Combining rcc-8 with qualitative direction calculi: Algorithms and complexity. In IJCAI, 2009. LXIDK07. Thomas K. Landauer, Danielle S. McNamara, Simon Dennis, and Walter Kintsch. Handbook of Latent Semantic Analysis. Psychology Press, 2007. LNOO. George Lakoff and Rafael Nunez. Where Mathematics Comes F