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Vanessa Vaile

LAK11: Big Data Small Data « Viplav Baxi's Meanderings - 0 views

learnos.wordpress.com/...lak11-big-data-small-data

data lak11 analytics week2 tools connectivism #lak11 #evomlit education

shared by Vanessa Vaile on 23 Jan 11 - No Cached
  • which data is more appropriate - BIG or small
  • most discussion about big data centres on quantity
  • other elements you mention – implication, new models, new decision making approaches – all flow from this abundance of data.
  • ...15 more annotations...
  • Increased data quantity requires new approaches
  • Is small beautiful? Look at the following links. Big Data, Small Data New Age of Innovation (Prahalad) So you like Big Data
  • reading on Insurers and the work done by Levitt and Dubner on Freakonomics tells us clearly that data not earlier thought relevant or causal can be an efficient predictor.
  • Secondly, strategies designed on BIG data
  • may overpower small data strategies
  • Thirdly, BIG data also has BIG impacting factors.
  • Fourthly, actions taken on BIG data will have big consequences,
  • Lastly, if everybody, big or small, started using BIG analytics, to make decisions
  • companies would anyway lose the competitive differentiator that analytics brings to them.
  • Corresponding to the question, how big does BIG need to be, the question I have is - how small really is small.
  • defining patterns that emerge from very small pieces of data (e.g. synchronicity)
  • how tools for SNA and analysis of BIG data can apply to Learning and Knowledge Analytics
  • at the other end it embraces how small changes can cause long term variations
  • not easy to analyze the small data
  • data that is small enough not to be generalizable
hansdezwart

Sheila's work blog » Thoughts so far on LAK11 - 0 views

blogs.cetis.ac.uk/...thoughts-so-far-on-lak11

week lak11 reflections

shared by hansdezwart on 21 Jan 11 - No Cached
  • hansdezwart on 21 Jan 11
     
    Along with about 400 or so others world-wide, I've signed up for the LAK11 (Learning and Knowledge Analytics) MOOC run by George Siemens and colleagues at the Technology Enhanced Knowledge Research Institute (TEKRI) at Athabasca University. We're now into week 2, and I think I'm just about getting into the swing of things.
Tony Searl

U. of Texas Adopts Plan to Publish Performance Data on Professors and Campuses - Facult... - 2 views

chronicle.com/...128800

texas data performance lak12 siemens learninganalytics

shared by Tony Searl on 29 Aug 11 - No Cached
  • help ensure that taxpayers are getting their money's worth
    • Tony Searl
      Tony Searl on 29 Aug 11
       
      as I attempted to raise during LAK11, intent is critical. If LAK is primarily accountability driven, then more complex outcomes available IF questioning of data is deeper, may be missed (or ignored/buried/not sought)
  • Among other things, the system will report such factors as research expenditures, publications, teaching evaluations, and external support.
    • Tony Searl
      Tony Searl on 29 Aug 11
       
      myschool is already developing into such a site. Insightful LAK, with holistic intention, not narow agendas, is preferable. Metrics, data, inclusions and questions need bipartisan support IF education is to be apolitical.
  • That was a swipe at the Texas Public Policy Foundation, a conservative think tank supported by Gov. Rick Perry that has advocated a controversial blueprint known as the "Seven Solutions" to higher education
    • Tony Searl
      Tony Searl on 29 Aug 11
       
      Perry, potential president? Fascinating 2012 election
  • ...2 more annotations...
  • It also calls for a review system in which outside experts analyze the performance of individual colleges within the system's universities.
    • Tony Searl
      Tony Searl on 29 Aug 11
       
      intent, questions asked, data deemed inclusive, all crucial for LAK outcomes. Enormous potential for misrepresentations exist IF analytics is poorly conceived and managed.
  • Mr. Powell said the database would allow students, parents, legislators, and others to easily examine detailed data about how different campuses and departments performed.
    • Tony Searl
      Tony Searl on 29 Aug 11
       
      exact definition of intent of our 2 year old myschool data
  • Tony Searl on 29 Aug 11
     
    The plan unveiled on Thursday designates money to create a "dashboard"-an interactive, online database-to give students, parents, and legislators access to detailed measures of departments' and colleges' productivity and efficiency. Data on individual professors will probably also be included, although Dr. Cigarroa stressed that each campus would be able to develop its own system of metrics and the details have not yet been worked out
hansdezwart

First pass #lak11 | Flickr - Photo Sharing! - 0 views

www.flickr.com/...5336287216

lak11 visualization socialgraph gephi

shared by hansdezwart on 09 Jan 11 - No Cached
  • hansdezwart on 09 Jan 11
     
    A first visualization of the LAK11 "twitterverse"
hansdezwart

Visualizing 100 #LAK11 tweets from Twitter | Blue Light District - 1 views

www.bluelightdistrict.org/wp

week3 lak11 nodexl twitter

shared by hansdezwart on 01 Feb 11 - No Cached
  • hansdezwart on 01 Feb 11
     
    After visualizing chat room dialogue earlier this week, I thought it might be neat to try and visualize some Twitter dialogue from the #LAK11 course.  For some reason I thought it would be simple to extract tweets from Twitter for analysis.  It wasn't!  So if you happen to know an easier way please leave a comment.
hansdezwart

