It uses a sliding window to determine the best encoding stream, with each n-gram encoded by two to four bytes.

This method is designed to provide a high compression ratio for Vietnamese text.

Based on the provided search results, there is no mention of a specific file named "Nitem5.rar".

If this research isn't what you were looking for, please provide more context about where you saw the "Nitem5.rar" file, and I'll do my best to help. AI responses may include mistakes. Learn more Research Article n-Gram-Based Text Compression - CORE

However, the results indicate a research topic related to , specifically involving a 5-gram approach. Research Overview: N-Gram-Based Text Compression

Input text is read, and the algorithm attempts to compress the first five grams. If successful, it proceeds; otherwise, it breaks it down into smaller units, such as four-gram compression.