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First, it was pointed out in this paper that there exists a hierarchical organization of entity to be represented by the neural networks. This hierarchical organization leads to four levels of correspondences between the entity, patterns, elements, items and the units. Then we classified representations further into more detailed categories from two(More)
It was pointed out in this paper that the planar topology of current back-propagation neural network (BPNN) sets limits to solve the slow convergence rate problem, local minima, incapability of learning etc. problems associated with BPNN. The parallel probabilistic neural network (PPNN) using a new neural network topology-stereotopology-was proposed to(More)
Human immunodeficiency virus (HIV) particles that remain in the blood of patients are frequently ignored as targets for AIDS treatment. We therefore investigated the use of photodynamic therapy (PDT) with hematoporphyrin monomethyl ether (HMME) as a means of inactivating cell-free HIV in vitro. Virus particles including HIV-1(IIIB), resistant HIV-1(More)
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