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Questions - mahout-recommender

How to evaluate hashtag recommendation system using MAP@K and MAR@K?

I am working on building a hashtag recommendation system. I am looking into what are the best ways I can evaluate the system. The problem statement is: For a given hashtag I need to recommend most rel...
test-img

Vishal Anand

python

evaluation

mahout-recommender

recommendation-engine

Votes: 0

Answers: 1

Latest Answer

Answers: perhaps, read-on "cross-validation" tests like MAP@k require that the data is split into "test" and "training" data. save 20% of the data for the "test&quo...
test-img

Pat Ferrel

Why does the result of ItemSimilarityJob lack some similarities of itemId-pair?

Given that I have the following ratings.csv userId,itemId,rating 1,1,1 1,2,2 1,3,3 2,2,4 2,3,2 2,5,4 2,6,5 3,1,5 3,3,1 3,6,2 4,4,4 Using org.apache.mahout.cf.taste.hadoop.item.RecommenderJob, we have...
test-img

Lavender Lee

similarity

mahout

euclidean-distance

mahout-recommender

Votes: 0

Answers: 0

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