diff --git a/examples/comparison_pfd_vs_afd.py b/examples/comparison_pfd_vs_afd.py
index 07cfb7657d..3fe026ed77 100644
--- a/examples/comparison_pfd_vs_afd.py
+++ b/examples/comparison_pfd_vs_afd.py
@@ -26,8 +26,8 @@ def get_pfds():
 pfds = set(get_pfds())
 afds = set(get_afds())
 
-print("pFDs \ AFDs =", stringify(pfds - afds))
-print("AFDs \ pFDs =", stringify(afds - pfds))
+print("pFDs \\ AFDs =", stringify(pfds - afds))
+print("AFDs \\ pFDs =", stringify(afds - pfds))
 print("AFDs ∩ pFDs =", stringify(afds & pfds))
 
 print("1 - PerValue([DeviceId] -> Data) =", 0.1714285714)
diff --git a/src/python_bindings/ac/bind_ac.cpp b/src/python_bindings/ac/bind_ac.cpp
index 9255b57eb1..a3b276c292 100644
--- a/src/python_bindings/ac/bind_ac.cpp
+++ b/src/python_bindings/ac/bind_ac.cpp
@@ -1,4 +1,9 @@
-#include "bind_ac.h"
+#include "ac/bind_ac.h"
+
+#include <cstddef>
+#include <string>
+#include <utility>
+#include <vector>
 
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
@@ -7,9 +12,7 @@
 #include "algorithms/algebraic_constraints/mining_algorithms.h"
 #include "py_util/bind_primitive.h"
 
-namespace {
 namespace py = pybind11;
-}  // namespace
 
 namespace python_bindings {
 void BindAc(py::module_& main_module) {
@@ -27,7 +30,7 @@ void BindAc(py::module_& main_module) {
                 std::vector<std::pair<pybind11::float_, pybind11::float_>> res;
                 res.reserve(ranges.ranges.size() / 2);
                 assert(ranges.ranges.size() % 2 == 0);
-                for (size_t i = 0; i < ranges.ranges.size(); i += 2) {
+                for (std::size_t i = 0; i < ranges.ranges.size(); i += 2) {
                     // TODO: change this once a proper conversion mechanism from
                     // `model::INumericType` is implemented
                     std::string l_endpoint =
@@ -42,12 +45,9 @@ void BindAc(py::module_& main_module) {
     BindPrimitiveNoBase<ACAlgorithm>(ac_module, "AcAlgorithm")
             .def("get_ac_ranges", &ACAlgorithm::GetRangesCollections,
                  py::return_value_policy::reference_internal)
-            .def(
-                    "get_ac_exceptions",
-                    [](ACAlgorithm& algo) {
-                        algo.CollectACExceptions();
-                        return algo.GetACExceptions();
-                    },
-                    py::return_value_policy::reference_internal);
+            .def("get_ac_exceptions", [](ACAlgorithm& algo) {
+                algo.CollectACExceptions();
+                return algo.GetACExceptions();
+            });
 }
 }  // namespace python_bindings
diff --git a/src/python_bindings/ar/bind_ar.cpp b/src/python_bindings/ar/bind_ar.cpp
index b87ef805fa..3448fe618e 100644
--- a/src/python_bindings/ar/bind_ar.cpp
+++ b/src/python_bindings/ar/bind_ar.cpp
@@ -1,4 +1,4 @@
-#include "bind_ar.h"
+#include "ar/bind_ar.h"
 
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
@@ -7,9 +7,7 @@
 #include "algorithms/association_rules/mining_algorithms.h"
 #include "py_util/bind_primitive.h"
 
-namespace {
 namespace py = pybind11;
-}  // namespace
 
 namespace python_bindings {
 void BindAr(py::module_& main_module) {
diff --git a/src/python_bindings/bind_main_classes.cpp b/src/python_bindings/bind_main_classes.cpp
index 2f3ea88a16..948bc8a3a6 100644
--- a/src/python_bindings/bind_main_classes.cpp
+++ b/src/python_bindings/bind_main_classes.cpp
@@ -14,8 +14,9 @@
 #include "py_util/opt_to_py.h"
 #include "py_util/py_to_any.h"
 
-namespace {
 namespace py = pybind11;
+
+namespace {
 using algos::Algorithm;
 auto const kVoidIndex = std::type_index{typeid(void)};
 
