Each file has its own vector space to search, and the results are numerically sorted within each file.
每个文件都有各自要搜索的向量空间，并且每个文件中的结果都按数字排序。
2
In our case, effective search results can be obtained by creating a vector for each letter in a word and returning results based on the closest match in vector space.
Negation means removing from the search pages that shares any component in common with this vector, which would include pages with words like music, guitar, Hendrix and so on.