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README.md

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+---
+dataset_info:
+  features:
+  - name: text
+    dtype: string
+  - name: timestamp
+    dtype: string
+  - name: url
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 830150253418
+    num_examples: 87337884
+  - name: validation
+    num_bytes: 832560244
+    num_examples: 87420
+  download_size: 298921056154
+  dataset_size: 830982813662
+---
+# Dataset Card for "mc4-ja"
+
+[More Information needed](https://github.com/huggingface/datasets/blob/main/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)