Sentiment analysis from unstructured text has witnessed a boom in interest in recent years, due to the sheer volume of online reviews and news corpora available in digital form. An accurate method for predicting sentiments could enable us, for instance, to extract opinions from the Internet and...

One of the central issues in online planning is to incorporate forecast information in real time decision making. This often leads to intractable dynamic programming problems. In this work, we study a general class of online planning problems with concave objective functions and global...