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hansdezwart

[SCoPE] LAK11: Playing around with Hunch - 0 views

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    Also, "liking" itself is a very limited way of expressing your thoughts on something. You might like pizza, but no anchovis. If you dislike a Pizza Anchovis, what does the system store? On the other hand, some interesting analogies and recommendations can be done with relatively simple like/dislike statements and multiple choice answers.\n\nHunch should incorporate serendipity.
hansdezwart

Stephen Downes: 'Connectivism' and Connective Knowledge - 1 views

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    A solid explanation of learning in a connectivist mindset.
Dianne Rees

Nuts and Bolts: How to Evaluate e-Learning by Jane Bozarth : Learning Solutions Magazine - 3 views

  • The linearity and causality implied within the taxonomy (for instance, the assumption that passing a test at Level 2 will result in improved job performance at Level 3) masks the reality of transferring training into measurable results. Many factors enable — or hinder — the transfer of training to on-the-job behavior change, including support from supervisors, rewards for improved performance, culture of the work unit, issues with procedures and paperwork, and political concerns
  • Robert Brinkerhoff takes a systems view of evaluation of training, believing it should focus on sustained performance rather than attempting to isolate the training effort:
  • learn best from the outliers
  • ...4 more annotations...
  • The method asks evaluators to: Identify individuals or teams that have been most successful in using some new capability or method provided through the training; Document the nature of the success; and Compare to instances of nonsuccess.
  • Stufflebeam
  • training as part of a system
  • a means of formative as well as summative evaluation.
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    Evaluating training: some alternatives to the Kirkpatrick method
hansdezwart

Kynetx - 1 views

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    Kynetx offers the premier platform for building a new breed of Apps that are context-aware, cross-platform, and act as event listeners in the cloud. Capable of interfacing with users on any URL or web-enabled device, Kynetx Apps give developers a way to "Program the Internet" and solve problems in uniquely interconnected ways.
hansdezwart

Analytics 101 [walkthe.net] - 0 views

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    A webwalk by Bert DeCoutere talking about the three principles of analytics (in a humourous way!).
hansdezwart

YouTube - What is Hadoop? Other big data terms like MapReduce? Cloudera's CEO talks us ... - 0 views

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    Cloudera is a company that helps developers with big database problems. Here the CEO Mike Olson gives us a tour through the major database changes that are hitting lots of startups now.
hansdezwart

The original proposal of the WWW, HTMLized - 0 views

  • Non requirements Discussions on Hypertext have sometimes tackled the problem of copyright enforcement and data security. These are of secondary importance at CERN, where information exchange is still more important than secrecy. Authorisation and accounting systems for hypertext could conceivably be designed which are very sophisticated, but they are not proposed here. In cases where reference must be made to data which is in fact protected, existing file protection systems should be sufficient.
  • In a complex place like CERN, it's not always obvious how to divide people into groups. Imagine making a large three-dimensional model, with people represented by little spheres, and strings between people who have something in common at work.
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    This document was an attempt to persuade CERN management that a global hypertext system was in CERN's interests. Note that the only name I had for it at this time was "Mesh" -- I decided on "World Wide Web" when writing the code in 1990.
hansdezwart

dataists » Blog Archive » A Taxonomy of Data Science - 0 views

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    We thought it would be useful to propose one possible taxonomy - we call it the Snice* taxonomy - of what a data scientist does, in roughly chronological order: Obtain, Scrub, Explore, Model, and iNterpret (or, if you like, OSEMN, which rhymes with possum).
hansdezwart

YouTube - Education Augmented Reality App Using the Classmate PC - 0 views

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    Here we've got a classmate PC demo that shows off Richard Beckwith shows off Classmate Assist which supports users seated or standing at the desk or table. This is an example of context aware computing. There are visual sensors that recognize the items on the table and instruct and walk the students through a series of educational tasks. The goal is to support existing curriculum and practices of teachers.
hansdezwart

YouTube - Hans Rosling's 200 Countries, 200 Years, 4 Minutes - The Joy of Stats - BBC Four - 1 views

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    Hans Rosling's famous lectures combine enormous quantities of public data with a sport's commentator's style to reveal the story of the world's past, present and future development. Now he explores stats in a way he has never done before - using augmented reality animation. In this spectacular section of 'The Joy of Stats' he tells the story of the world in 200 countries over 200 years using 120,000 numbers - in just four minutes. Plotting life expectancy against income for every country since 1810, Hans shows how the world we live in is radically different from the world most of us imagine.
hansdezwart

