Trang chủ Từ điển Ttokenizer

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tokenizer

A software component or algorithm that breaks a stream of text into smaller, discrete units called tokens, such as words, subwords, or characters, for processing by a computer program. / A device or system used in payment processing to replace sensitive credit card data with a unique, non-sensitive identifier called a token to enhance security.

Danh từ

Số nhiều: tokenizers

In natural language processing, this term refers to the critical first stage of a data pipeline. It transforms raw strings into a structured format that a machine learning model can interpret. The choice of tokenizer—whether word-based, character-based, or subword-based (like Byte Pair Encoding)—significantly impacts the model's ability to handle unknown words and vocabulary size.

In the context of cybersecurity and fintech, the term describes a security mechanism. Here, it functions as a proxy system that swaps sensitive data for a surrogate value. This ensures that if a database is breached, the stolen tokens are useless to an attacker because they lack the original sensitive mapping stored in a secure vault.

Ý nghĩa

Danh từ

A software component or algorithm that breaks a stream of text into smaller, discrete units called tokens, such as words, subwords, or characters, for processing by a computer program.

The tokenizer splits the input sentence into individual words before they are passed to the embedding layer.

Danh từ

A device or system used in payment processing to replace sensitive credit card data with a unique, non-sensitive identifier called a token to enhance security.

The payment gateway uses a tokenizer to ensure that the merchant never stores the actual primary account number.

Ví dụ

The new tokenizer handles emojis and special characters much more efficiently.

We need to update the tokenizer to support multiple languages.

Office

I wonder if a different tokenizer would reduce the number of tokens per sentence.

The compiler uses a tokenizer to convert the source code into a stream of tokens.

Our payment gateway uses a secure tokenizer to protect customer credit card numbers.

Business

Does this tokenizer comply with PCI DSS security standards?

Business

The system implements a tokenizer to ensure that sensitive data never hits the local database.

Wait, is the tokenizer splitting the words correctly?

Office

A robust tokenizer is essential for any high-performance natural language processing pipeline.

Cập nhật lần cuối: May 2026•Báo lỗi

tokenizer

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