Update README.md

README.md

@@ -34,13 +34,29 @@ The dataset is organized in a format that captures both text and images in their
 
 ```json
 {
-  "URL": "...",          # The URL of the source document.
+  "URL": "...",           # The URL of the source document.
   "text_list": [...],     # List of extracted text segments, None if the element is an image.
   "image_list": [...],    # List of image URLs, None if the element is a text segment.
   "metadata": {...}       # Metadata containing information about the extraction process (e.g., processing details, timestamps).
+  "metadata": {           # Metadata containing information about the extraction process (e.g., processing details, timestamps).
+    "ft_lang_label",      # Type of languages detected by fastText
+    "ft_lang_prob",       # Probability of type of language detected by fastText
+    "math_prob",          # First round math content detection with high recal fastText model
+    "size",
+    "snap",               # Timestamp of Common Crawl snapshot
+    "text_gpt3_token_len",
+    "char_repetition_ratio",
+    "word_repetition_ratio",
+    "special_character_ratio",
+    "punctuation_ratio",  
+    "nsfw_num_words",     # Number of words which are NSFW
+    "has_unicode_error",  # If there's any unicode error exists
+    "math_prob_llama3",   # Probability of second round math detection with high precision fastText model
+  }
 }
 ```
 
+
 ### Interleaved Text and Images
 
 The **text_list** and **image_list** are designed as parallel arrays, maintaining the sequence of the document. This interleaving structure allows models to reconstruct the flow of the original document:
@@ -66,6 +82,10 @@ The **InfiMM-WebMath-40B** dataset was created through a comprehensive multi-sta
 1. **Base Text Download**: The dataset is available for download as a set of web documents with interleaved text and image URLs.
 2. **Image Download**: Users need to download images according to the image URLs provided.
 
+### Note
+
+If you want more data with more precision, you can always use higher thresholds with `math_prob` and `math_prob_llama3` fields in `metadata`.
+
 # License
 
 **InfiMM-WebMath-40B** is made available under an ODC-By 1.0 license; users should also abide by the CommonCrawl ToU: [https://commoncrawl.org/terms-of-use/](https://commoncrawl.org/terms-of-use/). We do not alter the license of any of the underlying data.