diff --git a/models/contentunderstanding/__init__.py b/models/contentunderstanding/__init__.py
new file mode 100755
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/models/rank/tagspace/__init__.py b/models/contentunderstanding/tagspace/__init__.py
similarity index 100%
rename from models/rank/tagspace/__init__.py
rename to models/contentunderstanding/tagspace/__init__.py
diff --git a/models/rank/tagspace/config.yaml b/models/contentunderstanding/tagspace/config.yaml
similarity index 100%
rename from models/rank/tagspace/config.yaml
rename to models/contentunderstanding/tagspace/config.yaml
diff --git a/models/rank/tagspace/model.py b/models/contentunderstanding/tagspace/model.py
similarity index 100%
rename from models/rank/tagspace/model.py
rename to models/contentunderstanding/tagspace/model.py
diff --git a/models/rank/tagspace/reader.py b/models/contentunderstanding/tagspace/reader.py
similarity index 100%
rename from models/rank/tagspace/reader.py
rename to models/contentunderstanding/tagspace/reader.py
diff --git a/models/rank/tagspace/test_data/small_test.csv b/models/contentunderstanding/tagspace/test_data/small_test.csv
similarity index 100%
rename from models/rank/tagspace/test_data/small_test.csv
rename to models/contentunderstanding/tagspace/test_data/small_test.csv
diff --git a/models/rank/tagspace/train_data/small_train.csv b/models/contentunderstanding/tagspace/train_data/small_train.csv
similarity index 100%
rename from models/rank/tagspace/train_data/small_train.csv
rename to models/contentunderstanding/tagspace/train_data/small_train.csv
diff --git a/models/rank/text_classification/config.yaml b/models/contentunderstanding/text_classification/config.yaml
similarity index 100%
rename from models/rank/text_classification/config.yaml
rename to models/contentunderstanding/text_classification/config.yaml
diff --git a/models/rank/text_classification/model.py b/models/contentunderstanding/text_classification/model.py
similarity index 100%
rename from models/rank/text_classification/model.py
rename to models/contentunderstanding/text_classification/model.py
diff --git a/models/rank/text_classification/reader.py b/models/contentunderstanding/text_classification/reader.py
similarity index 100%
rename from models/rank/text_classification/reader.py
rename to models/contentunderstanding/text_classification/reader.py
diff --git a/models/rank/text_classification/train_data/part-0 b/models/contentunderstanding/text_classification/train_data/part-0
similarity index 100%
rename from models/rank/text_classification/train_data/part-0
rename to models/contentunderstanding/text_classification/train_data/part-0
diff --git a/models/recall/multiview-simnet/__init__.py b/models/match/multiview-simnet/__init__.py
similarity index 100%
rename from models/recall/multiview-simnet/__init__.py
rename to models/match/multiview-simnet/__init__.py
diff --git a/models/recall/multiview-simnet/config.yaml b/models/match/multiview-simnet/config.yaml
similarity index 100%
rename from models/recall/multiview-simnet/config.yaml
rename to models/match/multiview-simnet/config.yaml
diff --git a/models/recall/multiview-simnet/data/test/test.txt b/models/match/multiview-simnet/data/test/test.txt
similarity index 100%
rename from models/recall/multiview-simnet/data/test/test.txt
rename to models/match/multiview-simnet/data/test/test.txt
diff --git a/models/recall/multiview-simnet/data/train/train.txt b/models/match/multiview-simnet/data/train/train.txt
similarity index 100%
rename from models/recall/multiview-simnet/data/train/train.txt
rename to models/match/multiview-simnet/data/train/train.txt
diff --git a/models/recall/multiview-simnet/data_process.sh b/models/match/multiview-simnet/data_process.sh
similarity index 100%
rename from models/recall/multiview-simnet/data_process.sh
rename to models/match/multiview-simnet/data_process.sh
diff --git a/models/recall/multiview-simnet/evaluate_reader.py b/models/match/multiview-simnet/evaluate_reader.py
similarity index 100%
rename from models/recall/multiview-simnet/evaluate_reader.py
rename to models/match/multiview-simnet/evaluate_reader.py
diff --git a/models/recall/multiview-simnet/generate_synthetic_data.py b/models/match/multiview-simnet/generate_synthetic_data.py
similarity index 100%
rename from models/recall/multiview-simnet/generate_synthetic_data.py
rename to models/match/multiview-simnet/generate_synthetic_data.py
diff --git a/models/recall/multiview-simnet/model.py b/models/match/multiview-simnet/model.py
similarity index 100%
rename from models/recall/multiview-simnet/model.py
rename to models/match/multiview-simnet/model.py
diff --git a/models/recall/multiview-simnet/reader.py b/models/match/multiview-simnet/reader.py
similarity index 100%
rename from models/recall/multiview-simnet/reader.py
rename to models/match/multiview-simnet/reader.py