Errata for Trading Collobert et al. 2006 for Scalability

In Algorithm 2 the condition

\[0<\alpha_{l}^{t}<C\]

for computing $b^t$ should be

\[-\beta_{l}^{t-1}<\alpha_{l}^{t}<C-\beta_{l}^{t-1}\]

Thanks for Haoda Fu for pointing out that error.