Package datafu.pig.hash.lsh.metric

UDFs for different distance functions (and some similarity functions) used with Locality Sensitive Hashing.

See: Description

Class Summary

Class	Description
Cosine	A UDF used to find a vector v in a bag such that for query point q, metric m and threshold t m(v,q) < t.
L1	A UDF used to find a vector v in a bag such that for query point q, metric m and threshold t m(v,q) < t.
L2	A UDF used to find a vector v in a bag such that for query point q, metric m and threshold t m(v,q) < t.
MetricUDF	A base UDF used to find a vector v in a bag such that for query point q, metric m and threshold t m(v,q) < t.

Package datafu.pig.hash.lsh.metric Description

UDFs for different distance functions (and some similarity functions) used with Locality Sensitive Hashing.