Constraints

**Table 1** Restrictions of NLP Fundamentals
Item	Specification Restrictions
Word segmentation	English text can contain 1 to 2,000 characters and must be encoded using UTF-8.
NER (basic edition)	English text can contain 1 to 2,000 characters and must be encoded using UTF-8.
Text similarity	English text can contain 1 to 2,000 characters and must be encoded using UTF-8.

**Table 2** Restrictions on using LG
Item	Specification Restrictions
Text title	The text is encoded using UTF-8 and contains 1 to 1,000 characters.
Text body	The body is encoded using UTF-8 and contains 1 to 10,000 characters.

**Table 3** Restrictions on using LU
Item	Specification Restrictions
Sentiment analysis (basic edition)	The text must be encoded using UTF-8. The value contains a maximum of 400 characters. If the value exceeds 400 characters, only the first 400 characters are detected.

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