TermVectors
TermVectors is a feature in Lucene that lets you retrieve per document term-based statistical data from the index. These additional data points can be useful for features such as highlighting or any term-based reports analysis. As you may expect, this feature is not enabled by default, as it can be expensive to compute these data points and it would increase the index size significantly.
This TermVectors provides the following additional data points for each document:
- Term frequency
- Term position(s)
- Term offsets
Term frequency is the number of times the term appears in a document. Positions is the term in a document where each position is incremented by term. offsets has a starting and ending positions by characters where the term can ...
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