Update README.md

README.md

@@ -13,4 +13,28 @@ _Encyclopædia Britannica_ is the most prestigious reference work in English.
 This dataset contains the text of the entries from the 7th edition as well extracted geographical 
 coordinates.
 
-The original text comes from the [Nineteenth-Century Knowledge Project](https://tu-plogan.github.io/source/r_7th_edition.html)
+The original text comes from the [Nineteenth-Century Knowledge Project](https://tu-plogan.github.io/source/r_7th_edition.html)
+
+### Data Instances
+Each sample is a JSON dictionnary with `id`, the entry ID in the [Nineteenth-Century Knowledge Project](https://tu-plogan.github.io/source/r_7th_edition.html)
+ nomenclature, `texte`, the text of the entry and `coords`, the coordinates if any, and a disclaimer, as for example:
+
+
+```
+{
+  "texte": "NARLAH, a town of Hindustan, in the province of Orissa, possessed by independent native chiefs. It is thirty miles east from the town of Bustar. Long. 83. 5. E. Lat. 19. 50. N. 0",
+  "id": "kp-eb0715-073501-8764",
+  "disclamer": "ENCYCLOPEDIA BRITANNICA, SEVENTH EDITION: A MACHINE-READABLE TEXT
+ TRANSCRIPTION (v3.1), The Nineteenth-Century Knowledge Project, 2024
+ nckp@temple.edu, https://tu-plogan.github.io/.
+
+ License: CC-BY-4.0, https://creativecommons.org/licenses/by/4.0/.
+
+ Source: Encyclopaedia Britannica: A Dictionary of Arts, Sciences,
+ and General Literature. 7th ed., 21 vols. Edinburgh: Adam and 
+ Charles Black, 1830-1842. Image scans: Natl. Library of Scotland.
+
+ This entry: 7th edition, volume 15, page 735 [7:15:735]",
+  "coords": "19 50' N 83 5' E"}
+}
+```