The concept behind askmarkets

cross posted at “the official askmarkets blog” Askmarkets is an internet-based service...

A Course by Blog, Lessons Learned

cross posted at ‘A Course by Blog’ This semester, as you may know, I was privileged...

An ode to Chicago

Presenting at the 3rd Workshop on...

I attended earlier today the 3rd Workshop on Prediction Markets, organized with the support of Yahoo...

TechCrunch goes Open Coffee Greece

It’s true. It’s big. It’s awesome. After 22 Open Coffee events and hundred of participants around...

Attending Greek Blogger Camp 2008

  I’m attending Greek Blogger Camp 2008 (photos are flowing here, more stuff on twitter) organized...

“We charge for our services, just to secure your attention.”
— How would you receive such a...

“With the exception of advertising, the vast majority of Web...”
— please...

Comments and search added

While I’m definitely a fan of the uber-simplistic and sexy approach to blogging by tumblr,...

kind-of twitter addict lately

a Course by Blog

I’m teaching the course ‘Information Extraction Algorithms’ (well, pure data...

Prediction Markets most popular topic in Collective...

“It is possible that the many, no one of whom taken singly is...”
— Aristotle on Collective...

CSS Rounded Corners 101

Rounded corners are often a designers’ holy grail. They seem to provide a concrete user...

GIGO and prophets, tears and markets

Prediction markets failed to accurately predict the unexpected effect a few tears had on the New...

A really hot year for prediction markets...

After the launch of Wall Street Journal’s Political Market (powered by intrade,...

My brother, 14, has a blog :)

Merry Christmas everyone!

Prediction markets go mainstream, step by...

Freakonomicsed!

“With markets, “trial and error” works, because...”
— Arnold Kling

Prediction Markets as Decision Support Tool...

1837-2007: 170 years NTUA

Well, thank you Chris :)

Prediction Markets are NOT efficient

Open Coffee Athens Meeting VI

The Open Coffee Athens Meetings are “growing up”. After five quite successful events, some already...

An extensive history of the Efficient Markets...

Managing in the Information Age: A Harvard...

ads, auctions and markets: a proposal

Ads make the web go round. US internet advertisement expenditure is expected to surpass $21...

an mba course, the way it should be

i was "podcasted" by nikos anagnostou on open...

Microsoft doesn’t yet include the word...

tumblr goes 3.0

mashable attempts to catalog prediction...

This is a conference to attend

The 100 Best Business Finance Posts of All...

the net effect. by asher arlin

Crowdsourcing The Crystal Ball

Blog action day: I take action

I locate myself among those people who fundamentally believe that, if I want to feel good, or...

Awakenings

When I was experimenting with the lessig style of presentation a few months ago, I couldn’t...

how to recruit a blogger

feedburns

Triggered by this post, I decided to try some more feedburns. So, here I am: an rss feed on...

Hollywood Stock Exchange, the story

source: Alph Bingham (2003), Complexity theory and...

“Forget about explicit and tacit knowledge. It’s all...”
— describes Harvard Business...

“If surveys are pictures, markets are videos.”
— George Tziralis,...

academic crap

I received yesterday the following crappy email: To: Prof. Tziralis Georgios Subject: NEW...

I ‘ve just watched the yesterday’s keynote by Steve Jobs, presenting, among many others,...

colorful, refreshing contemplations; a sunset in sifnos...

IEEE Spectrum on Prediction Markets

Mr Prime Minister, go home

I cannot but explode after what we experienced this last week in my country. A rash of fires, an...

how to build a fast Wikipedia offline reader

Open Coffee Athens Meeting, act III

Open Coffee Athens meetings are now upgraded. Starting from September, on the first Tuesday of each...

Programming Collective Intelligence: a...

“The bees’ rules for decision-making are: seek a...”
— National Geographic Magazine...

Is There Wisdom in Crowds? - A New York Times...

Freakonomics blog just moved to New York...

