Add link to paper and update task categories

README.md

@@ -2,9 +2,10 @@
 license: cc-by-4.0
 task_categories:
 - sentence-similarity
+- text-retrieval
 ---
 
-This repository contains the datasets that are meant to be used with VIBE (Vector Index Benchmark for Embeddings):
+This repository contains the datasets presented in [VIBE: Vector Index Benchmark for Embeddings](https://huggingface.co/papers/2505.17810):
 
 https://github.com/vector-index-bench/vibe