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The Darker Side of Blinkx

Video and advertising conglomerate Blinkx tells investors its “strong performance” results from “strategic initiatives” and “expanding demand, content, and audiences.” Indeed, Blinkx recently climbed past a $1.2 billion valuation. At first glance, it … → Read More: The Darker Side of Blinkx

The Darker Side of Blinkx

Video and advertising conglomerate Blinkx tells investors its “strong performance” results from “strategic initiatives” and “expanding demand, content, and audiences.” Indeed, Blinkx recently climbed past a $1.2 billion valuation. At first glance, it … → Read More: The Darker Side of Blinkx

Discrimination at Airbnb

Online marketplaces often contain information not only about products, but also about the people selling the products. In an effort to facilitate trust, many platforms encourage sellers to provide personal profiles and even to post pictures of themselv… → Read More: Discrimination at Airbnb

Discrimination at Airbnb

Online marketplaces often contain information not only about products, but also about the people selling the products. In an effort to facilitate trust, many platforms encourage sellers to provide personal profiles and even to post pictures of themselv… → Read More: Discrimination at Airbnb

12th International Content Based Multimedia Indexing Workshop

Following the eleven successful previous events of CBMI (Toulouse 1999, Brescia 2001, Rennes 2003, Riga 2005, Bordeaux 2007, London 2008, Chania 2009, Grenoble 2010, Madrid 2011, Annecy 2012, and Veszprem 2013), the 12th International Content Based Mul… → Read More: 12th International Content Based Multimedia Indexing Workshop

Price Coherence: Impact and Incentives

In modern markets, buyers can often buy the same good or service directly from a seller, and through one or more intermediaries, all at the same exact price. How should buyers behave in these markets? The natural strategy is to choose whichever interme… → Read More: Price Coherence: Impact and Incentives

Price Coherence: Impact and Incentives

In modern markets, buyers can often buy the same good or service directly from a seller, and through one or more intermediaries, all at the same exact price. How should buyers behave in these markets? The natural strategy is to choose whichever interme… → Read More: Price Coherence: Impact and Incentives

Assessor error and term model weights

In my last post, we saw that randomly swapping training labels, in a (simplistic) simulation of the effect of assessor error, leads as expected to a decline in classifier accuracy, with the decline being greater for lower prevalence topics (in part, we surmised, because of the primitive way we were simulating assessor errors). In this […] → Read More: Assessor error and term model weights