Add task category and link to code

README.md

@@ -1,13 +1,18 @@
 ---
 license: mit
+task_categories:
+- text-retrieval
 tags:
 - retrieval-augmented-generation
 - deep-research
 - search
 ---
+
 # Passage Corpus for the BrowseComp-Plus Dataset
 
-This repository contains the passage corpus for the BrowseComp-Plus dataset, used in the paper [Revisiting Text Ranking in Deep Research](https://arxiv.org/abs/2602.21456)..
+This repository contains the passage corpus for the BrowseComp-Plus dataset, used in the paper [Revisiting Text Ranking in Deep Research](https://arxiv.org/abs/2602.21456).
+
+**Code:** [https://github.com/ChuanMeng/text-ranking-in-deep-research](https://github.com/ChuanMeng/text-ranking-in-deep-research)
 
 The corpus consists of 2,772,255 passages. The file format follows the Tevatron data format. Each item contains three fields: `docid`, `title`, and `text`.