Patent ID: 8341539

Claim:
An information processing apparatus, comprising: a processor; and a memory, the memory storing program code executable by the processor to cause the information processing apparatus to provide operations comprising: a content detector portion that detects contents belonging to a time range, said contents being detected from a set of different content types having associated time information; a display controller portion that displays, on a display portion along a time series, content-related graphical information for said contents belonging to the time range along the time series; an operation state detector portion that detects a selected content and alters a content-related graphical information for the selected content from among the displayed content-related graphical information; and a transition display controller portion that responds to detection of the selected content, collects a past time information associated with the selected content, and updates the display portion to include the content-related graphical information of the selected content and the past time information associated with the selected content.