%0 Journal Article %T Preprocessing of Unstructured Data Using 2D Coiflet Wavelet-Based Optimized Back-Propagation Neural Network for Opinion Mining %A Zakir, H. Mohamed %A Jinny, S. Vinila %J Arabian Journal for Science and Engineering %V 48 %N 2 %P 2523-2537 %@ 1319-8025 %D 2023-02-01 %I Springer Berlin Heidelberg %~ DeepDyve