Updated metadata of 1.7 sources

README.md

@@ -59,9 +59,9 @@ At the moment, there are six versions of Dolma available:
 | Semantic Scholar ([S2ORC](https://aclanthology.org/2020.acl-main.447/) & [S2AG](https://www.semanticscholar.org/product/api)) | [peS2o](https://huggingface.co/datasets/allenai/peS2o) via Dolma v1.6 | No | 38.8  | 57.2 | 100% | Mar 2023 | Same as Dolma v1.6 |
 | arXiv | [RedPajama v1](https://huggingface.co/datasets/togethercomputer/RedPajama-Data-1T) | Yes | 1.5 | 28.0 | 100% | Mar 2023 | No further processing. |
 | StackExchange | [RedPajama v1](https://huggingface.co/datasets/togethercomputer/RedPajama-Data-1T) | Yes | 29.3 | 19.6 | 100%  | Mar 2023  | No further processing.  |
-| Flan | [Flan](https://arxiv.org/abs/2301.13688) via [Tulu](https://huggingface.co/datasets/allenai/tulu-v2-sft-mixture)  | Yes | 52.1 | 16.5 | 100%  | Mar 2023  |  |
+| Flan | [Flan Collection](https://arxiv.org/abs/2301.13688), reproduced following the [original code](https://github.com/google-research/FLAN/tree/main/flan/v2), as performed by [Dettmers et al., (2023)](https://openreview.net/forum?id=OUIFPHEgJU)   | Yes | 52.1 | 16.5 | 100%  | Feb 2023  | After reproducing Flan, sampled to balance different Flan subsets. Reformatted for pretraining with newlines separating instruction and demonstration. |
 | CC News | [Common Crawl](https://commoncrawl.org/blog/news-dataset-available) | Yes | 22.0 | 14.3  | 100%  | Mar 2023  | Extracted using the Dolma pipeline; new quality filtering and deduplication steps. |
-| OpenWebMath | [OpenWebMath](https://huggingface.co/datasets/open-web-math/open-web-math) via [Proof Pile II](https://huggingface.co/datasets/EleutherAI/proof-pile-2) | Yes | 2.9 |  12.6 | 100% | Oct 2023 | Training subset; no further processing. |
+| OpenWebMath | [OpenWebMath](https://huggingface.co/datasets/open-web-math/open-web-math) via [Proof Pile II](https://huggingface.co/datasets/EleutherAI/proof-pile-2) | Yes | 2.9 |  12.6 | 100% | May 2023 | Training subset; no further processing. |
 | Algebraic Stack | [Proof Pile II](https://huggingface.co/datasets/EleutherAI/proof-pile-2) | Yes | 2.8 |  12.6 | 100% | Oct 2023 | Training subset; no further processing. |
 | Project Gutenberg | [Project Gutenberg](https://www.gutenberg.org) via Dolma v1.6 | No |  0.0556 | 5.3 | 100% | Mar 2023 | Same as Dolma v1.6 |
 | MegaWika | [MetaWika](https://huggingface.co/datasets/hltcoe/megawika) | Yes | 3.2 | 4.6 | 100%  | Jul 2023  | English web pages cited from Wikipedia; curated using the full Dolma pipeline.  |