Additionally, we see that some conclusions of the OpPMI system are similar to those of the OpPr system, for example, that "Storm" is more closely related to the Blackberry than the iPhone.
1 In this work, we deal only with dual-sided, dual-topic debates about named entities, for example iPhone vs. Blackberry, where topic 1 = iPhone, topic 2 =Blackberry, side 1 = pro-iPhone, and side 2 =pro-Blackberry.