Update README.md

README.md

@@ -14,7 +14,7 @@ viewer: false
 
 ## Description
 
-*TODO: What is the artifact?*
+RetroMAE index for Hotpot QA
 
 ## Usage
 
@@ -22,17 +22,34 @@ viewer: false
 # Load the artifact
 import pyterrier_alpha as pta
 artifact = pta.Artifact.from_hf('pyterrier/hotpotqa.retromae.flex')
-# TODO: Show how you use the artifact
+artifact.np_retriever()
 ```
 
 ## Benchmarks
 
-*TODO: Provide benchmarks for the artifact.*
+`hotpotqa/dev`
+
+| name      |   nDCG@10 |   R@1000 |
+|:----------|----------:|---------:|
+| np (flat) |    0.6019 |   0.8156 |
+
+`hotpotqa/test`
+
+| name      |   nDCG@10 |   R@1000 |
+|:----------|----------:|---------:|
+| np (flat) |    0.5866 |    0.819 |
 
 ## Reproduction
 
 ```python
-# TODO: Show how you constructed the artifact.
+import pyterrier as pt
+from tqdm import tqdm
+import ir_datasets
+from pyterrier_dr import FlexIndex, RetroMAE
+pipeline = RetroMAE.msmarco_distill() >> FlexIndex("hotpotqa.retromae.flex")
+dataset = ir_datasets.load('beir/hotpotqa')
+docs = ({'docno': d.doc_id, 'text': d.default_text()} for d in tqdm(dataset.docs))
+pipeline.index(docs)
 ```
 
 ## Metadata