In many situations, we present our ideas using presentation tools, such as PowerPoint in Microsoft Office. However, story created by author is sometimes inappropriate and listeners cannot understand topics that the author wants to insist by watching the generated slide. Our research aims at constructing the system which automatically detects differences of author’s intention and slide structure, and points out inappropriateness of generated slides. Author’s intention for each slide is captured by assigning each slide in
. On the other hand, topics that listeners may understand from generated slides are estimated based on the lexical information in the slides and are organized as
. Relations between generated slides are detected by the change of their focusing nodes in a topic tree. By comparing relations grasped by the topic template and topic tree, the system is able to point out inappropriate slides automatically.