Update README.md

README.md

@@ -1,21 +1,30 @@
 ---
 size_categories:
 - 1M<n<10M
+tags:
+- not-for-all-audiences
 ---
 
 # Danbooru2023_metadata
 
-Lastest update: `2024-01-12`
-Latest post #: `7081619`
+Size: 6,391,111 (6.39M)
 
-Metadata of posts from [Danbooru](https://danbooru.donmai.us), into a single sqlite3 file.
+Metadata of posts from [Danbooru](https://danbooru.donmai.us), up to post `#7042183`.
 
-[Looking for parquet files?](https://huggingface.co/datasets/Jakaline/Danbooru2023_metadata/tree/refs%2Fconvert%2Fparquet/default/train)
-Looking for images? [nyanko7/danbooru2023](https://huggingface.co/datasets/nyanko7/danbooru2023)
+Contains only active posts (see below). Also, child posts which have 'pixel-perfect_duplicate' were removed.
 
 ## Columns
 
-`id, md5, created_at, updated_at, score, up_score, down_score, rating, image_width, image_height, file_ext, parent_id, pixiv_id, duration, pixel_hash, tag_string_general, tag_string_character, tag_string_copyright, tag_string_artist, tag_string_meta`
+`id, md5, created_at, updated_at, score, up_score, down_score, rating, image_width, image_height, file_ext, parent_id, duration, pixel_hash, tag_string_general, tag_string_character, tag_string_copyright, tag_string_artist, tag_string_meta`
+
+### Rating
+
+- `g` (general): Completely safe for work.
+- `s` (sensitive): Probably not safe for work.
+- `q` (questionable): Softcore erotica.
+- `e` (explicit): Hardcore erotica. Definitely not safe for work.
+
+For more information, [see link](https://danbooru.donmai.us/wiki_pages/howto:rate)
 
 ## Specifics of Danbooru
 
@@ -23,18 +32,24 @@ Looking for images? [nyanko7/danbooru2023](https://huggingface.co/datasets/nyank
 
 Every danbooru posts could be categorized to four types of status.
 
-1. Active: Approved posts.
-2. Pending: Posts that are waiting to be approved. If a post is pending for more than 3 days without a moderator's approval, it is deleted. 
-3. Deleted: Posts that do not meet danbooru's criteria (Non-anime, low quality, etc)
-4. Banned: Posts that are copyright-claimed or off-limit content.
+1. Active: Posts that are approved by a moderator.
+2. Pending: Posts that are waiting to be approved. If a post is pending for more than 3 days without a moderator's approval, the post is deleted. 
+3. Deleted: Posts that do not meet danbooru's standards. (Non-anime, low quality, etc)
+4. Banned: Posts that are copyright-claimed or contain off-limit content.
 
 Therefore, we should only use images from active posts. (Banned posts cannot be downloaded by normal users.)
 
-Sadly, the [Danbooru2021 dataset](https://gwern.net/danbooru2021) did not filter any deleted posts, and a lot of text-to-image models were trained with those trash.
+Sadly, the [Danbooru2021 dataset](https://gwern.net/danbooru2021) did not filter any deleted posts, and a lot of text-to-image models were trained with deleted posts.
 
-This metadata only contains active posts.
+From a total of 7,042,183 posts, there are 224,522 banned posts and 370,595 deleted posts. Deleted posts take 5.26% of the total posts, which is not trivial. Therefore, this dataset have not included them.
 
 ## Misc
 
 - If you aim to create your own anime-based image dataset from danbooru posts, you should definitely exclude posts with the following tags: `cosplay_photo third-party_edit text-only_page`
-- Also consider excluding posts with the following tags, if you are aiming for high quality: `photo_(medium) 3d no_humans comic`
+- Also consider excluding posts with the following tags, if you are aiming for high quality: `photo_(medium) 3d no_humans comic`
+
+## Other Links
+
+[Looking for parquet files?](https://huggingface.co/datasets/Jakaline/Danbooru2023_metadata/tree/refs%2Fconvert%2Fparquet/default/train)
+
+Looking for images? [nyanko7/danbooru2023](https://huggingface.co/datasets/nyanko7/danbooru2023)