diff --git a/USAGE.ipynb b/USAGE.ipynb
index 3f73222c..37de9ef2 100644
--- a/USAGE.ipynb
+++ b/USAGE.ipynb
@@ -112,17 +112,17 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Loading epymorph.adrio.commuting_flows.Commuters:\n",
-      "  |####################| 100%  (9.727s)\n",
-      "Loading epymorph.adrio.acs5.Population:\n",
-      "  |####################| 100%  (1.296s)\n",
-      "Loading epymorph.adrio.us_tiger.PostalCode:\n",
-      "  |####################| 100%  (0.171s)\n",
+      "Loading gpm:all::mm::commuters (epymorph.adrio.commuting_flows.Commuters):\n",
+      "  |####################| 100%  (9.563s)\n",
+      "Loading gpm:all::init::population (epymorph.adrio.acs5.Population):\n",
+      "  |####################| 100%  (1.101s)\n",
+      "Loading meta::geo::label (epymorph.adrio.us_tiger.PostalCode):\n",
+      "  |####################| 100%  (0.173s)\n",
       "Running simulation (BasicSimulator):\n",
       "• 2015-01-01 to 2015-05-30 (150 days)\n",
       "• 6 geo nodes\n",
       "  |####################| 100%                     \n",
-      "Runtime: 0.313s\n"
+      "Runtime: 0.336s\n"
      ]
     }
    ],
diff --git a/epymorph/adrio/adrio.py b/epymorph/adrio/adrio.py
index 9499ed6c..768eefb2 100644
--- a/epymorph/adrio/adrio.py
+++ b/epymorph/adrio/adrio.py
@@ -41,21 +41,16 @@ class Adrio(SimulationFunction[NDArray[ResultDType]]):
     web APIs, local files or database, or anything imaginable.
     """
 
-    @property
-    def full_name(self) -> str:
-        return f"{self.__class__.__module__}.{self.__class__.__qualname__}"
-
     def estimate_data(self) -> DataEstimate:
-        """Estimate the data usage of this ADRIO in a RUME.
-        If a reasonable estimate cannot be made, None is returned."""
-        return EmptyDataEstimate(self.full_name)
+        """Estimate the data usage for this ADRIO in a RUME.
+        If a reasonable estimate cannot be made, return EmptyDataEstimate."""
+        return EmptyDataEstimate(self.class_name)
 
     @abstractmethod
     def evaluate_adrio(self) -> NDArray[ResultDType]:
-        """
-        Implement this method to provide logic for the function.
-        Your implementation is free to use `data`, `dim`, and `rng`.
-        You can also use `defer` to utilize another SimulationFunction instance.
+        """Implement this method to provide logic for the function.
+        Use self methods and properties to access the simulation context or defer
+        processing to another function.
         """
 
     @override
@@ -65,7 +60,8 @@ def evaluate(self) -> NDArray[ResultDType]:
         functionality. ADRIO implementations should override `evaluate_adrio`."""
         _events.on_adrio_progress.publish(
             AdrioProgress(
-                adrio_name=self.full_name,
+                adrio_name=self.class_name,
+                attribute=self.name,
                 final=False,
                 ratio_complete=0,
                 download=None,
@@ -77,7 +73,8 @@ def evaluate(self) -> NDArray[ResultDType]:
         t1 = perf_counter()
         _events.on_adrio_progress.publish(
             AdrioProgress(
-                adrio_name=self.full_name,
+                adrio_name=self.class_name,
+                attribute=self.name,
                 final=True,
                 ratio_complete=1,
                 download=None,
@@ -95,7 +92,8 @@ def progress(
         """Emit a progress event."""
         _events.on_adrio_progress.publish(
             AdrioProgress(
-                adrio_name=self.full_name,
+                adrio_name=self.class_name,
+                attribute=self.name,
                 final=False,
                 ratio_complete=ratio_complete,
                 download=download,
diff --git a/epymorph/adrio/commuting_flows.py b/epymorph/adrio/commuting_flows.py
index 29829527..f9c23eeb 100644
--- a/epymorph/adrio/commuting_flows.py
+++ b/epymorph/adrio/commuting_flows.py
@@ -117,7 +117,7 @@ def estimate_data(self) -> DataEstimate:
 
         key = f"commflows:{year}"
         return AvailableDataEstimate(
-            name=self.full_name,
+            name=self.class_name,
             cache_key=key,
             new_network_bytes=est.missing_cache_size,
             new_cache_bytes=est.missing_cache_size,
diff --git a/epymorph/adrio/us_tiger.py b/epymorph/adrio/us_tiger.py
index cd9cb87b..1382678f 100644
--- a/epymorph/adrio/us_tiger.py
+++ b/epymorph/adrio/us_tiger.py
@@ -128,7 +128,7 @@ def estimate_data(self) -> DataEstimate:
                 )
         key = f"us_tiger:{scope.granularity}:{year}"
         return AvailableDataEstimate(
-            name=self.full_name,
+            name=self.class_name,
             cache_key=key,
             new_network_bytes=est.missing_cache_size,
             new_cache_bytes=est.missing_cache_size,
diff --git a/epymorph/data_usage.py b/epymorph/data_usage.py
index 69ad8a80..4446cbf3 100644
--- a/epymorph/data_usage.py
+++ b/epymorph/data_usage.py
@@ -1,9 +1,10 @@
+from abc import abstractmethod
 from dataclasses import dataclass
 from functools import partial
 from math import floor, inf
 from pathlib import Path
 from shutil import disk_usage
-from typing import Sequence
+from typing import Protocol, Sequence, runtime_checkable
 
 from humanize import naturaldelta, naturalsize
 
@@ -55,6 +56,14 @@ class AvailableDataEstimate:
 DataEstimate = EmptyDataEstimate | AvailableDataEstimate
 
