Inspired by earlier works on multimodal interfaces (e.g., Bolt, 1980;Cohen el al., 1996;Wahlster, 1991;Zancanaro et al., 1997), we are currently building an intelligent infrastructure, called Responsive Information Architect (RIA) to aid users in their information-seeking process.
relation indicates the temporal relations (e.g., Precede or Succeed) or ordinal relations (e.g., first).