Currently viewing the category: "crowdsourcing"
Bird_Diversity_2011

How many birds are there?

By On 30/03/2012 · Leave a Comment

Humans are still the best systems in recognizing acoustic patterns. For example, volunteers perform much better than machines in associating vocalizations to the corresponding species, by listening to the recordings obtained by placing sensors into the environment. But can a human being listen to hundreds of hours of wildlife recordings and annotate all the sounds […]

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After crowdmapping, no-one-around-mapping?

By On 23/02/2012 · Leave a Comment

To crowdmap a region, first of all you need a crowd. As people are lazy, you need a lot of small contribution to get a meaningful geographical annotation. Of course, this is more easily done in cities, and that’s why projects like OpenStreetMap work so well in big towns like London or New York.

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Data: visualize or analyze?

By On 12/12/2011 · Leave a Comment

At the Eye On Earth Summit, a special working group has been devoted to crowdsourcing for environmental purposes. The White Paper introducing the discussion is a very clear presentation of the field, and it is useful for a broad audience – from citizens interested into the potential of social media to scientists writing their […]

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The wisdom of the (optimal) crowd

By On 24/11/2011 · Leave a Comment

Dozens of new citizen science projects are generated daily. Most of them include beautiful maps, fair amounts of crowdsourced data, amazing visualization tools. But how many of these projects provide a really good representation of the monitored projects? In other words: we can ask birdwatchers to monitor birds’ migration paths, but are we really […]

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