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UOM // Fix the handling of mutDecayExponent.

This commit is contained in:
ShikiSuen 2023-03-03 08:56:18 +08:00
parent d561d9e768
commit cfecfbc146
1 changed files with 8 additions and 4 deletions
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12
Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/SubLMs/lmUserOverride.swift
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@ -277,7 +277,10 @@ extension vChewingLM.LMUserOverride {
var currentHighScore: Double = 0 var currentHighScore: Double = 0
for (i, theObservation) in observation.overrides { for (i, theObservation) in observation.overrides {
// 對 Unigram 只給大約六小時的半衰期。 // 對 Unigram 只給大約六小時的半衰期。
let decayExp = mutDecayExponent * (key.contains("(),(),") ? 24 : 1) let isUnigramKey = key.contains("(),(),")
var decayExp = mutDecayExponent * (isUnigramKey ? 24 : 1)
// 對於單漢字 Unigram，讓半衰期繼續除以 12。
if isUnigramKey, !key.replacingOccurrences(of: "(),(),", with: "").contains("-") { decayExp *= 12 }
let overrideScore = getScore( let overrideScore = getScore(
eventCount: theObservation.count, totalCount: observation.count, eventCount: theObservation.count, totalCount: observation.count,
eventTimestamp: theObservation.timestamp, timestamp: timestamp, lambda: decayExp eventTimestamp: theObservation.timestamp, timestamp: timestamp, lambda: decayExp
@ -315,7 +318,7 @@ extension vChewingLM.LMUserOverride {
private static func formObservationKey( private static func formObservationKey(
walkedNodes: [Megrez.Compositor.Node], headIndex cursorIndex: Int, readingOnly: Bool = false walkedNodes: [Megrez.Compositor.Node], headIndex cursorIndex: Int, readingOnly: Bool = false
) -> String { ) -> String {
let whiteList = "你他妳她祢衪它牠再在" // let whiteList = "你他妳她祢衪它牠再在"
var arrNodes: [Megrez.Compositor.Node] = [] var arrNodes: [Megrez.Compositor.Node] = []
var intLength = 0 var intLength = 0
for theNodeAnchor in walkedNodes { for theNodeAnchor in walkedNodes {
@ -345,9 +348,10 @@ extension vChewingLM.LMUserOverride {
var readingStack = "" var readingStack = ""
var trigramKey: String { "(\(kvAnterior.toNGramKey),\(kvPrevious.toNGramKey),\(strCurrent))" } var trigramKey: String { "(\(kvAnterior.toNGramKey),\(kvPrevious.toNGramKey),\(strCurrent))" }
var result: String { var result: String {
// 不要把單個漢字的 kvCurrent 當前鍵值領頭的單元圖記入資料庫，不然對敲字體驗破壞太大。
if readingStack.contains("_") if readingStack.contains("_")
|| (!kvPrevious.isValid && kvCurrent.value.count == 1 && !whiteList.contains(kvCurrent.value)) // 該限制因使用者來信投訴太多，暫時停用：
// 不要把單個漢字的 kvCurrent 當前鍵值領頭的單元圖記入資料庫，不然對敲字體驗破壞太大。
// || (!kvPrevious.isValid && kvCurrent.value.count == 1 && !whiteList.contains(kvCurrent.value))
{ {
return "" return ""
} else { } else {