To address the problems of other existing approaches mainly based on inverted index, KISS uses hypercube to index objects according to their keyword set.

• 为了避免传统透过倒置列表法所带来的问题，这个索引与搜寻方案使用超立方空间做为基础，并将物件以其所属的关键词集合来做为索引的依据。