Car Manufacturers work on Android Integration for their Vehicles – [videos]

GM and OnStar are working on the integration of mobile Android application into one of their cars (Chevrolet Volt). A demonstration of a first working prototype can be seen in the video below.

[youtube KFj3OdXxszk]

Ford was also working on integrating mobile applications into their cars as the following two videos demonstrate:

SYNC AppLink and the New 2011 Ford Fiesta

[youtube 3xSOON3hxPg]

Ford SYNC and Pandora

Pandora is a free internet radio which currently sadly cannot be accesed in Austria. It has similar functionality to Last.fm.

[youtube wA_xprIebzY]

Really great what is possible now and what will be possible in the future. I definitely have to have a look at Android App development. Has anybody already some experience with it?

(via Mashable)

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[paper] – Information and communication technologies in the life of university freshmen: An analysis of change

Ein weiterer Artikel mit dem ich mich im Zuge der Lehrveranstaltung “Technology Enhanced Learning“, abgehalten an der Technischen Universität Graz (TU Graz), beschäftigt habe, ist: “Information and communication technologies in the life of university freshmen: An analysis of change” [1]. Die Studie versucht Antworten auf die folgenden Fragen zu finden:

  1. What is the self-perception of ICT competences among freshmen and is there a change in this self-perception 6 months after entering the university?
  2. How often and for what purpose do freshmen use a computer and is there a change in the frequency of the use of the computer?
  3. What factors might influence this attitude, behaviour, and possible change?

Es wurde eine Studie mit 714 “freshmen” einer großen Universität durchgeführt um die Antworten auf diese Fragen zu finden. So wird gezeigt, dass der Computer ein persönliches Lernwerkzeug für Studierende wird und Studierende konnten einerseits nach 6 Monaten ein höheres Wissen im Umgang mit dem Computer aufweisen, womit auch die Internetkompetenz geschult wurde.

Autoren:
Jef C. Verhoeven and Dirk Heerwegh and Kurt De Wit

Referenz:
[1] Jef C. Verhoeven and Dirk Heerwegh and Kurt De Wit. Information and communication technologies in the life of university freshmen: An analysis of change. Computers & Education, (55)1:53 – 66, 2010. [BibSonomycommunication information lifetechnologies tel2010 universityURL

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[paper] – Toward deep learning for adult students in online courses

Diese Woche habe ich mich im Zuge der Lehrveranstaltung “Technology Enhanced Learning“, abgehalten an der Technischen Universität Graz (TU Graz), mit dem Artikel “Toward deep learning for adult students in online courses” [1] beschäftigt. Der Artikel beschäftigt sich mit Methoden, die speziell im e-Learning für den Erwachsenenbereich angewendet werden können. Die steigende Bedeutung der Erwachsenenbildung soll durch verschiedenen, in der Publikation behandelten Strategien, unterstützt werden. Die Ergebnisse der empirischen Studie können für die Entwicklung von adaptiven e-Learning Systemen eingesetzt werden.

Autoren:
Fengfeng Ke, Kui Xie

Referenz:
[1] Fengfeng Ke and Kui Xie. Toward deep learning for adult students in online courses. The Internet and Higher Education, (12)3-4:136 – 145, 2009. [BibSonomyalgorithms courses deep learning online tel2010URL

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A Video Introduction to Web3.0 (The Semantic Web?)

Today I found a very interesting video discussing the term of the Semantic Web, not only in a technical way. Have a look at the following video:

[vimeo 11529540]

What do you think? Do you think the Semantic Web is going to happen as many people think?

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Public Key Infrastructure (PKI) – Secure Key Exchange – [video]

In public key infrastructures a common problem is that both communication partners have to have the same key in order communicate in a secure way (to encrypt and decrypt messages properly). The question is how is it practically possible to share a secret key over an untrusted channel like the internet for example. The solution is the use of asynchronous methods (public and private keys) in order to exchange the secret key in a secure way. In the following video Professor Christopher M. Bishop (Distinguished Scientist at Microsoft Research Cambridge) explains this method in a handy and understandable way to a group of children.

