for (Token t : tokenizer.tokenize(input, Language.ENGLISH, StemMode.NONE, false)) {
-            numTokens++;
-            if ((numTokens % 100) == 0) {
-                pos.add(t.getOffset());
-            }
-        }
-
-        assertEquals("Check that all tokens have been tokenized", numTokens, 200000);
-        assertTrue("Increasing token pos", assertMonoIncr(pos));
-    }
-
-    @Test
-    public void testLargeTokenGuard() {
-        String input = "ab".repeat(128 * 256);
-        Iterator<Token> it = tokenizer.tokenize(input, Language.ENGLISH, StemMode.NONE, false).iterator();
-        assertTrue(it.hasNext());
-        assertNotNull(it.next().getTokenString());
-        assertFalse(it.hasNext());
-    }
-
-    @Test
-    public void testTokenIterator() {
-        Iterator<Token> it = tokenizer.tokenize("", Language.ENGLISH, StemMode.NONE, false).iterator();
-        assertFalse(it.hasNext());
-        try {
-            it.next();
-            fail();
-        } catch (NoSuchElementException e) {
-            // success
-        }
-
-        it = tokenizer.tokenize("", Language.ENGLISH, StemMode.NONE, false).iterator();
-        assertFalse(it.hasNext());
-
-        it = tokenizer.tokenize("one two three", Language.ENGLISH, StemMode.NONE, false).iterator();
-        assertNotNull(it.next());
-        assertNotNull(it.next());
-        assertNotNull(it.next());
-        assertNotNull(it.next());
-        assertNotNull(it.next());
-        assertFalse(it.hasNext());
-    }
-
-    @Test
-    public void testGetOffsetLength() {
-        String input = "Deka-Chef Weber r\u00e4umt Kommunikationsfehler ein";
-        long[] expOffset = { 0, 4, 5, 9, 10, 15, 16, 21, 22, 42, 43 };
-        int[] len = { 4, 1, 4, 1, 5, 1, 5, 1, 20, 1, 3 };
-
-        int idx = 0;
-        for (Token token : tokenizer.tokenize(input, Language.GERMAN, StemMode.SHORTEST, false)) {
-            assertEquals("Token offset for token #" + idx, expOffset[idx], token.getOffset());
-            assertEquals("Token len for token #" + idx, len[idx], token.getOrig().length());
-            idx++;
-        }
-    }
-
-    @Test
-    public void testRecursiveDecompose() {
-        for (Token t : tokenizer.tokenize("\u00a510%", Language.ENGLISH, StemMode.SHORTEST, false)) {
-            recurseDecompose(t);
-        }
-    }
-
-    @Test
-    public void testIndexability() {
-        String input = "tafsirnya\u0648\u0643\u064F\u0646\u0652";
-        for (StemMode stemMode : new StemMode[] { StemMode.NONE,
-                StemMode.SHORTEST }) {
-            for (Language l : List.of(Language.INDONESIAN, Language.ENGLISH, Language.ARABIC)) {
-                for (boolean accentDrop : new boolean[] { true, false }) {
-                    for (Token token : tokenizer.tokenize(input, l, stemMode, accentDrop)) {
-                        if (token.getTokenString().length() == 0) {
-                            assertFalse(token.isIndexable());
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    @Test
-    public void testTokenTypes() {
-        testTokenTypes(Language.ENGLISH);
-        testTokenTypes(Language.SPANISH);
-    }
-
-    public void testTokenTypes(Language language) {
-        assertEquals(TokenType.ALPHABETIC, tokenize("word", language).iterator().next().getType());
-        assertEquals(TokenType.NUMERIC, tokenize("123", language).iterator().next().getType());
-        assertEquals(TokenType.SPACE, tokenize(" ", language).iterator().next().getType());
-        assertEquals(TokenType.PUNCTUATION, tokenize(".", language).iterator().next().getType());
-        assertEquals(TokenType.ALPHABETIC, tokenize("123word", language).iterator().next().getType());
-
-        var tokens = tokenize("123 123word word123", language).iterator();
-        assertEquals(TokenType.NUMERIC, tokens.next().getType());
-        assertEquals(TokenType.SPACE, tokens.next().getType());
-        assertEquals(TokenType.ALPHABETIC, tokens.next().getType());
