Ranking (aka weighting) of the search results can be defined as aprocess of computing a so-called relevance (aka weight) for everygiven matched document with regards to a given query that matched it.So relevance is in the end just a number attached to every documentthat estimates how relevant the...
Proximity distance is specified in words, adjusted for word count, and applies to all words within quotes 我的理解是匹配出引号内字符之间长度在指定数值范围内的文档。 当然, 如果引号内的字符数量大于后面的数值, 那这个数值也就变得没意义了