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Bewertung und Feedback des Lernenden für Machine Learning: Clustering & Retrieval von University of Washington

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2,315 Bewertungen

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Case Studies: Finding Similar Documents A reader is interested in a specific news article and you want to find similar articles to recommend. What is the right notion of similarity? Moreover, what if there are millions of other documents? Each time you want to a retrieve a new document, do you need to search through all other documents? How do you group similar documents together? How do you discover new, emerging topics that the documents cover? In this third case study, finding similar documents, you will examine similarity-based algorithms for retrieval. In this course, you will also examine structured representations for describing the documents in the corpus, including clustering and mixed membership models, such as latent Dirichlet allocation (LDA). You will implement expectation maximization (EM) to learn the document clusterings, and see how to scale the methods using MapReduce. Learning Outcomes: By the end of this course, you will be able to: -Create a document retrieval system using k-nearest neighbors. -Identify various similarity metrics for text data. -Reduce computations in k-nearest neighbor search by using KD-trees. -Produce approximate nearest neighbors using locality sensitive hashing. -Compare and contrast supervised and unsupervised learning tasks. -Cluster documents by topic using k-means. -Describe how to parallelize k-means using MapReduce. -Examine probabilistic clustering approaches using mixtures models. -Fit a mixture of Gaussian model using expectation maximization (EM). -Perform mixed membership modeling using latent Dirichlet allocation (LDA). -Describe the steps of a Gibbs sampler and how to use its output to draw inferences. -Compare and contrast initialization techniques for non-convex optimization objectives. -Implement these techniques in Python....

Top-Bewertungen

JM

16. Jan. 2017

Excellent course, well thought out lectures and problem sets. The programming assignments offer an appropriate amount of guidance that allows the students to work through the material on their own.

BK

24. Aug. 2016

excellent material! It would be nice, however, to mention some reading material, books or articles, for those interested in the details and the theories behind the concepts presented in the course.

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176 - 200 von 383 Bewertungen für Machine Learning: Clustering & Retrieval

von Anmol g

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16. Dez. 2016

So Much Concepts to learn and totally worth it!

von seokwon y

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26. Juli 2018

good to learn what is clustering and retrieval

von Arash A

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5. Jan. 2017

Enjoyed the course and learned a lot. Amazing!

von David F

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21. Okt. 2016

Excellent course - and of great practical use.

von Nitish V

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29. Okt. 2017

The Course is good . Covered lots of topics .

von Rahul G

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13. Juni 2017

Good course but Week 5 LDA needs improvement.

von Stanislav B

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15. Apr. 2020

one of the best courses Ive seen on coursera

von Jason G

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9. Aug. 2017

Harder than the previous ones, but enjoyable

von Krisda L

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19. Juli 2017

Good overview of a lot of useful techniques.

von felix a f a

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8. Aug. 2016

less complex exercises to check and validate

von Feiwen C ( C I

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1. Juni 2017

Good course. Learned a lot from it. Thanks!

von Kan C Y

•

19. März 2017

Really a good course, succinct and concise.

von parag_verma

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7. Jan. 2020

Thanks to the entire team of this course.

von PRAVEEN R U

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27. Dez. 2018

Nice content and well made presentations.

von Miao J

•

1. Juli 2016

Another great course. Strongly recommend!

von Veer A S

•

23. März 2018

Very informative and interesting course.

von Ted T

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29. Juli 2017

Best ML course ever. Easy to understand!

von Dmitri T

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4. Dez. 2016

Great course! Very simple and practical.

von Veera K R

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6. Apr. 2020

Very informative and Clearly explained.

von Snehotosh B

•

3. Dez. 2016

Best course available till date as MooC

von kripa s

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30. Apr. 2019

One of the best training experience...

von Shuang D

•

29. Juni 2018

advanced knowledge on ML, great course

von Garvish

•

14. Juni 2017

Great Information and organised course

von RAJIT N

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21. Sep. 2020

Everything was very clearly explained

von Ce J

•

26. Juni 2017

well organized and easy to understand

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