initial commit

README.md

@@ -199,12 +199,14 @@ Representative subsamples are provided for quick experiments:
 |`ur0.1`|1,000,000|18,701,510|4,066,457,259|0.0217%|
 |`ur0.01`|100,000|12,467,302|407,854,360|0.0327%|
 |`ur0.01_ir0.01`|90,178|125,018|4,044,900|0.0359%|
+|`up0.01_ir0.01`|100000|171106|38,404,921|0.2245%|
 |`ur0.01_ip0.01`|99,893|196,277|191,625,941|0.9774%|
 |`up0.01_ip0.01`|100,000|196,277|1,417,906,344|7.2240%|
 |`up0.001_ip0.001`|10,000|19,628|47,976,280|24.4428%|
 |`up-0.9_ip-0.9`|8,939,432|17,654,817|2,861,937,212|0.0018%|
 
 
+
 - `urX` — X fraction of **r**andom **u**sers (e.g., `ur0.01` = 1% of users).
 - `ipX` — X fraction of **p**opular **i**tems (by `train_interactions_rank`)  
 - Negative X denotes the least-popular fraction (e.g., `−0.9` → bottom 90%).