Fun with Distances - Add Distance functions for a variety of things
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Key: SOLR-1302
URL: https://issues.apache.org/jira/browse/SOLR-1302
Project: Solr
Issue Type: New Feature
Reporter: Grant Ingersoll
Priority: Minor
Fix For: 1.5
There are many distance functions that are useful to have:
1. Great Circle (lat/lon) and other geo distances
2. Euclidean (Vector)
3. Manhattan (Vector)
4. Cosine (Vector)
For the vector ones, the idea is that the fields on a document can be used to
determine the vector.
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