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Top Algorithm, Data Science, Big Data and Machine Learning Experts

According to Klout, the top experts in algorithms are:

  1. Vincent Granville (71)
  2. BestAlgorithms (52)
  3. Tarleton Gillespie (51)
  4. KDnuggets (71)
  5. Search Engine Land (75)
  6. Massachusetts Institute of Technology (MIT) (96)
  7. Timothy Hopper (59)
  8. Kirk Borne (72)

The number in parentheses represents the overall Klout score (not just for the algorithm category) for each entry. You can check the list at klout.com/explore/algorithms.

Data Science Central itself (co-founded by Vincent Granville) is listed as having the following expertise: 

Click here to check the top experts in each of these categories (you'll see the same picture, but instead of a picture, it will be clickable links for each category).

Vincent Granville is listed at the top in several of these categories, including:

Below is a table that summarizes much of the most interesting data. For instance, it shows that  Bernard Marr is #2 for Big Data. 

Finally, algorithms like Klout Scores rely on indexation techniques: these extremely efficient clustering algorithms extract top keywords found in tons of tweets from these people, matching the keywords found with pre-set categories, to cluster these people. While it looks like a big data problem, there is a small data component to it: top, pre-selected keywords are manually selected after extracting millions of keywords found in tweets, sorting them according to frequency, and focusing on the top 1,000 keywords or so. Note that keywords such as "data mining" are identified as one single keyword because the grouping of "data" and "mining" is very popular, while "Hadoop mining" is not.

Such algorithms also rely on linkage analysis (sometimes called collaborative filtering), whereas an un-categorized individual re-tweeting (or better, being re-tweeted for) many tweets from someone strongly categorized as "data mining" gets a higher weight for the "data mining" category and/or is assigned to "data mining".  

Klout rankings are used by journalists when creating lists of top people (typically Twitter accounts) to follow in a specific field.

Relevant articles:

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Comment by Vincent Granville on December 25, 2015 at 4:15pm

If anything, it shows that my expertise is broad, covering many fields (you can add computer science and operations research), while most other scientists, especially the younger ones, focus on more narrowly defined areas (until they gain a more diversified experience). Glad to see that I''m #1 in stats, especially given the fact that a few statisticians believe that I am a fake, despite my education, academic and business experience, and publications

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