Heming Liu

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New activity in MatrAIx2026/Existing_Data about 18 hours ago

Reconcile README with 2026-07-18 extraction restructure (folders, table, stats)

1

#60 opened about 19 hours ago by

heming03

New activity in MatrAIx2026/Existing_Data 1 day ago

AppleML-PrimeX: fold in 19.61 avg dims/row; align count 859→858 (source-verified)

1

#58 opened 1 day ago by

heming03

Rework 1290-dims/row: fold into Personas, move Format/Location to far right

1

#57 opened 1 day ago by

heming03

Add 1290-dims/row column to data-sources table

1

#56 opened 1 day ago by

heming03

Add PR #53-compatible Stack Overflow persona extractions

4

#55 opened 2 days ago by

stickyricer

New activity in MatrAIx2026/Existing_Data 2 days ago

Add Amazon extraction experiment artifacts (prompt + parallelism evidence)

1

#54 opened 2 days ago by

ktwu01

Add FINAL full medium_b Amazon extraction (Casper H100 + Derecho A100)

2

#53 opened 4 days ago by

ktwu01

updated a dataset 2 days ago

MatrAIx2026/Existing_Data

Updated about 18 hours ago • 4.15k • 4

New activity in MatrAIx2026/Existing_Data 2 days ago

Add YAML personas for Amazon medium_b capped pilot

2

#49 opened 9 days ago by

rorogao

Add Amazon medium_b capped pilot complete shard outputs

1

#48 opened 9 days ago by

ktwu01

New activity in MatrAIx2026/Existing_Data 4 days ago

Add PRISM 1290-dim persona extraction (separate, additive; does not replace prism-alignment/)

2

#52 opened 5 days ago by

heming03

liked a dataset 7 days ago

ScaleAI/aspi

Viewer • Updated May 15 • 1.46k • 158 • 3

New activity in MatrAIx2026/Existing_Data 8 days ago

Add Nemotron France (1M) in MatrAIx schema — finalize PR #32, credit @AravindMohan

4

#40 opened 12 days ago by

heming03

New activity in MatrAIx2026/Existing_Data 12 days ago

Add GSS: 74,798 real survey personas, occupation-grounded (re-sourced finalize of PR #33, credit @AravindMohan)

1

#39 opened 12 days ago by

heming03

Add Afrobarometer Round 9: 53,384 real survey personas (finalize stale PR #28, credit @oooranz)

1

#38 opened 12 days ago by

heming03

New activity in MatrAIx2026/Existing_Data 14 days ago

Restructure: move datasets/* subfolders to top level

#37 opened 14 days ago by

heming03

Restructure: move datasets/* subfolders to top level

#37 opened 14 days ago by

heming03

updated a dataset 14 days ago

MatrAIx2026/Existing_Data

Updated about 18 hours ago • 4.15k • 4

New activity in MatrAIx2026/Existing_Data 19 days ago

Add Tianyi-Lab/Personas: 48,000 US-census-grounded synthetic personas

5

#22 opened 24 days ago by

heming03

Add Nemotron France + India at full scale (4M personas, 400 parquet files)

5

#32 opened 23 days ago by

AravindMohan