1. A computer-implemented method, comprising: identifying, by a computing system based at least in part on a segment of text, a first entity and a second entity; identifying, by the computing system based at least in part on the segment of text, a first entity attribute of the first entity and a second entity attribute of the second entity that share an attribute class; and providing, by the computing system, an indication that, in the segment of text, the first entity attribute is either similar to or different than the second entity attribute.