As far as I know Lucene only handle single word synonyms at index
time. My life would be much simpler if it was possible to add synonyms
that spanned over multiple tokens, such as "lucene in action"="lia". I
have a couple of workarounds that are OK but it really isn't the same
thing when it comes down to the scoring.
The thing that does the best job at scoring was to assemble several
permutations of the same document. But it doesn't feel good. I have
cases where that means several hundred documents, and I have to do
post processing to filter out the "duplicate" hits. It can turn out to
be rather expensive. And I'm sure it mess with the scoring in several
ways I did not notice yet.
I've also considering creating some multi dimensional term position
space, but I'd say that could take a lot of time to implement.
Are there any good solutions to this?
karl
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