move grounding-dataset to a new WIP section

resources/grounding-dataset-v1.md → resources/grounding-dataset.md

 ---
 layout: page
-title: Dataset for Grounding of Formulae, Version 1
+title: Dataset for Grounding of Formulae
 ---
 
 ### Basic Information
 
 * Author: Takuto Asakura, André Greiner-Petter, Akiko Aizawa, and Yusuke Miyao
-* Release date: 2020-03-18
+* Updated: 2020-03-26
 
 ### Accessibility and License
 
@@ -20,7 +20,7 @@ itself.
 
 ### Description
 
-This is the first public release of the dataset for grounding of formulae.
+This is the project to create a dataset for grounding of formulae.
 
 As a trial work, this dataset consists of an annotated long paper (20 pages in
 PDF):

resources/index.md

@@ -11,7 +11,9 @@ title: SIGMathLing - Datasets and Resources
  1. [quantity expressions](/resources/quantity-expressions)
  1. [arXMLiv word embeddings, 08.2017 release](/resources/arxmliv-embeddings-082017)
  1. [arXMLiv corpus, 08.2017 release](/resources/arxmliv-dataset-082017/)
- 1. [Dataset for Grounding of Formulae, v1](/resources/grounding-dataset-v1)
+
+## Work-In-Progress Resources hosted on the SIGMathLing Repository
+ 1. [Dataset for Grounding of Formulae](/resources/grounding-dataset)
 
 ## Resources hosted externally
  1.  [ACL-math-annotation](http://www-al.nii.ac.jp/acl-math-annotation/)