diff --git a/internal/domain/task/__init__.py b/internal/domain/task/__init__.py
index 2e40fd9..e1b1be4 100644
--- a/internal/domain/task/__init__.py
+++ b/internal/domain/task/__init__.py
@@ -2,3 +2,5 @@
 from internal.domain.task.entities import AfdTask  # noqa: F401
 from internal.domain.task.entities import AcTask  # noqa: F401
 from internal.domain.task.entities import IndTask  # noqa: F401
+from internal.domain.task.entities import AindTask  # noqa: F401
+from internal.domain.task.entities import ArTask  # noqa: F401
diff --git a/internal/domain/task/entities/__init__.py b/internal/domain/task/entities/__init__.py
index 9f13224..28856b2 100644
--- a/internal/domain/task/entities/__init__.py
+++ b/internal/domain/task/entities/__init__.py
@@ -5,6 +5,7 @@
 from internal.domain.task.entities.ac import AcTask
 from internal.domain.task.entities.ind import IndTask
 from internal.domain.task.entities.aind import AindTask
+from internal.domain.task.entities.ar import ArTask
 from internal.domain.task.value_objects import PrimitiveName
 
 
@@ -32,4 +33,6 @@ def match_task_by_primitive_name(primitive_name: PrimitiveName):
             return IndTask()
         case PrimitiveName.aind:
             return AindTask()
+        case PrimitiveName.ar:
+            return ArTask()
     assert_never(primitive_name)
diff --git a/internal/domain/task/entities/ar/__init__.py b/internal/domain/task/entities/ar/__init__.py
new file mode 100644
index 0000000..f9a4dec
--- /dev/null
+++ b/internal/domain/task/entities/ar/__init__.py
@@ -0,0 +1 @@
+from internal.domain.task.entities.ar.ar_task import ArTask  # noqa: F401
diff --git a/internal/domain/task/entities/ar/ar_task.py b/internal/domain/task/entities/ar/ar_task.py
new file mode 100644
index 0000000..715f706
--- /dev/null
+++ b/internal/domain/task/entities/ar/ar_task.py
@@ -0,0 +1,58 @@
+from desbordante.ar import ArAlgorithm
+from desbordante.ar.algorithms import Apriori
+from internal.domain.task.entities.task import Task
+from internal.domain.task.value_objects import PrimitiveName, IncorrectAlgorithmName
+from internal.domain.task.value_objects.ar import ArTaskConfig, ArTaskResult
+from internal.domain.task.value_objects.ar import (
+    ArAlgoName,
+    ArModel,
+    ArAlgoResult,
+)
+
+
+class ArTask(Task[ArAlgorithm, ArTaskConfig, ArTaskResult]):
+    """
+    Task class for Association Rule (AR) mining.
+
+    This class handles the execution of different AR algorithms and processes
+    the results into the appropriate format. It implements the abstract methods
+    defined in the Task base class.
+
+    Methods:
+    - _match_algo_by_name(algo_name: ArAlgoName) -> ArAlgorithm:
+      Match AR algorithm by its name.
+    - _collect_result(algo: ArAlgorithm) -> ArTaskResult:
+      Process the output of the AR algorithm and return the result.
+    """
+
+    def _collect_result(self, algo: ArAlgorithm) -> ArTaskResult:
+        """
+        Collect and process the AR result.
+
+        Args:
+            algo (ArAlgorithm): AR algorithm to process.
+        Returns:
+            ArTaskResult: The processed result containing association rules.
+        """
+        ar_ids = algo.get_ar_ids()
+        ar_strings = algo.get_ars()
+        algo_result = ArAlgoResult(
+            ars=list(map(ArModel.from_ar, ar_strings)),
+            ar_ids=list(map(ArModel.from_ar_ids, ar_ids)),
+        )
+        return ArTaskResult(primitive_name=PrimitiveName.ar, result=algo_result)
+
+    def _match_algo_by_name(self, algo_name: str) -> ArAlgorithm:
+        """
+        Match the association rule algorithm by name.
+
+        Args:
+            algo_name (ArAlgoName): The name of the AR algorithm.
+        Returns:
+            ArAlgorithm: The corresponding algorithm instance.
+        """
+        match algo_name:
+            case ArAlgoName.Apriori:
+                return Apriori()
+            case _:
+                raise IncorrectAlgorithmName(algo_name, "AR")
diff --git a/internal/domain/task/entities/task.py b/internal/domain/task/entities/task.py
index 9d8e04f..3df5433 100644
--- a/internal/domain/task/entities/task.py
+++ b/internal/domain/task/entities/task.py
@@ -1,7 +1,7 @@
 from abc import ABC, abstractmethod
 import desbordante
 import pandas
-from internal.domain.task.value_objects import TaskConfig, TaskResult
+from internal.domain.task.value_objects import PrimitiveName, TaskConfig, TaskResult
 
