Update README.md

README.md

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-# Japanese-Roleplay
+# Japanese-Roleplay
+
+This is a dialogue corpus collected from Japanese role-playing forum (commonly known as "なりきりチャット(narikiri chat)"). Each record corresponds to a single thread.
+
+The following filtering and cleaning conditions have been applied:
+
+- For all `post_content` in the `posts` of each record, remove response anchors.
+- For all `post_content` in the `posts` of each record, delete posts where the `post_content` length is 10 characters or less.
+- If the number of unique `poster` types in the `posts` of each record is 1 or less, delete the entire record.
+- For the `posts` in each record, if the same `poster` appears consecutively, concatenate their `post_content` with line breaks and convert it into new data.
+- If the number of unique `post_content` in the `posts` converted by the above processing is 10 or less, delete the entire record.
+
+Not all dialogues are purely role-playing. Some records include initial discussions about the settings, or they may continue from other threads.