diff --git a/src/python_bindings/data/bind_data.cpp b/src/python_bindings/data/bind_data.cpp
new file mode 100644
index 0000000000..0eeea3de62
--- /dev/null
+++ b/src/python_bindings/data/bind_data.cpp
@@ -0,0 +1,24 @@
+#include "data/bind_data.h"
+
+#include <pybind11/pybind11.h>
+#include <pybind11/stl.h>
+
+#include "config/tabular_data/input_table_type.h"
+#include "model/table/column_combination.h"
+
+namespace py = pybind11;
+
+namespace python_bindings {
+void BindDataModule(py::module_& main_module) {
+    auto data_module = main_module.def_submodule("data");
+    data_module.doc() = "Contains everything related to data itself.";
+    auto table_tag = py::class_<config::InputTable>(data_module, "Table");
+    table_tag.doc() = "Tag type for tabular data.";
+
+    using namespace model;
+    py::class_<ColumnCombination>(data_module, "ColumnCombination")
+            .def("__str__", &ColumnCombination::ToString)
+            .def_property_readonly("table_index", &ColumnCombination::GetTableIndex)
+            .def_property_readonly("column_indices", &ColumnCombination::GetColumnIndices);
+}
+}  // namespace python_bindings
diff --git a/src/python_bindings/data/bind_data.h b/src/python_bindings/data/bind_data.h
new file mode 100644
index 0000000000..addc2530a3
--- /dev/null
+++ b/src/python_bindings/data/bind_data.h
@@ -0,0 +1,7 @@
+#pragma once
+
+#include <pybind11/pybind11.h>
+
+namespace python_bindings {
+void BindDataModule(pybind11::module_& main_module);
+}  // namespace python_bindings
diff --git a/src/python_bindings/dd/bind_split.cpp b/src/python_bindings/dd/bind_split.cpp
index e31846e1ce..2fe07a84ea 100644
--- a/src/python_bindings/dd/bind_split.cpp
+++ b/src/python_bindings/dd/bind_split.cpp
@@ -1,4 +1,4 @@
-#include "bind_split.h"
+#include "dd/bind_split.h"
 
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
@@ -7,9 +7,7 @@
 #include "algorithms/dd/mining_algorithms.h"
 #include "py_util/bind_primitive.h"
 
-namespace {
 namespace py = pybind11;
-}  // namespace
 
 namespace python_bindings {
 void BindSplit(py::module_& main_module) {
diff --git a/src/python_bindings/fd/bind_fd.cpp b/src/python_bindings/fd/bind_fd.cpp
index 726024c6a3..1f8e4740ca 100644
--- a/src/python_bindings/fd/bind_fd.cpp
+++ b/src/python_bindings/fd/bind_fd.cpp
@@ -1,4 +1,8 @@
-#include "bind_fd.h"
+#include "fd/bind_fd.h"
+
+#include <cstddef>
+#include <initializer_list>
+#include <vector>
 
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
@@ -10,9 +14,9 @@
 #include "py_util/bind_primitive.h"
 #include "util/bitset_utils.h"
 
-namespace {
 namespace py = pybind11;
 
+namespace {
 template <typename ElementType>
 py::tuple VectorToTuple(std::vector<ElementType> vec) {
     std::size_t const size = vec.size();
diff --git a/src/python_bindings/fd/bind_fd_verification.cpp b/src/python_bindings/fd/bind_fd_verification.cpp
index ca65c64236..ad63e62ad2 100644
--- a/src/python_bindings/fd/bind_fd_verification.cpp
+++ b/src/python_bindings/fd/bind_fd_verification.cpp
@@ -1,4 +1,4 @@
-#include "bind_fd_verification.h"
+#include "fd/bind_fd_verification.h"
 
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
@@ -8,9 +8,7 @@
 #include "algorithms/fd/verification_algorithms.h"
 #include "py_util/bind_primitive.h"
 
-namespace {
 namespace py = pybind11;
-}  // namespace
 
 namespace python_bindings {
 void BindFdVerification(pybind11::module_& main_module) {
@@ -30,6 +28,8 @@ void BindFdVerification(pybind11::module_& main_module) {
             .def("get_num_error_rows", &FDVerifier::GetNumErrorRows)
             .def("get_highlights", &FDVerifier::GetHighlights);
 
+    // Create AFD verification module alias. We currently consider FD verification and AFD
+    // verification to be the same.
     main_module.attr("afd_verification") = fd_verification_module;
 }
 }  // namespace python_bindings
diff --git a/src/python_bindings/gfd/bind_gfd_verification.cpp b/src/python_bindings/gfd/bind_gfd_verification.cpp
index 94d91e7db8..f9deff7027 100644
--- a/src/python_bindings/gfd/bind_gfd_verification.cpp
+++ b/src/python_bindings/gfd/bind_gfd_verification.cpp
@@ -6,9 +6,7 @@
 #include "algorithms/gfd/verification_algorithms.h"
 #include "py_util/bind_primitive.h"
 
-namespace {
 namespace py = pybind11;
-}  // namespace
 
 namespace python_bindings {
 void BindGfdVerification(pybind11::module_& main_module) {
diff --git a/src/python_bindings/mfd/bind_mfd_verification.cpp b/src/python_bindings/mfd/bind_mfd_verification.cpp
index 6e7d3bfd71..007b1b7ffa 100644
--- a/src/python_bindings/mfd/bind_mfd_verification.cpp
+++ b/src/python_bindings/mfd/bind_mfd_verification.cpp
@@ -1,4 +1,4 @@
-#include "bind_mfd_verification.h"
+#include "mfd/bind_mfd_verification.h"
 
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
@@ -7,9 +7,7 @@
 #include "algorithms/metric/verification_algorithms.h"
 #include "py_util/bind_primitive.h"
 
