From fd02b2d6ee55d4aee7faab89a7a2b72764eafc47 Mon Sep 17 00:00:00 2001 From: Keisuke Kuroyanagi Date: Mon, 30 Sep 2013 20:53:35 +0900 Subject: Implement simple dictionary decay. Groundwork and implement simple decay. Increment probability when typed and decrement probability at GC. Bug: 6669677 Change-Id: Ib12caead0cbeef4ce7808fe8ac0b00ee331523fe --- .../DecayingExpandableBinaryDictionaryBase.java | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'java/src') diff --git a/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java b/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java index 1ca91a0fd..7cf4f0c88 100644 --- a/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java +++ b/java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java @@ -22,6 +22,7 @@ import android.util.Log; import com.android.inputmethod.annotations.UsedForTesting; import com.android.inputmethod.latin.Constants; +import com.android.inputmethod.latin.Dictionary; import com.android.inputmethod.latin.ExpandableBinaryDictionary; import com.android.inputmethod.latin.LatinImeLogger; import com.android.inputmethod.latin.makedict.DictDecoder; @@ -50,6 +51,9 @@ public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableB /** Any pair being typed or picked */ public static final int FREQUENCY_FOR_TYPED = 2; + public static final int FREQUENCY_FOR_WORDS_IN_DICTS = FREQUENCY_FOR_TYPED; + public static final int FREQUENCY_FOR_WORDS_NOT_IN_DICTS = Dictionary.NOT_A_PROBABILITY; + /** Locale for which this user history dictionary is storing words */ private final String mLocale; @@ -131,14 +135,17 @@ public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableB (word0 != null && word0.length() >= Constants.DICTIONARY_MAX_WORD_LENGTH)) { return; } - addWordDynamically(word1, null /* the "shortcut" parameter is null */, FREQUENCY_FOR_TYPED, + final int frequency = ENABLE_BINARY_DICTIONARY_DYNAMIC_UPDATE ? + (isValid ? FREQUENCY_FOR_WORDS_IN_DICTS : FREQUENCY_FOR_WORDS_NOT_IN_DICTS) : + FREQUENCY_FOR_TYPED; + addWordDynamically(word1, null /* the "shortcut" parameter is null */, frequency, false /* isNotAWord */); // Do not insert a word as a bigram of itself if (word1.equals(word0)) { return; } if (null != word0) { - addBigramDynamically(word0, word1, FREQUENCY_FOR_TYPED, isValid); + addBigramDynamically(word0, word1, frequency, isValid); } } -- cgit v1.2.3-83-g751a