Behind-the-enemy-lines - behind-the-enemy-lines.com - A Computer Scientist in a Business School
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Online labor markets: Why they can't scale and the crowdsourcing solution. 31 Jul 2013 | 06:30 pm
I am a big proponent of outsourcing work using online labor markets. Over the last decade I outsourced hundreds of projects, ranging from simple data entry to big, complex software products. I learned...
Majority voting and information theory: What am I missing? 29 Jul 2013 | 04:43 am
In crowdsourcing, redundancy is a common approach to ensure quality. One of the questions that arises in this setting is the question of equivalence. Let's assume that a worker has a known probability...
Facebook implements brand safety, doing it "manually" (crowdsourcing?) 29 Jun 2013 | 05:34 am
I just read that Facebook started thinking about brand safety, and will restrict ads from appearing next to content that may be controversial (e.g., adult-oriented content). I was rather surprised to...
Mechanical Turk account verification: Why Amazon disables so many accounts 29 Jun 2013 | 01:57 am
Over the last year, Amazon embarked into a big effort: All holders of an Amazon Payments account (which includes all the Mechanical Turk worker) had to verify their accounts, by providing their social...
Project Troia: Quality Assurance in Crowdsourcing 19 Jun 2013 | 01:31 am
One of the key problems in crowdsourcing is the issue of quality control. Over the last few years, a large number of methods have been proposed for estimating the quality of workers and the quality of...
Intrade Archive: Data for Posterity 3 Apr 2013 | 12:04 am
A few years back, I have done some work on prediction markets. For this line of research, we have been collecting data from Intrade, to perform our experimental analysis. Some of the data is available...
Intrade Archive: Data for Posterity 3 Apr 2013 | 12:04 am
A few years back, I have done some work on prediction markets. For this line of research, we have been collecting data from Intrade, to perform our experimental analysis. Some of the data is available...
WikiSynonyms: Find synonyms using Wikipedia redirects 26 Feb 2013 | 08:38 am
Many many years back, I worked with Wisam Dakka on a paper to create faceted interfaced for text collections. One of the requirements for that project was to discover synonyms for named entities. Whil...
WikiSynonyms: Find synonyms using Wikipedia redirects 26 Feb 2013 | 08:38 am
Many many years back, I worked with Wisam Dakka on a paper to create faceted interfaced for text collections. One of the requirements for that project was to discover synonyms for named entities. Whil...
Towards a Market for Intelligence 28 Jan 2013 | 09:26 pm
Last September, I was visiting CMU and a student asked me a question: "Do you know any crowdsourcing market, where we can assign tasks to people, as opposed to waiting for the workers to pick the task...