The Journal of Prediction Markets, Volume 1,...

The truth of the source code

Call it Occam’s razor, minimization of information entropy, or just KISS principle. Call it...

AssignmentZero: tons of interviews on...

OpenCoffee.gr: Greek start-ups are...

The movement formalized in the two recent Open Coffee Club Athens meetings rapidly evolved into a...

To blog or not to blog: Dialogue on an...

iPhone available to touch at Plaisio...

I was lucky enough to touch and feel the ultimate gadget a couple of days ago in Miami Apple Store....

Athens 2004 Legacy & Olympic Games Impact,...

olympic.org: Athens Olympic Legacy & Olympic...

Open Coffee Club Athens, act II

The second act of the Open Coffee Club Athens is to be hosted on Tuesday, July 10th, in ‘be...

Russia awarded 2014 Winter Games | Reuters

more on my Games forecast

I’m attending the 119th IOC session, which is today to select the city to host the Winter...

live blogging from the IOC session,...

Disclaimer: This is just my feeling, while attending the session, watching the presentations from...

The new, post-Olympic Athens

I was honored enough to have a text of mine and my supervisor included in the publication...

Google News Greece launched!

switched to mac.

It’s been a week since I got my new MacBook Pro (directly from Palo Alto Apple Store, thanks...

15 prediction markets web apps

Are You A Master Predictor? A quiz powered by...

“Web 2.0 was all but predicted by The Cluetrain Manifesto,...”
— Dave McClure on Release 2.0.2

Using Forecasting Markets to Manage Demand...

Der Spiegel on prediction markets

TechForX.org

OpenCoffee Club Athens Launch Meeting

Things are moving quickly at Jade Hellas. A few days after discussing the Open Coffee Club idea,...

By the numbers: On launching...

Triggered by the latest world-changing post by the start-up-artist Guy Kawasaki, I’d like to...

Introductory paper on forecasting and...

A somehow old introductory paper of mine on prediction markets is finally published today in the...

Incorporating Uncertainty in Optimal...

A paper of mine, with my good friends and colleagues Athanasios Rentizelas and Konstantinos...

from a visit to London’s Design Museum, a few days...

interview en español

A magazine from Guatemala publishes some quotes of an interview with me on prediction markets....

The Growth of Gambling and Prediction...

In a few hours, the workshop The Growth of Gambling and Prediction Markets: Economic and Financial...

I gave a presentation earlier today at the 2nd Greek National Conference of Mechanical &...

Buck Up, Vol.2 is out

During the last months I was happy enough to envision and create from scratch, by working together...

my shared items in google reader

Black Swans and the Impossibility of...

just switched to gtziralis.com

please update your bookmarks…

zantelosophies

During a recent trip to Zakynthos (or Zante), I was invited by a friend of mine to give a speech on...

a couple of days ago at the shipwreck, Zakynthos

Hybrid Prediction Markets

Adam highlights the inevitability of prediction markets’ integration with CRM/ERP systems. Bo...

askmarkets | a prediction markets platform...

Flying up to Cologne tomorrow...

…for a much needed Easter break. I also plan a roadtrip to Benelux on the following days....

“ Markets are conversations.”
— Thesis #1, cluetrain...

My Dogma

“Where risk lies, opportunity is blooming.”
— Stavros Ponis, personal...

The Institute of Prediction Markets

Chris Masse echoes my proposal on the need for an Open Institute of Prediction Markets: We need an...

50 years EU: the dream, the hope and the...

The motivating and touching speech of Angela Merkel at the official ceremony for the 50 years of...

My literature review on prediction...

I’m happy to report that the first issue of The Journal of Prediction Markets is now publicly...

prediction markets news roll

I created a news roll for prediction markets, using the delicate google ajax search api. The api...

Welcome

Well, I’m not sure that I’m right now able to spend the needed time to  blog seriously,...

tumblr looks cool...

…let’s try it out!