add example usage for brat script

README.md

@@ -18,6 +18,7 @@ task_ids:
  - [Dataset Structure](#dataset-structure)
   - [Data Instances](#data-instances)
   - [Data Fields](#data-instances)
+ - [Usage](#usage)
 - [Additional Information](#additional-information)
   - [Licensing Information](#licensing-information)
   - [Citation Information](#citation-information)
@@ -51,6 +52,35 @@ Dataset annotated with brat format is processed using this script. Annotations c
 -notes:
 ```
 
+### Usage
+
+brat script can be used by calling `load_dataset()` method and passing `kwargs` (arguments to the [BuilderConfig](https://huggingface.co/docs/datasets/v2.2.1/en/package_reference/builder_classes#datasets.BuilderConfig)) which should include at least `url` of the dataset prepared using brat. We provide an example of [SciArg](https://aclanthology.org/W18-5206.pdf) dataset below,
+
+```python
+from datasets import load_dataset
+kwargs = {
+"description" :
+  """This dataset is an extension of the Dr. Inventor corpus (Fisas et al., 2015, 2016) with an annotation layer containing
+  fine-grained argumentative components and relations. It is the first argument-annotated corpus of scientific
+  publications (in English), which allows for joint analyses of argumentation and other rhetorical dimensions of
+  scientific writing.""",
+"citation" :
+  """@inproceedings{lauscher2018b,
+    title = {An argument-annotated corpus of scientific publications},
+    booktitle = {Proceedings of the 5th Workshop on Mining Argumentation},
+    publisher = {Association for Computational Linguistics},
+    author = {Lauscher, Anne and Glava\v{s}, Goran and Ponzetto, Simone Paolo},
+    address = {Brussels, Belgium},
+    year = {2018},
+    pages = {40–46}
+  }""",
+"homepage": "https://github.com/anlausch/ArguminSci",
+"url": "http://data.dws.informatik.uni-mannheim.de/sci-arg/compiled_corpus.zip",
+"file_name_blacklist": ['A28'],
+}
+
+dataset = load_dataset('dfki-nlp/brat', **kwargs)
+```
 
 ## Additional Information