Triple

T7490348
Position Surface form Disambiguated ID Type / Status
Subject California State Teachers’ Retirement System Teachers’ Retirement Board E176989 entity
Predicate appoints P257 FINISHED
Object CalSTRS Chief Investment Officer
The CalSTRS Chief Investment Officer is the top executive responsible for overseeing and directing the investment strategy and portfolio management of the California State Teachers’ Retirement System.
E669213 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: CalSTRS Chief Investment Officer | Statement: [California State Teachers’ Retirement System Teachers’ Retirement Board, appoints, CalSTRS Chief Investment Officer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CalSTRS Chief Investment Officer
Context triple: [California State Teachers’ Retirement System Teachers’ Retirement Board, appoints, CalSTRS Chief Investment Officer]
  • A. Chief Executive Officer of The Blackstone Group
    The Chief Executive Officer of The Blackstone Group is the top executive responsible for leading one of the world’s largest alternative investment and private equity firms.
  • B. Principal Global Investors
    Principal Global Investors is an institutional asset management firm that provides investment solutions across multiple asset classes to clients worldwide.
  • C. California Public Employees’ Retirement System Board of Administration
    The California Public Employees’ Retirement System Board of Administration is the governing body that oversees investment, benefit, and policy decisions for CalPERS, the nation’s largest public pension fund for California’s public employees.
  • D. SAC Capital Advisors
    SAC Capital Advisors was a prominent hedge fund founded by Steven A. Cohen, known for its aggressive trading strategies and later infamous for a major insider trading scandal.
  • E. Morgan Stanley Investment Management
    Morgan Stanley Investment Management is the asset management division of Morgan Stanley, providing investment products and services across a range of asset classes to institutional and individual clients worldwide.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: CalSTRS Chief Investment Officer
Triple: [California State Teachers’ Retirement System Teachers’ Retirement Board, appoints, CalSTRS Chief Investment Officer]
Generated description
The CalSTRS Chief Investment Officer is the top executive responsible for overseeing and directing the investment strategy and portfolio management of the California State Teachers’ Retirement System.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: CalSTRS Chief Investment Officer
Target entity description: The CalSTRS Chief Investment Officer is the top executive responsible for overseeing and directing the investment strategy and portfolio management of the California State Teachers’ Retirement System.
  • A. Chief Executive Officer of The Blackstone Group
    The Chief Executive Officer of The Blackstone Group is the top executive responsible for leading one of the world’s largest alternative investment and private equity firms.
  • B. Principal Global Investors
    Principal Global Investors is an institutional asset management firm that provides investment solutions across multiple asset classes to clients worldwide.
  • C. California Public Employees’ Retirement System Board of Administration
    The California Public Employees’ Retirement System Board of Administration is the governing body that oversees investment, benefit, and policy decisions for CalPERS, the nation’s largest public pension fund for California’s public employees.
  • D. SAC Capital Advisors
    SAC Capital Advisors was a prominent hedge fund founded by Steven A. Cohen, known for its aggressive trading strategies and later infamous for a major insider trading scandal.
  • E. Morgan Stanley Investment Management
    Morgan Stanley Investment Management is the asset management division of Morgan Stanley, providing investment products and services across a range of asset classes to institutional and individual clients worldwide.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69c69f2583808190bd1a4936c42a5815 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f55bdb3481908653b46eafba011d completed March 27, 2026, 9:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69c83c71f5748190bdda4cf9b8dfc6ea completed March 28, 2026, 8:39 p.m.
NEDg Description generation batch_69c83e7b2ab08190a5ecb9b87af067a5 completed March 28, 2026, 8:47 p.m.
NED2 Entity disambiguation (via description) batch_69c842bad1e8819093bf61d9480dbd22 completed March 28, 2026, 9:06 p.m.
Created at: March 27, 2026, 3:43 p.m.