An Exponentiation Method for XML Element Retrieval

Table 2

The sphinx search modes.

Mode	Description
Match any	The final weight is a sum of weighted phrase ranks for matching any of the query words.
Match phrase	The final weight is the sum of weighted phrase ranks for matching the query phrase, which requires a perfect match.
Match extended	The final weight is the sum of weighted phrase ranks and the BM25 weight, multiplied by a thousand and rounded to the nearest integer.