data difficulties in "some" cases hardly eviscerate a study of "more than 9,000
districts that enroll more than 85 percent of all U.S. students."
Group items tagged
The State of Educational Data Mining in 2009: A Review and Future Visions - 1 views
Interactive Statistical Calculation Pages - 1 views
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As we think about data- a good set of statistics resources and how-tos
A special report on managing information: Data, data everywhere | The Economist - 0 views
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Information has gone from scarce to superabundant. That brings huge new benefits, says Kenneth Cukier (interviewed here)-but also big headaches
Bienvenido a about.me - 0 views
YouTube - Stephen Wolfram: Computing a theory of everything - 0 views
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Stephen Wolfram, creator of Mathematica, talks about his quest to make all knowledge computational -- able to be searched, processed and manipulated. His new search engine, Wolfram Alpha, has no lesser goal than to model and explain the physics underlying the universe.
LeanLearning - learning_analytics - 1 views
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Kirkpatrick's method is just one approach to considering data from a training program
InfoQ: Machine Learning: A Love Story - 0 views
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Hilary Mason presents the history of machine learning covering some of the most significant developments taking place over the last two decades, especially the fundamental math and algorithmic tools employed. She also exemplifies how machine learning is used by bit.ly to discover various statistical information about users.
Conor Williams: Educational Productivity and the Reform Wars - 0 views
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Poverty does not make productive, efficient education impossible.
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data was hard to come by in some districts, it was untrustworthy in others and controlling for all relevant variables when comparing school districts is really, really difficult.
The difference between utopian and dystopian visions « The Weblog of (a) Davi... - 0 views
The power of organisational structure « The Weblog of (a) David Jones - 2 views
YouTube - Intro to the Semantic Web - 0 views
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A short introduction to the semantic web
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The comments to the video are also interesting.
Tim Berners-Lee on the next Web | Video on TED.com - 0 views
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20 years ago, Tim Berners-Lee invented the World Wide Web. For his next project, he's building a web for open, linked data that could do for numbers what the Web did for words, pictures, video: unlock our data and reframe the way we use it together.
wiki.dbpedia.org: Acerca de - 1 views
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DBpedia is a community effort to extract structured information from Wikipedia and to make this information available on the Web. DBpedia allows you to ask sophisticated queries against Wikipedia, and to link other data sets on the Web to Wikipedia data.
Unstructured data is worth the effort when you've got the right tools - O'Reilly Radar - 2 views
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With regard to the challenges, enterprise data is very messy, inconsistent, and spread out across multiple internal systems and applications. APIs like the ones we're working on can bring consistency and structure to a company's legacy data.
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entity relation extraction is an important trend.
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Entity relation extraction helps detect new knowledge in big data.
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