Update README.md

README.md

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 ---
 license: mit
+language:
+- en
+size_categories:
+- 10M<n<100M
 ---
+# Dataset Card for DSIR-filtered-pile-50M
+
+## Dataset Description
+
+- **Repository:** 
+- **Paper:** 
+- **Point of Contact: Sang Michael Xie <xie@cs.stanford.edu>** 
+
+### Dataset Summary
+
+This dataset is a subset of The Pile, selected via the DSIR data selection method. The target distribution for DSIR is the Wikipedia and book-related subsets of The Pile.
+
+
+### Languages
+
+English (EN)
+
+## Dataset Structure
+
+### Data Instances
+
+[More Information Needed]
+
+### Data Fields
+
+[More Information Needed]
+
+## Dataset Creation
+We first select 102.4M examples then concatenate every two examples to create 51.2M examples.
+This ensures that the examples are long enough for a max token length of 512 without much padding.
+We train the importance weight estimator for DSIR from The Pile validation set, where the target is Wikipedia + BookCorpus2 + Gutenberg + Books3 and the raw data come from the rest of the data sources in The Pile.
+We first select 98.4M examples from non-Wikipedia and book data, then randomly select 2M from Wikipedia and 0.66M each from BookCorpus2, Gutenberg, and Books3. 
+After this, we concatenate every two examples.
+
+### Source Data
+The Pile
+
+#### Initial Data Collection and Normalization
+We select data from The Pile, which comes in 30 random chunks. We reserve chunk 0 for validation purposes and only consider the last 29 chunks.
+We first divided the documents in The Pile into chunks of 128 words, according to whitespace tokenization.
+These chunks define the examples that we do data selection on, totaling 1.7B examples.
+Before DSIR, we first apply a manual quality filter (see paper for details) and only consider the examples that pass the filter.
+
+
+### Annotations
+
+There are no annotations.
+
+
+## Considerations for Using the Data
+
+The dataset is biased towards choosing data from non-Wikipedia and non-Books sources. A balanced approach would be to mix in more data from Wikipedia and books.
+
+### Dataset Curators
+
+Sang Michael Xie
+
+### Citation Information
+
+@article{xie2023data,
+  author = {Sang Michael Xie and Shibani Santurkar and Tengyu Ma and Percy Liang},
+  journal = {TODO},
+  title = {Data Selection for Language Models via Importance Resampling},
+  year = {2023},
+}