Handling large scale similarity problems
Example of problems
Similarities between two texts
two persons
two shopping carts
How to measure
http://en.wikipedia.org/wiki/Similarity_measure
Jaccard Coefficient
http://en.wikipedia.org/wiki/Jaccard_index
Cosine Similarity
http://en.wikipedia.org/wiki/Cosine_similarity
Inner products of two vectors
Radical basics function kernel
http://en.wikipedia.org/wiki/Radial_basis_function_kernel
Other real world examples
Bank using the data provided while opening account
Links
http://asterix.ics.uci.edu/fuzzyjoin/
http://www.slideshare.net/Hadoop_Summit/similarity-at-scale-35988496
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