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Mahout Tutorial FOSSMEET NITC
This document provides an overview and introduction to the Apache Mahout machine learning library. It discusses how Mahout can be used to build scalable machine learning applications using algorithms like collaborative filtering, clustering, classification and frequent pattern mining. It also describes how Mahout can be used for recommendation engines and document classification. The document concludes with references and resources for learning more about Mahout.
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Mahout Tutorial FOSSMEET NITC
- 1. Practical Machine Learning A Tutorial on Apache Mahout Biju B NLP R&D Division 365Media Pvt. Ltd. bijub@365Media.in FOSSMEET NITC, Calicut 4-6 February 2011 Biju B & Jaganadh G Practical Machine Learning
- 2. nlp r d$ whoweare Working in Natural Language Processing (NLP), Machine Learning, Data Mining Passionate about Free and Open source :-) When gets free time teaches Python and blogs at http://jaganadhg.freeflux.net/blog and contributes to Openstreetmap Works for 365Media Pvt. Ltd. Coimbatore India. twitter handle : @jaganadhg, @bijub Biju B & Jaganadh G Practical Machine Learning
- 3. Machine Learning Machine Learning Machine learning is a subfield of artificial intelligence (AI) concerned with algorithms that allow computers to learn. Biju B & Jaganadh G Practical Machine Learning
- 4. Machine Learning Machine Learning Machine learning is a subfield of artificial intelligence (AI) concerned with algorithms that allow computers to learn. Biju B & Jaganadh G Practical Machine Learning
- 5. Machine Learning Machine Learning Machine learning is a subfield of artificial intelligence (AI) concerned with algorithms that allow computers to learn. This talk is not aimed to give introduction about Machine Learning Biju B & Jaganadh G Practical Machine Learning
- 6. Machine Learning Machine Learning Machine learning is a subfield of artificial intelligence (AI) concerned with algorithms that allow computers to learn. This talk is not aimed to give introduction about Machine Learning Dont expect some mathy equations here Biju B & Jaganadh G Practical Machine Learning
- 7. Machine Learning andOur Life Do you think that Machine Learning has any impact in our life ?? Biju B & Jaganadh G Practical Machine Learning
- 8. Machine Learning andOur Life Do you think that Machine Learning has any impact in our life ?? Yes Biju B & Jaganadh G Practical Machine Learning
- 9. Machine Learning andOur Life Do you think that Machine Learning has any impact in our life ?? Yes In our day to day life we may use many Machine Learning powered tools Biju B & Jaganadh G Practical Machine Learning
- 10. Machine Learning andOur Life Do you think that Machine Learning has any impact in our life ?? Yes In our day to day life we may use many Machine Learning powered tools Recommendation Engines Biju B & Jaganadh G Practical Machine Learning
- 11. Machine Learning andOur Life Do you think that Machine Learning has any impact in our life ?? Yes In our day to day life we may use many Machine Learning powered tools Recommendation Engines Clustering Biju B & Jaganadh G Practical Machine Learning
- 12. Machine Learning andOur Life Do you think that Machine Learning has any impact in our life ?? Yes In our day to day life we may use many Machine Learning powered tools Recommendation Engines Clustering Classification , Spam Filtering Biju B & Jaganadh G Practical Machine Learning
- 13. Machine Learning andOur Life Do you think that Machine Learning has any impact in our life ?? Yes In our day to day life we may use many Machine Learning powered tools Recommendation Engines Clustering Classification , Spam Filtering Sentiment Analysis Biju B & Jaganadh G Practical Machine Learning
- 14. Machine Learning andOur Life Do you think that Machine Learning has any impact in our life ?? Yes In our day to day life we may use many Machine Learning powered tools Recommendation Engines Clustering Classification , Spam Filtering Sentiment Analysis Fraud Detraction Biju B & Jaganadh G Practical Machine Learning
- 15. Mahout Mahout Open Source project by Apache Foundation Goal of this project is to build scalable machine learning libraries Biju B & Jaganadh G Practical Machine Learning
- 16. Mahout Mahout Mahout: a person who drives elephant ;-) The name comes from the project’s use of Apache Hadoop. Biju B & Jaganadh G Practical Machine Learning
- 17. Why a newlibrary ? There are more than 30 Java libraries/ tools available for Machine Learning. Weka , Mallet, Classifier4j, Rapidminer ........ Large Amount of data processing is not an easy task Machine Learning tools are supposed to produce quick results If the amount of data is too large it is not easy to process with a single machine (Even if it is powerful) Mahout is scalable: the core algorithms in Mahout are implemented on top of Apache Hadoop using the map/reduce paradigm Biju B & Jaganadh G Practical Machine Learning