-namespace {
 namespace py = pybind11;
-}  // namespace
 
 namespace python_bindings {
 void BindMfdVerification(py::module_& main_module) {
diff --git a/src/python_bindings/py_util/bind_primitive.h b/src/python_bindings/py_util/bind_primitive.h
index 819cc2343c..9ab6ea5f32 100644
--- a/src/python_bindings/py_util/bind_primitive.h
+++ b/src/python_bindings/py_util/bind_primitive.h
@@ -84,10 +84,10 @@ auto BindPrimitiveNoBase(pybind11::module_& module, char const* algo_name) {
     using algos::Algorithm;
 
     auto algos_module = module.def_submodule("algorithms");
-    auto default_module =
+    auto default_algorithm =
             detail::RegisterAlgorithm<AlgorithmType, Algorithm>(algos_module, algo_name);
-    algos_module.attr("Default") = default_module;
-    return default_module;
+    algos_module.attr("Default") = default_algorithm;
+    return default_algorithm;
 }
 
 }  // namespace python_bindings
diff --git a/src/python_bindings/py_util/opt_to_py.cpp b/src/python_bindings/py_util/opt_to_py.cpp
index 71ba870752..e4bf9684b2 100644
--- a/src/python_bindings/py_util/opt_to_py.cpp
+++ b/src/python_bindings/py_util/opt_to_py.cpp
@@ -14,8 +14,9 @@
 #include "config/max_lhs/type.h"
 #include "config/thread_number/type.h"
 
-namespace {
 namespace py = pybind11;
+
+namespace {
 using ConvFunction = std::function<py::object(boost::any)>;
 
 template <typename T>
diff --git a/src/python_bindings/py_util/py_to_any.cpp b/src/python_bindings/py_util/py_to_any.cpp
index d8eb12e923..bff6fee8e3 100644
--- a/src/python_bindings/py_util/py_to_any.cpp
+++ b/src/python_bindings/py_util/py_to_any.cpp
@@ -19,9 +19,9 @@
 #include "py_util/create_dataframe_reader.h"
 #include "util/enum_to_available_values.h"
 
-namespace {
-
 namespace py = pybind11;
+
+namespace {
 using ConvFunc = std::function<boost::any(std::string_view, py::handle)>;
 
 template <typename T>
diff --git a/src/python_bindings/statistics/bind_statistics.cpp b/src/python_bindings/statistics/bind_statistics.cpp
index 5a23403be0..f5d2f66969 100644
--- a/src/python_bindings/statistics/bind_statistics.cpp
+++ b/src/python_bindings/statistics/bind_statistics.cpp
@@ -1,4 +1,4 @@
-#include "bind_statistics.h"
+#include "statistics/bind_statistics.h"
 
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
@@ -6,9 +6,7 @@
 #include "algorithms/statistics/data_stats.h"
 #include "py_util/bind_primitive.h"
 
-namespace {
 namespace py = pybind11;
-}  // namespace
 
 namespace PYBIND11_NAMESPACE {
 namespace detail {
diff --git a/src/python_bindings/ucc/bind_ucc.cpp b/src/python_bindings/ucc/bind_ucc.cpp
index f565f24b52..50b2b90379 100644
--- a/src/python_bindings/ucc/bind_ucc.cpp
+++ b/src/python_bindings/ucc/bind_ucc.cpp
@@ -1,4 +1,4 @@
-#include "bind_ucc.h"
+#include "ucc/bind_ucc.h"
 
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
@@ -9,10 +9,8 @@
 #include "py_util/bind_primitive.h"
 #include "util/bitset_utils.h"
 
-namespace {
 namespace py = pybind11;
 using model::UCC;
-}  // namespace
 
 namespace python_bindings {
 void BindUcc(py::module_& main_module) {
diff --git a/src/python_bindings/ucc/bind_ucc_verification.cpp b/src/python_bindings/ucc/bind_ucc_verification.cpp
index e7e8646a7a..95013f2dbc 100644
--- a/src/python_bindings/ucc/bind_ucc_verification.cpp
+++ b/src/python_bindings/ucc/bind_ucc_verification.cpp
@@ -1,4 +1,4 @@
-#include "bind_ucc_verification.h"
+#include "ucc/bind_ucc_verification.h"
 
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
@@ -6,9 +6,7 @@
 #include "algorithms/ucc/verification_algorithms.h"
 #include "py_util/bind_primitive.h"
 
-namespace {
 namespace py = pybind11;
-}  // namespace
 
 namespace python_bindings {
 void BindUccVerification(pybind11::module_& main_module) {
@@ -22,6 +20,8 @@ void BindUccVerification(pybind11::module_& main_module) {
             .def("get_num_rows_violating_ucc", &UCCVerifier::GetNumRowsViolatingUCC)
             .def("get_clusters_violating_ucc", &UCCVerifier::GetClustersViolatingUCC)
             .def("get_error", &UCCVerifier::GetError);
+    // Create AUCC verification module alias. We currently consider UCC verification and AUCC
+    // verification to be the same.
     main_module.attr("aucc_verification") = ucc_verification_module;
 }
 }  // namespace python_bindings