We continue at the CCC Symposium with the great Alex Halavais, who is interested in the first place in the hidden patterns in data, and the learning - the evolution of ideas - which might result from them. But how do we detect such learning, such change? One indicator could be the popularity of content or users - success may be measured in the amount of attention received, for example. But all of this also happens at multiple scales, in multiple contexts - search engines cannot simply produce one result, for example, but must produce the right results for a …