MOOC newbie voice - a slackers entrance into lak11 » Dave's Educational Blog - 1 views

davecormier.com/...a-slackers-entrance-into-lak11

lak11 mooc hunch newbie

shared by hansdezwart on 12 Jan 11 - No Cached
  • hansdezwart on 12 Jan 11
     
    Helping words from the "ombudsman" of the course
Tony Searl

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

www.educause.edu/...219113

diigo Lak11

shared by Tony Searl on 12 Jan 11 - No Cached
  • 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.
  • Tony Searl on 12 Jan 11
     
    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
Boden Chen

Learning and Knowledge Analytics - 0 views

www.learninganalytics.net

lak11

shared by Boden Chen on 07 Jan 11 - No Cached
  • Boden Chen on 07 Jan 11
     
    LAK course website.
hansdezwart

Reflections on Open Courses: Curation, Ombuds, and Concierges | Learning and Knowledge ... - 2 views

www.learninganalytics.net/?p=89

siemens reflection analytics learning lak11 algorithms google

shared by hansdezwart on 13 Jan 11 - No Cached
  • we’re going to experiment with running the course without an LMS and using only gRSShopper for interaction
    • Tony Searl
      Tony Searl on 13 Jan 11
       
      excellent idea
  • Curation is an important component in the process.
  • Curation is important – yes, it’s biased, yes it misses contributions, but it’s personal
  • ...9 more annotations...
  • I think we need to also focus on the human aspect of data, sensemaking, curation, and trust.
    • Media Lab
      Media Lab on 13 Jan 11
       
      Comentar a Romi
  • la falta de archivos y la integración de las conversaciones en otros espacios en el correo electrónico diario. Hay dos razones principales para ello: Queremos demostrar que si alguien quiere ofrecer un curso en línea abierta, que no es necesario para ejecutar su propio servidor o escribir su propio software. Nosotros no pedimos Stephen si podría funcionar este curso en su sitio
    • Media Lab
      Media Lab on 13 Jan 11
       
      programa que soluciones esto?
  • Lo que perder - y todavía estoy inquieto acerca de esta compensación - es el archivo integrada de la actividad en el curso. Puedo enviar un correo electrónico diario al grupo de Google. Yo enlaces agregados / deliciosa / diigo / enlaces Twitter y comentarios sobre mi página de Netvibes . El problema, sin embargo, es que Netvibes es más bien tonto. Simplemente deja el contenido de la página hasta que algo nuevo ha sido publicado. Si usted es el seguimiento de la actividad en Netvibes, es probable que gran parte del encuentro el mismo contenido hasta que se ha actualizado con nuevo contenido. La actividad no se archivan por fecha.
  • Para CCK11 (a partir del lunes), vamos a experimentar con la realización del curso sin un LMS y el uso de gRSShopper sólo para la interacción. En LAK11, una de las adiciones clave parece ser el papel de "Defensor curso" que Dave Cormier está cumpliendo.
  • Tony Searl está empezando a desempeñar un papel similar al agregar los blogs del curso y contenido en función de sus intereses.
  • Curación es un componente importante en el proceso.
  • Si bien la información está creciendo en la abundancia y las herramientas y algoritmos (minería de datos, visualización) se están desarrollando como soluciones, no podemos pasar por alto la importancia de la señalización y la construcción de sentido en los sistemas sociales
  • Tony Searl on 13 Jan 11
     
    Social and technological networks don't have a centre. When we learn in a classroom or in a learning management system (LMS), a central place exists where we can go for readings and
Boden Chen

Learning & Knowledge Analytics 2011 - 1 views

learninganalytics.net/syllabus.html

lak11 syllabus

shared by Boden Chen on 10 Jan 11 - No Cached
  • hansdezwart on 10 Jan 11
     
    The syllabus for the course.
  • Boden Chen on 10 Jan 11
     
    Syllabus of LAK11.
hansdezwart

Week 3 LAK11 - Slackers report » Dave's Educational Blog - 0 views

davecormier.com/...week-3-lak11-slackers-report

slackers lak11 week3 semanticweb

shared by hansdezwart on 01 Feb 11 - No Cached
  • hansdezwart on 01 Feb 11
     
    Ah… the semantic web. The saviour of the internet, and the evil empire enforcing its evil standardization upon my freedom. I've always been a little suspicious of this particular topic. Not that I'm opposed to any kind of stardardization, railroads and the lack of standardizations with bank cards at grocery stores come to mind (grrr…) But the semantic web and how data is 'linked' is pretty important to analytics. time to dive in.
Tony Searl

lak12 - Week4_Semantic_Data - 2 views

lak12.wikispaces.com/Week4_Semantic_Data

semantic data #LAK12

shared by Tony Searl on 14 Feb 12 - No Cached
  • 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
  • Tony Searl on 14 Feb 12
     
    "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

Shiny Badges Everywhere. - Neoteny - 2 views

tonysearl.posterous.com/shiny-badges-everywhere

badges #lak12 analytics data connectivism learning lak11

shared by Tony Searl on 05 Feb 12 - No Cached
  • Tony Searl on 05 Feb 12
     
    sharing and communicating
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