A common ranking method—term frequency/inverse document frequency—considers the distribution of words and their frequencies, then generates numerical weights for words that signify their importance in individual documents.
A common ranking method—term frequency/inverse document frequency—considers the distribution of words and their frequencies, then generates numerical weights for words that signify their importance in individual documents.
常见的排行方法之一是评估字词的分布与出现频率，即词频与文件频率倒数，然后为字词建立权值，代表各字词在个别文件内的重要性。