 
+@runtime_checkable
+class CanEstimateData(Protocol):
+    @abstractmethod
+    def estimate_data(self) -> DataEstimate:
+        """Estimate the data usage for this entity.
+        If a reasonable estimate cannot be made, return EmptyDataEstimate."""
+
+
 @dataclass(frozen=True)
 class DataEstimateTotal:
     new_network_bytes: int
diff --git a/epymorph/event.py b/epymorph/event.py
index 5ac6db17..8b49e920 100644
--- a/epymorph/event.py
+++ b/epymorph/event.py
@@ -8,6 +8,7 @@
 
 from numpy.typing import NDArray
 
+from epymorph.attribute import AbsoluteName
 from epymorph.data_type import SimDType
 from epymorph.rume import Rume
 from epymorph.util import Event, Singleton
@@ -125,9 +126,9 @@ class AdrioProgress(NamedTuple):
     to report as many intermediate progress events as they like."""
 
     adrio_name: str
-    """The name of the ADRIO."""
-    # attribute: AbsoluteName # TODO: see if we can get AbsoluteName here...
-    # """The name of the attribute."""
+    """The full name of the ADRIO class."""
+    attribute: AbsoluteName
+    """The name of the attribute being evaluated."""
     final: bool
     """Is this the last progress update for this ADRIO?"""
     ratio_complete: float
diff --git a/epymorph/log/messaging.py b/epymorph/log/messaging.py
index fccd036e..8a241705 100644
--- a/epymorph/log/messaging.py
+++ b/epymorph/log/messaging.py
@@ -90,7 +90,7 @@ def on_finish(_: None) -> None:
     def on_adrio_progress(e: AdrioProgress) -> None:
         nonlocal last_progress_length
         if e.ratio_complete == 0:
-            print(f"Loading {e.adrio_name}:")
+            print(f"Loading {e.attribute} ({e.adrio_name}):")
         if not e.final:
             if e.download is None:
                 dl = ""
diff --git a/epymorph/movement_model.py b/epymorph/movement_model.py
index 1f79b38c..dcb7984c 100644
--- a/epymorph/movement_model.py
+++ b/epymorph/movement_model.py
@@ -170,7 +170,7 @@ def is_active(self, tick: Tick) -> bool:
         return self.leaves.step == tick.step and self.predicate.evaluate(tick)
 
     @property
-    def name(self) -> str:
+    def clause_name(self) -> str:
         return self.__class__.__name__
 
     @abstractmethod
diff --git a/epymorph/rume.py b/epymorph/rume.py
index 1955e946..6bc6c67e 100644
--- a/epymorph/rume.py
+++ b/epymorph/rume.py
@@ -45,7 +45,7 @@
 )
 from epymorph.data_shape import Shapes
 from epymorph.data_type import SimArray, dtype_str
-from epymorph.data_usage import estimate_report
+from epymorph.data_usage import CanEstimateData, estimate_report
 from epymorph.database import (
     Database,
     DatabaseWithFallback,
@@ -429,10 +429,9 @@ def estimate_data(
                 scope=self.scope,
                 time_frame=self.time_frame,
                 ipm=self.ipm,
-            ).estimate_data()  # type: ignore
+            ).estimate_data()
             for p in self.params.values()
-            if isinstance(p, SimulationFunction) and hasattr(p, "estimate_data")
-            # TODO: this is a bit of a hack to avoid importing Adrio here...
+            if isinstance(p, SimulationFunction) and isinstance(p, CanEstimateData)
         ]
 
         lines = list[str]()
diff --git a/epymorph/simulation.py b/epymorph/simulation.py
index 5c38c103..afb5060a 100644
--- a/epymorph/simulation.py
+++ b/epymorph/simulation.py
@@ -494,6 +494,11 @@ class BaseSimulationFunction(ABC, Generic[ResultT], metaclass=SimulationFunction
 
     _ctx: _FullContext | _PartialContext = _EMPTY_CONTEXT
 
+    @property
+    def class_name(self) -> str:
+        """The class name of the SimulationFunction."""
+        return f"{self.__class__.__module__}.{self.__class__.__qualname__}"
+
     def validate(self, result: ResultT) -> None:
         """Override this method to validate the evaluation result.
         Implementations should raise an appropriate error if results
@@ -567,6 +572,12 @@ def defer_context(
             rng=self._ctx._rng,
         )
 
+    @final
+    @property
+    def name(self) -> AbsoluteName:
+        """The name under which this attribute is being evaluated."""
+        return self._ctx.name
+
     @final
     def data(self, attribute: AttributeDef | str) -> NDArray:
         """Retrieve the value of a specific attribute."""
diff --git a/epymorph/simulator/basic/mm_exec.py b/epymorph/simulator/basic/mm_exec.py
index 1be8c54e..4697b4ce 100644
--- a/epymorph/simulator/basic/mm_exec.py
+++ b/epymorph/simulator/basic/mm_exec.py
@@ -118,7 +118,7 @@ def __init__(
             namespace = ModuleNamespace(gpm_strata(strata), "mm")
             for clause in model.clauses:
                 c = clause.with_context_internal(
-                    namespace.to_absolute(clause.name),
+                    namespace.to_absolute(clause.clause_name),
                     data,
                     rume.scope,
                     rume.time_frame,
@@ -155,7 +155,7 @@ def apply(self, tick: Tick) -> None:
 
             available_movers = self._world.get_local_array()
             clause_event = calculate_travelers(
-                clause.name,
+                clause.clause_name,
                 self._rume.compartment_mobility[strata],
                 requested_movers,
                 available_movers,