- 18. Algorithms in ApacheMahout Biju B & Jaganadh G Practical Machine Learning
- 19. Algorithms in ApacheMahout Collaborative Filtering Biju B & Jaganadh G Practical Machine Learning
- 20. Algorithms in ApacheMahout Collaborative Filtering User and Item based recommenders Biju B & Jaganadh G Practical Machine Learning
- 21. Algorithms in ApacheMahout Collaborative Filtering User and Item based recommenders K-Means, Fuzzy K-Means clustering Biju B & Jaganadh G Practical Machine Learning
- 22. Algorithms in ApacheMahout Collaborative Filtering User and Item based recommenders K-Means, Fuzzy K-Means clustering Mean Shift clustering Biju B & Jaganadh G Practical Machine Learning
- 23. Algorithms in ApacheMahout Collaborative Filtering User and Item based recommenders K-Means, Fuzzy K-Means clustering Mean Shift clustering Dirichlet process clustering Biju B & Jaganadh G Practical Machine Learning
- 24. Algorithms in ApacheMahout Collaborative Filtering User and Item based recommenders K-Means, Fuzzy K-Means clustering Mean Shift clustering Dirichlet process clustering Latent Dirichlet Allocation Biju B & Jaganadh G Practical Machine Learning
- 25. Algorithms in ApacheMahout Collaborative Filtering User and Item based recommenders K-Means, Fuzzy K-Means clustering Mean Shift clustering Dirichlet process clustering Latent Dirichlet Allocation Singular value decomposition Biju B & Jaganadh G Practical Machine Learning
- 26. Algorithms in ApacheMahout Collaborative Filtering User and Item based recommenders K-Means, Fuzzy K-Means clustering Mean Shift clustering Dirichlet process clustering Latent Dirichlet Allocation Singular value decomposition Parallel Frequent Pattern mining Biju B & Jaganadh G Practical Machine Learning
- 27. Algorithms in ApacheMahout Collaborative Filtering User and Item based recommenders K-Means, Fuzzy K-Means clustering Mean Shift clustering Dirichlet process clustering Latent Dirichlet Allocation Singular value decomposition Parallel Frequent Pattern mining Complementary Naive Bayes classifier Biju B & Jaganadh G Practical Machine Learning
- 28. Algorithms in ApacheMahout Collaborative Filtering User and Item based recommenders K-Means, Fuzzy K-Means clustering Mean Shift clustering Dirichlet process clustering Latent Dirichlet Allocation Singular value decomposition Parallel Frequent Pattern mining Complementary Naive Bayes classifier Random forest decision tree based classifier Biju B & Jaganadh G Practical Machine Learning
- 29. Recommendation Filter information based on user preference Searching a large set of people and finding a smaller set with tastes similar to you e.g :- Amazon’s book recommendation , Netflix movie recommendation Biju B & Jaganadh G Practical Machine Learning
- 30. Document Classification Classify documents based on its content e.g: - spam filtering,priority inbox Biju B & Jaganadh G Practical Machine Learning
- 31. Demo Building recommendations engines with Mahout Document Classification with Mahout Biju B & Jaganadh G Practical Machine Learning
- 32. Reference Biju B & Jaganadh G Practical Machine Learning
- 33. Reference Mahout in Action - Book by Sean Owen and Robin Anil, published by Manning Publications. Taming Text - By Grant Ingersoll and Tom Morton, published by Manning Publications. Introducing Apache Mahout - Grant Ingersoll - Intro to Apache Mahout focused on clustering, classification and collaborative filtering. https://www.ibm.com/developerworks/java/library/j- mahout/index.html Programming Collective Intelligence: Building Smart Web 2.0 Applications http://www.amazon.com/Programming-Collective-Intelligence- Building-Applications/dp/0596529325 Biju B & Jaganadh G Practical Machine Learning
- 34. Useful Resources Apache Mahout Site http://mahout.apache.org/ Apache Mahout Mailing List user@mahout.apache.org The code which I used for Mahout demo is available at http://bitbucket.org/jaganadhg/blog/src/tip/bck9/java/ Twenty News Group data set http://people.csail.mit.edu/jrennie/20Newsgroups/20news- bydate.tar.gz Biju B & Jaganadh G Practical Machine Learning
- 35. Questions ?? Biju B & Jaganadh G Practical Machine Learning
- 36. Acknowledgments Thanksto : Manning Publications for Review Copy of the book ”Mahout in Action” Apache Mahout mailing list members Ted Dunning and Robin Anil for suggestions @chelakkandupoda for review and criticism Mukundhanchari R&D Director 365Media Pvt. Ltd. for support and encouragement Biju B & Jaganadh G Practical Machine Learning
- 37. Finally Biju B & Jaganadh G Practical Machine Learning