情感分析如何運作?
- 基於詞典的分析. 此方法使用與正面或負面情緒相關的預定義單字清單來確定文字的整體情緒。
- 機器學習. 機器學習技術在標記資料集上訓練模型,根據學習的模式將文字分類為正面、負面或中性。
- 深度學習. 深度學習方法利用神經網路來理解複雜資料結構中的上下文和情感,從而提高分析的準確性。
- 自然語言處理(NLP). NLP 技術有助於將文字分解為機器可理解的組件,從而提高情緒檢測的整體效率。
超過 100 種語言可供選擇
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情感分析是指利用自然語言處理來分析文本資料中的情緒。
應用包括客戶回饋分析、品牌監控和公眾輿論評估。
準確性根據所使用的方法和訓練資料的品質而有所不同,但透過先進技術可以達到很高的水平。
由於情緒分析依賴於上下文和語氣,檢測諷刺仍然是一個挑戰。
雖然許多工具針對特定語言進行了最佳化,但也有一些工具可以支援多種語言。
企業可以透過了解公眾情緒來深入了解客戶偏好並改善服務。
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