Before revision: VW, W ∈ {S, H} symbolizes the visualization functions, which are either functions visualizing data VS : S → V or functions visualizing hypotheses VH : H → V. HY, Y ∈ {S, V} represents the hypotheses generation process.
After revision: VW, W ∈ {S, H} symbolizes the visualization functions, which are either functions visualizing data VS : S → V or functions visualizing hypotheses VH : H → V. HY, Y ∈ {S, V} representD the hypotheses generation process.