/usr/include/shark/Data/ is in libshark-dev 3.0.1+ds1-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/shark/Data/BatchInterface.h
/usr/include/shark/Data/BatchInterfaceAdaptStruct.h
/usr/include/shark/Data/CVDatasetTools.h
/usr/include/shark/Data/Csv.h
/usr/include/shark/Data/DataDistribution.h
/usr/include/shark/Data/DataView.h
/usr/include/shark/Data/Dataset.h
/usr/include/shark/Data/ExportKernelMatrix.h
/usr/include/shark/Data/HDF5.h
/usr/include/shark/Data/Impl/
/usr/include/shark/Data/Impl/BoostFusion151DefineStructInl.hpp
/usr/include/shark/Data/Impl/BoostFusionCopy.hpp
/usr/include/shark/Data/Impl/CVDatasetTools.inl
/usr/include/shark/Data/Impl/Dataset.inl
/usr/include/shark/Data/Impl/Statistics.inl
/usr/include/shark/Data/LabelOrder.h
/usr/include/shark/Data/Libsvm.h
/usr/include/shark/Data/Pgm.h
/usr/include/shark/Data/SparseData.h
/usr/include/shark/Data/Statistics.h
/usr/include/shark/Data/WeightedDataset.h