Heming Liu

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upvoted a paper 4 days ago

ASPI: Seeking Ambiguity Clarification Amplifies Prompt Injection Vulnerability in LLM Agents

Paper • 2605.17324 • Published May 17 • 1

authored a paper 4 days ago

MatrAIx: Simulating the World with 8.3 Billion Persona Agents

Paper • 2608.04205 • Published 13 days ago • 42

updated a dataset 27 days ago

MatrAIx2026/Existing_Data

Updated 27 days ago • 342 • 6

New activity in MatrAIx2026/Existing_Data 27 days ago

Preserve 1290-extraction docs (1290_EXTRACTIONS.md); fix dead extraction-repo links

#61 opened 27 days ago by

heming03

New activity in MatrAIx2026/Existing_Data 29 days ago

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

1

#60 opened 29 days ago by

heming03

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

1

#58 opened 29 days ago by

heming03

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

1

#57 opened 29 days ago by

heming03

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

1

#56 opened 29 days ago by

heming03

New activity in MatrAIx2026/Existing_Data 30 days ago

Add PR #53-compatible Stack Overflow persona extractions

4

#55 opened 30 days ago by

stickyricer

Add Amazon extraction experiment artifacts (prompt + parallelism evidence)

1

#54 opened about 1 month ago by

ktwu01

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

2

#53 opened about 1 month ago by

ktwu01

Add YAML personas for Amazon medium_b capped pilot

2

#49 opened about 1 month ago by

rorogao

Add Amazon medium_b capped pilot complete shard outputs

1

#48 opened about 1 month ago by

ktwu01

New activity in MatrAIx2026/Existing_Data about 1 month ago

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

2

#52 opened about 1 month ago by

heming03

liked a dataset about 1 month ago

ScaleAI/aspi

Viewer • Updated May 15 • 1.46k • 149 • 3

New activity in MatrAIx2026/Existing_Data about 1 month ago

Add YAML personas for Amazon medium_b capped pilot

2

#49 opened about 1 month ago by

rorogao

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

4

#40 opened about 1 month ago by

heming03

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

1

#39 opened about 1 month ago by

heming03

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

1

#38 opened about 1 month ago by

heming03

Restructure: move datasets/* subfolders to top level

#37 opened about 1 month ago by

heming03