-        assertEquals(TokenType.SPACE, tokens.next().getType());
-        assertEquals(TokenType.ALPHABETIC, tokens.next().getType());
-    }
-
-    private Iterable<Token> tokenize(String input, Language language) {
-        return tokenizer.tokenize(input, language, StemMode.SHORTEST, true);
-    }
-
-    private void recurseDecompose(Token t) {
-        assertTrue(t.getOffset() >= 0);
-        assertTrue(t.getOrig().length() >= 0);
-
-        int numComp = t.getNumComponents();
-        for (int i = 0; i < numComp; i++) {
-            Token comp = t.getComponent(i);
-            recurseDecompose(comp);
-        }
-    }
-
-    private boolean assertMonoIncr(Iterable<Long> n) {
-        long trailing = -1;
-        for (long i : n) {
-            if (i < trailing) {
-                return false;
-            }
-            trailing = i;
-        }
-        return true;
-    }
-
-    private void assertTokenize(String input, List<String> indexed, List<String> orig) {
-        assertTokenize(input, Language.ENGLISH, StemMode.NONE, false, indexed, orig);
-    }
-
-    /**
-     * Compare the results of running an input string through the tokenizer with an "index" truth, and an optional
-     * "orig" truth.
-     *
-     * @param input      the text to process, passed to tokenizer
-     * @param language   the language tag, passed to tokenizer
-     * @param stemMode   if stemMode != NONE, test will silently succeed if tokenizer does not do stemming
-     * @param accentDrop passed to the tokenizer
-     * @param indexed    compared to the "TokenString" result from the tokenizer
-     * @param orig       compared to the "Orig" result from the tokenizer
-     */
-    private void assertTokenize(String input, Language language, StemMode stemMode, boolean accentDrop,
-                                List<String> indexed, List<String> orig) {
-        int i = 0;
-        int j = 0;
-        for (Token token : tokenizer.tokenize(input, language, stemMode, accentDrop)) {
-            // System.err.println("got token orig '"+token.getOrig()+"'");
-            // System.err.println("got token stem '"+token.getTokenString(stemMode)+"'");
-            if (token.getNumComponents() > 0) {
-                for (int comp = 0; comp < token.getNumComponents(); comp++) {
-                    Token t = token.getComponent(comp);
-                    if (t.getType().isIndexable()) {
-                        assertEquals("comp index: " + i, indexed.get(i++), toLowerCase(t.getTokenString()));
-                    }
-                }
-            } else {
-                if (token.getType().isIndexable()) {
-                    assertEquals("exp index: " + i, indexed.get(i++), toLowerCase(token.getTokenString()));
-                }
-            }
-            if (orig != null) {
-                assertEquals("orig index: " + j, token.getOrig(), orig.get(j++));
-            }
-        }
-        assertEquals("indexed length", indexed.size(), i);
-        if (orig != null) {
-            assertEquals("orig length", orig.size(), j);
-        }
-    }
-
-}
diff --git a/linguistics/src/test/java/com/yahoo/language/opennlp/UrlCharSequenceNormalizerTest.java b/linguistics/src/test/java/com/yahoo/language/opennlp/UrlCharSequenceNormalizerTest.java
deleted file mode 100644
index a8c637bc6ec..00000000000
--- a/linguistics/src/test/java/com/yahoo/language/opennlp/UrlCharSequenceNormalizerTest.java
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.language.opennlp;
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/**
- * @author jonmv
- */
-public class UrlCharSequenceNormalizerTest {
-
-    @Test
-    public void testNormalization() {
-        String text = "xxx+yyy_.dude@mail.com foo bar@baz_bax https://host.tld/path?query=boo a@b §boo@boo";
-        assertEquals("  foo  _bax   a@b § ",
-                     UrlCharSequenceNormalizer.getInstance().normalize(text));
-    }
-
-}