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Chinese

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The chinese analyzer is designed specifically to handle Chinese text, providing effective segmentation and tokenization.

Definition

The chinese analyzer consists of:

• Tokenizer: Uses the jieba tokenizer to segment Chinese text into tokens based on vocabulary and context. For more information, refer to Jieba.

• Filter: Uses the cnalphanumonly filter to remove tokens that contain any non-Chinese characters. For more information, refer to Cnalphanumonly.

The functionality of the chinese analyzer is equivalent to the following custom analyzer configuration:

Python

analyzer_params = {
    "tokenizer": "jieba",
    "filter": ["cnalphanumonly"]
}

Java

Map<String, Object> analyzerParams = new HashMap<>();
analyzerParams.put("tokenizer", "jieba");
analyzerParams.put("filter", Collections.singletonList("cnalphanumonly"));

NodeJS

const analyzer_params = {
    "tokenizer": "jieba",
    "filter": ["cnalphanumonly"]
};

Go

// go

cURL

# restful
analyzerParams='{
  "tokenizer": "jieba",
  "filter": [
    "cnalphanumonly"
  ]
}'

Configuration

To apply the chinese analyzer to a field, simply set type to chinese in analyzer_params.

Python

analyzer_params = {
    "type": "chinese",
}

Java

Map<String, Object> analyzerParams = new HashMap<>();
analyzerParams.put("type", "chinese");

NodeJS

const analyzer_params = {
    "type": "chinese",
}

Go

// go

cURL

# restful
analyzerParams='{
  "type": "chinese"
}'

📘Notes

The chinese analyzer does not accept any optional parameters.

Examples

Before applying the analyzer configuration to your collection schema, verify its behavior using the run_analyzer method.

Analyzer configuration:

Python

analyzer_params = {
    "type": "chinese",
}

Java

// java

NodeJS

// javascript

Go

// go

cURL

# restful

Verification using run_analyzer:

Python

# Sample text to analyze
sample_text = "Milvus 是一个高性能、可扩展的向量数据库！"

# Run the standard analyzer with the defined configuration
result = MilvusClient.run_analyzer(sample_text, analyzer_params)
print("Chinese analyzer output:", result)

Java

// java

NodeJS

// javascript

Go

// go

cURL

# restful

Expected output:

Chinese analyzer output: ['Milvus', '是', '一个', '高性', '性能', '高性能', '可', '扩展', '的', '向量', '数据', '据库', '数据库']