[youtube U62S8SchxX4]

The blue key in the video represents the secret (shared secret). The red key of Andy is his private key and the green key is the private key of Christopher. I guess the public keys are omitted in the video for didactical reasons. But the video demonstrates the key exchange in an easy to understand manner.

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The Social Media Revolution – Facts and Figures – [video]

The following video visualizes some recent social media statistics interestingly. Quite impressing how social media has developed over the last year. Facebook for example has gained 200 million users in just one year. That’s incredible …

http://www.youtube.com/watch?v=_oarMXGq3gIlFZ0z5Fm-Ng

(via crowdspring and mashable)

Twitter’s use of Cassandra, Hadoop, Pig and HBase for highly distributed Data Processing and Analysis

Kevin Weil, Analytics Lead at Twitter recently gave a presentation on Twitter’s use of Cassandra, Pig and HBase. Specially interesting is how Twitter uses Hadoop and Pig in their data analysis process.

[slideshare id=3806196&doc=nosqlattwitter-nosqleu2010-100421124212-phpapp02]

(via @kevinweil)

Another great presentation from Tobias Ivarsson gives an overview on NoSQL:

[slideshare id=3735857&doc=nosqlfordummies-100415085745-phpapp01]

(via @thobe)

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[video] – How fast is Google Chrome?

These days Google has released a video demonstrating the speed of their new beta Google Chrome browser. The video is made up in a very creative way. I am impressed how Google always finds really interesting ways to promote their products. Specially this one is of really interest:

For everybody who is interested in the making of this video will like the following one too:

(via ReadWriteWeb and Mashable)

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[paper] – Peer Assessment System for Modern Learning Settings: Towards a Flexible E-Assessment System

Diese Woche habe ich mich im Zuge der Lehrveranstaltung “Technology Enhanced Learning“, abgehalten an der Technischen Universität Graz (TU Graz), mit dem Artikel “Peer Assessment System for Modern Learning Settings: Towards a Flexible E-Assessment System” [1] beschäftigt. In diesem Artikel beschreiben die Autoren PASS (Peer ASsessment System), einen Prototypen eines Peer Assessment Systems, der im Zuge der Lehrveranstaltung “Information Search and Retrieval” an der TU Graz zur Beurteilung der Studierendenleistungen eingesetzt wurde.

Die Beurteilung beruhte auf einem Experiment das die folgenden acht Phasen durchlief:

  • Einführungsvortrag des Lehrveranstaltungsbetreuers (10 Minuten)
  • Online Lerneinheit (45 Minuten)
  • Online Test (15 Minuten)
  • Pause (15 Minuten)
  • Online Erstellung von Referenzantworten (15 Minuten)
  • Online Peer Assessment Einheit (45 Minuten)
  • Fragebogen bezüglich des Experimentes (10 Minuten)
  • Präsentation der Resultate

Neben diesen acht Phasen wurden Referenzantworten von 5 Tutoren (PhD Studenten mit Dipl.-Ing. Abschluss in Informatik) erstellt, die in der späteren Evaluierung als Basisvergleichswerte für die Bewertung dienen. Es konnte gezeigt werden, dass Studenten durch die Peer Assessment Einheit mehr vom Lehrveranstaltungsstoff behielten. Durch die wiederholte Beurteilung (Assessment) von Fragen der Mitstudenten, wurden verschiedene Sichtweisen auf ein und dasselbe Thema deutlich.

Autoren:
Mohammad Al-Smadi, Christian Guetl, Frank Kappe

Referenz:
[1] Al-Smadi, M., Guetl, C., & Kappe, F. (2010). Peer Assessment System for Modern Learning Settings: Towards a Flexible E-Assessment System. International Journal Of Emerging Technologies In Learning (IJET), 5(6). Retrieved May 4, 2010, from http://online-journals.org/i-jet/article/view/1229

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Fiverr – Offer or buy a micro services for $5

Recently I have read about Fiverr, a service which enables users to offer or buy micro-services for $5 Dollars.

Here are some sample offers:

That’s a great idea! 🙂

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