/usr/include/shark/Unsupervised/ is in libshark-dev 3.0.1+ds1-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/shark/Unsupervised/RBM/
/usr/include/shark/Unsupervised/RBM/BinaryRBM.h
/usr/include/shark/Unsupervised/RBM/BipolarRBM.h
/usr/include/shark/Unsupervised/RBM/ConvolutionalBinaryRBM.h
/usr/include/shark/Unsupervised/RBM/ConvolutionalRBM.h
/usr/include/shark/Unsupervised/RBM/Energy.h
/usr/include/shark/Unsupervised/RBM/GaussianBinaryRBM.h
/usr/include/shark/Unsupervised/RBM/GradientApproximations/
/usr/include/shark/Unsupervised/RBM/GradientApproximations/ContrastiveDivergence.h
/usr/include/shark/Unsupervised/RBM/GradientApproximations/ExactGradient.h
/usr/include/shark/Unsupervised/RBM/GradientApproximations/Impl/
/usr/include/shark/Unsupervised/RBM/GradientApproximations/Impl/DataEvaluator.h
/usr/include/shark/Unsupervised/RBM/GradientApproximations/MultiChainApproximator.h
/usr/include/shark/Unsupervised/RBM/GradientApproximations/SingleChainApproximator.h
/usr/include/shark/Unsupervised/RBM/Impl/
/usr/include/shark/Unsupervised/RBM/Impl/AverageEnergyGradient.h
/usr/include/shark/Unsupervised/RBM/Impl/ConvolutionalEnergyGradient.h
/usr/include/shark/Unsupervised/RBM/Impl/analytics.h
/usr/include/shark/Unsupervised/RBM/Neuronlayers/
/usr/include/shark/Unsupervised/RBM/Neuronlayers/BinaryLayer.h
/usr/include/shark/Unsupervised/RBM/Neuronlayers/BipolarLayer.h
/usr/include/shark/Unsupervised/RBM/Neuronlayers/GaussianLayer.h
/usr/include/shark/Unsupervised/RBM/Neuronlayers/TruncatedExponentialLayer.h
/usr/include/shark/Unsupervised/RBM/Problems/
/usr/include/shark/Unsupervised/RBM/Problems/BarsAndStripes.h
/usr/include/shark/Unsupervised/RBM/Problems/DistantModes.h
/usr/include/shark/Unsupervised/RBM/Problems/MNIST.h
/usr/include/shark/Unsupervised/RBM/Problems/Shifter.h
/usr/include/shark/Unsupervised/RBM/RBM.h
/usr/include/shark/Unsupervised/RBM/Sampling/
/usr/include/shark/Unsupervised/RBM/Sampling/EnergyStoringTemperedMarkovChain.h
/usr/include/shark/Unsupervised/RBM/Sampling/GibbsOperator.h
/usr/include/shark/Unsupervised/RBM/Sampling/Impl/
/usr/include/shark/Unsupervised/RBM/Sampling/Impl/SampleTypes.h
/usr/include/shark/Unsupervised/RBM/Sampling/MarkovChain.h
/usr/include/shark/Unsupervised/RBM/Sampling/TemperedMarkovChain.h
/usr/include/shark/Unsupervised/RBM/StateSpaces/
/usr/include/shark/Unsupervised/RBM/StateSpaces/RealSpace.h
/usr/include/shark/Unsupervised/RBM/StateSpaces/TwoStateSpace.h
/usr/include/shark/Unsupervised/RBM/Tags.h
/usr/include/shark/Unsupervised/RBM/TruncExpBinaryRBM.h
/usr/include/shark/Unsupervised/RBM/analytics.h