 
 class Task[A: desbordante.Algorithm, C: TaskConfig, R: TaskResult](ABC):
@@ -60,10 +60,15 @@ def execute(self, table: pandas.DataFrame, task_config: C) -> R:
         algo_config = task_config.config
         options = algo_config.model_dump(exclude_unset=True, exclude={"algo_name"})
         algo = self._match_algo_by_name(algo_config.algo_name)
-        # TODO: IND, AIND requires multiple tables
-        try:
-            algo.load_data(table=table)
-        except desbordante.ConfigurationError:
-            algo.load_data(tables=[table])
+
+        # TODO: FIX THIS PLS!!!
+        match task_config.primitive_name:
+            case PrimitiveName.ind | PrimitiveName.aind:
+                algo.load_data(tables=[table])
+            case PrimitiveName.ar:
+                algo.load_data(table=table, input_format=options["input_format"])
+            case _:
+                algo.load_data(table=table)
+
         algo.execute(**options)
         return self._collect_result(algo)
diff --git a/internal/domain/task/value_objects/__init__.py b/internal/domain/task/value_objects/__init__.py
index 4432e32..640dfe5 100644
--- a/internal/domain/task/value_objects/__init__.py
+++ b/internal/domain/task/value_objects/__init__.py
@@ -6,6 +6,7 @@
 from internal.domain.task.value_objects.ac import AcTaskConfig, AcTaskResult
 from internal.domain.task.value_objects.ind import IndTaskConfig, IndTaskResult
 from internal.domain.task.value_objects.aind import AindTaskConfig, AindTaskResult
+from internal.domain.task.value_objects.ar import ArTaskConfig, ArTaskResult
 
 from internal.domain.task.value_objects.config import TaskConfig  # noqa: F401
 from internal.domain.task.value_objects.result import TaskResult  # noqa: F401
@@ -24,11 +25,25 @@
 )
 
 OneOfTaskConfig = Annotated[
-    Union[FdTaskConfig, AfdTaskConfig, AcTaskConfig, IndTaskConfig, AindTaskConfig],
+    Union[
+        FdTaskConfig,
+        AfdTaskConfig,
+        AcTaskConfig,
+        IndTaskConfig,
+        AindTaskConfig,
+        ArTaskConfig,
+    ],
     Field(discriminator="primitive_name"),
 ]
 
