update README

README.md

@@ -1,9 +1,34 @@
+---
+annotations_creators:
+- no-annotation
+language_creators:
+- crowdsourced
+language:
+- en
+license: cc-by-nc-4.0
+multilinguality:
+- multilingual
+size_categories:
+- 10M<n<100M
+source_datasets:
+- original
+task_categories:
+- fill-mask
+- text-generation
+task_ids:
+- language-modeling
+- masked-language-modeling
+pretty_name: Wiki-DPR
+tags:
+- text-search
+---
+
 The project contains indexes, datasets, checkpoints for RAG training and research.
 
 ## Sources
 - checkpoint: ColBERTv2 (https://downloads.cs.stanford.edu/nlp/data/colbert/colbertv2/colbertv2.0.tar.gz)
 - dataset: wiki_dpr (https://github.com/facebookresearch/DPR/blob/main/dpr/data/download_data.py)
-- indexes (TODO)
-
-* Didn't compress the index files to one archive because compress save less than 5% space and takes a long time.
+- indexes (https://github.com/ittia-research/check/tree/main/datasets/wiki_dpr)
+  - indexing config: `ColBERTConfig(nbits=2, doc_maxlen=220)`
+  - Didn't compress the index files to one archive because compress save less than 5% space and takes a long time.