Svd, Dimensionality Reduction, Latent Semantic Indexing, Machine Learning, Similarity Search.
of such matrix. (Δ)^(2) is is the Eigen Values of W’W and WW’. Rotation + Stretch + Rotation •Every Document can be represented in its “Terms-Concept” Plane •Every Document can be represented by its “Document-Concept” Plane. Term Plane and Document Plane are orthogonal . The concept Matrix is the