 OneOfTaskResult = Annotated[
-    Union[FdTaskResult, AfdTaskResult, AcTaskResult, IndTaskResult, AindTaskResult],
+    Union[
+        FdTaskResult,
+        AfdTaskResult,
+        AcTaskResult,
+        IndTaskResult,
+        AindTaskResult,
+        ArTaskResult,
+    ],
     Field(discriminator="primitive_name"),
 ]
diff --git a/internal/domain/task/value_objects/ar/__init__.py b/internal/domain/task/value_objects/ar/__init__.py
new file mode 100644
index 0000000..3cba82f
--- /dev/null
+++ b/internal/domain/task/value_objects/ar/__init__.py
@@ -0,0 +1,23 @@
+from typing import Literal
+
+from pydantic import BaseModel
+
+from internal.domain.task.value_objects.primitive_name import PrimitiveName
+from internal.domain.task.value_objects.ar.algo_config import OneOfArAlgoConfig
+from internal.domain.task.value_objects.ar.algo_result import (  # noqa: F401
+    ArAlgoResult,
+    ArModel,
+)
+from internal.domain.task.value_objects.ar.algo_name import ArAlgoName  # noqa: F401
+
+
+class BaseArTaskModel(BaseModel):
+    primitive_name: Literal[PrimitiveName.ar]
+
+
+class ArTaskConfig(BaseArTaskModel):
+    config: OneOfArAlgoConfig
+
+
+class ArTaskResult(BaseArTaskModel):
+    result: ArAlgoResult
diff --git a/internal/domain/task/value_objects/ar/algo_config.py b/internal/domain/task/value_objects/ar/algo_config.py
new file mode 100644
index 0000000..a381255
--- /dev/null
+++ b/internal/domain/task/value_objects/ar/algo_config.py
@@ -0,0 +1,36 @@
+from typing import Literal, Annotated
+from pydantic import Field
+from internal.domain.common import OptionalModel
+from internal.domain.task.value_objects.ar.algo_name import ArAlgoName
+from internal.domain.task.value_objects.ar.algo_descriptions import descriptions
+
+
+class BaseArConfig(OptionalModel):
+    __non_optional_fields__ = {
+        "algo_name",
+    }
+
+
+class AprioriConfig(BaseArConfig):
+    algo_name: Literal[ArAlgoName.Apriori]
+
+    has_tid: Annotated[bool, Field(description=descriptions["has_tid"])]
+    minconf: Annotated[float, Field(ge=0, le=1, description=descriptions["minconf"])]
+    minsup: Annotated[float, Field(ge=0, le=1, description=descriptions["minsup"])]
+    input_format: Annotated[
+        str,
+        Literal["singular", "tabular"],
+        Field(description=descriptions["input_format"]),
+    ]
+    item_column_index: Annotated[
+        int, Field(ge=0, description=descriptions["item_column_index"])
+    ]
+    tid_column_index: Annotated[
+        int, Field(ge=0, description=descriptions["tid_column_index"])
+    ]
+
+
+OneOfArAlgoConfig = Annotated[
+    AprioriConfig,
+    Field(discriminator="algo_name"),
+]
diff --git a/internal/domain/task/value_objects/ar/algo_descriptions.py b/internal/domain/task/value_objects/ar/algo_descriptions.py
new file mode 100644
index 0000000..918245b
--- /dev/null
+++ b/internal/domain/task/value_objects/ar/algo_descriptions.py
@@ -0,0 +1,8 @@
+descriptions = {
+    "has_tid": "Indicates that the first column contains the transaction IDs",
+    "minconf": "Minimum confidence value (between 0 and 1)",
+    "input_format": "Format of the input dataset for AR mining",
+    "item_column_index": "Index of the column where an item name is stored",
+    "minsup": "Minimum support value (between 0 and 1)",
+    "tid_column_index": "Index of the column where a TID is stored",
+}
diff --git a/internal/domain/task/value_objects/ar/algo_name.py b/internal/domain/task/value_objects/ar/algo_name.py
new file mode 100644
index 0000000..b8b5b81
--- /dev/null
+++ b/internal/domain/task/value_objects/ar/algo_name.py
@@ -0,0 +1,5 @@
+from enum import StrEnum, auto
+
+
+class ArAlgoName(StrEnum):
+    Apriori = auto()
diff --git a/internal/domain/task/value_objects/ar/algo_result.py b/internal/domain/task/value_objects/ar/algo_result.py
new file mode 100644
index 0000000..e8c2c41
--- /dev/null
+++ b/internal/domain/task/value_objects/ar/algo_result.py
@@ -0,0 +1,21 @@
+from pydantic import BaseModel
+from desbordante.ar import ARStrings, ArIDs
+
+
+class ArModel(BaseModel):
+    @classmethod
+    def from_ar(cls, ar: ARStrings):
+        return cls(confidence=ar.confidence, left=ar.left, right=ar.right)
+
+    @classmethod
+    def from_ar_ids(cls, ar_id: ArIDs):
+        return cls(confidence=ar_id.confidence, left=ar_id.left, right=ar_id.right)
+
+    confidence: float
+    left: list[str]
+    right: list[str]
+
+
+class ArAlgoResult(BaseModel):
+    ars: list[ArModel]
+    ar_ids: list[ArModel]
diff --git a/internal/domain/task/value_objects/primitive_name.py b/internal/domain/task/value_objects/primitive_name.py
index 6e1f3c4..10163f1 100644
--- a/internal/domain/task/value_objects/primitive_name.py
+++ b/internal/domain/task/value_objects/primitive_name.py
@@ -4,7 +4,7 @@
 class PrimitiveName(StrEnum):
     fd = auto()
     afd = auto()
-    # ar = auto()
+    ar = auto()
     ac = auto()
     ind = auto()
     aind = auto()