Automatically determine the quantity

app.py

@@ -5,6 +5,7 @@ from dataclasses import dataclass
 from itertools import batched, chain
 import json
 import os
+from math import log10
 from pathlib import Path
 from sys import stderr
 from typing import TypedDict, Self, Any, Callable
@@ -279,9 +280,22 @@ def main():
         return (result_strings, )
 
     with gr.Blocks() as demo:
+        # figure out the words to describe the quantity
+        n_entries = len(index)
+        n_digits = int(log10(n_entries))
+        divisor, postfix = {
+            0: (1, ""),
+            1: (1000, " thousand"),
+            2: (1000000, " million"),
+            3: (1000000000, " billion"),
+        }[n_digits // 3]
+        significand = n_entries / divisor
+        significand = round(significand, 1 if (n_digits % 3 == 1) else None)
+        quantity = str(significand) + postfix
+
         gr.Markdown("# abstracts-index")
         gr.Markdown(
-            "Explore 95 million academic publications selected from the "
+            f"Explore {quantity} academic publications selected from the "
             "[OpenAlex](https://openalex.org) dataset. This project is an index of the "
             "embeddings generated from their titles and abstracts. The embeddings were "
             f"generated using the {model_name} model provided by the "