Introduction to Linked Open Data for Visualization Creators on Datavisualization.ch - 0 views

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    Last week ReadWriteWeb asked: "Is Linked Data Gaining Acceptance?" Our answer: definitely yes. Projects like DBPedia, a community effort to structure the information from Wikipedia and provide it as Linked Open Data, have come a long way and work really well. For example, you can search for all scientists born in Zürich, Switzerland.
hansdezwart

Awesome: DIY Data Tool Needlebase Now Available to Everyone - 0 views

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    Needlebase allows you to view web pages through a virtual browser, point and click to train it in understanding what fields on that page are of interest to you and how those fields relate to each other. Then the program goes and scrapes the data from all of those fields, publishes them into a table, list or map, and recommends merges of cells that appear to be mistakenly separate. It's very cool and it lets non-technical people do things with data quickly and easily that we used to require the assistance of someone more technical to do.
hansdezwart

Adobe Buys Behavioral Data Management Platform DemDex - 0 views

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    Demdex captures behavioral data on behalf of Websites and advertisers and stores it in a "behavioral data bank." The company then score each user across more than 40 behavioral and demographic variables to come up with a "traitweight," which helps websites segment their audiences better and advertisers target their messages more exactly.
Media Lab

TweetStats:: Graphin 'Su Estadísticas - 1 views

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    Hace Estadísticas de tu Cuenta.
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    De hecho cualquier persona puede poner el nombre de otra y observar las estadísticas de comportamiento de esa otra persona. Es por tanto, una herramienta de doble filo, permite comparar tu actividad con la de otros, pero por otra parte están controlando a qué horarios te conectas, a quien retuiteas, cuales son las palabras que más utilizas, etc. A mí personalmente me ha sorprendido mis propias acciones. A veces piensas que vas en una dirección y sin embargo estás performando otra. Si alguna persona lo prueba, me gustaría saber su opinión. Saludos
Sylvia Currie

IN-SPIRE™ Software - Available Technologies - PNNL - 0 views

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    "IN-SPIRE™ -- an information visualization software application -- provides a wealth of tools for exploring textual information, including query, subset, and trend analysis tools. Through visual representations of information, users can rapidly discover hidden information relationships from a variety of data sources such as technical and patent literature, marketing and business documents, web data, accident and safety reports, newswire feeds and e-mail message traffic."
Tony Searl

lak12 - Week4_Semantic_Data - 2 views

  • the learner model should be updated rapidly to reflect near real-time learner success and activity so that decisions are not made on out-dated models
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    "there is greater inter-disciplinary discussion occurring in analytics than what is generally found in an established domain". A key motivator for my interest. Co-operation is a must.
Tony Searl

Just to Clarify: Stories are the Last Mile in Big Data - 3 views

  • Once configured, the system is then able to generate stories at scale without any further human intervention.
    • Tony Searl
       
      anyone else have a problem with this?
  • For any pool of data, there are always going to be multiple stakeholders, and they should each be receiving their own targeted messaging.
  • But the last mile has to be the Story; the Story that communicates what is happening in the world, and what needs to be done to fix the problems and exploit the opportunities that analysis exposes
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    Data alone isn't the answer. In fact, from a business perspective, the data is still part of problem. Insight is the answer, which is derived from the data.
Tony Searl

Video Demo of UMBC's "Check My Activity" Tool for Students (EDUCAUSE Quarterly) | EDUC... - 0 views

  • Analysis of 1,461 courses using Blackboard in spring 2010 showed that D and F students used the course management system 47 percent less than students earning a C or higher.
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    Analysis of 1,461 Blackboard courses. D & F students used CMS 47% less than students earning a C or higher. LAK11 http://tinyurl.com/4fp7oyk
hansdezwart

Cognitive Edge - 1 views

  • Remember Goodhart's Law - any statistical instrument used for policy looses all value, or loosely translated the minute a measure becomes a target it ceases to be a measure.
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    Is Goodhart's law relevant when thinking about Learning Analytics
hansdezwart

Scraping for Journalism: A Guide for Collecting Data - ProPublica - 0 views

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    We've written a series of how-to guides explaining how we collected the data. Most of the techniques are within the ability of the moderately experienced programmer.
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