Triple

T4082516
Position Surface form Disambiguated ID Type / Status
Subject John F. Lehman E87508 entity
Predicate familyName P18 FINISHED
Object Lehman
Lehman is a surname most prominently associated with John F. Lehman, a former U.S. Secretary of the Navy and influential defense policy figure.
 E309477 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: Lehman | Statement: [John F. Lehman, familyName, Lehman]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lehman
Context triple: [John F. Lehman, familyName, Lehman]
  • A. Lehman Brothers
    Lehman Brothers was a major global investment bank whose 2008 bankruptcy became a central event in the global financial crisis.
  • B. Bear Stearns
    Bear Stearns was a major American investment bank and brokerage firm that collapsed during the 2008 financial crisis and was acquired by JPMorgan Chase.
  • C. Goldman
    Goldman is a surname most famously associated with Emma Goldman, the anarchist political activist and writer.
  • D. Brown Brothers Harriman & Co.
    Brown Brothers Harriman & Co. is a long-established American private investment bank and financial services firm known for its influential role in U.S. and global finance.
  • E. Salomon Brothers
    Salomon Brothers was a prominent Wall Street investment bank known for its influential role in the bond market and its aggressive trading culture in the late 20th century.
  • 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: Lehman
Triple: [John F. Lehman, familyName, Lehman]
Generated description
Lehman is a surname most prominently associated with John F. Lehman, a former U.S. Secretary of the Navy and influential defense policy figure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lehman
Target entity description: Lehman is a surname most prominently associated with John F. Lehman, a former U.S. Secretary of the Navy and influential defense policy figure.
  • A. Lehman Brothers chosen
    Lehman Brothers was a major global investment bank whose 2008 bankruptcy became a central event in the global financial crisis.
  • B. Bear Stearns
    Bear Stearns was a major American investment bank and brokerage firm that collapsed during the 2008 financial crisis and was acquired by JPMorgan Chase.
  • C. Goldman
    Goldman is a surname most famously associated with Emma Goldman, the anarchist political activist and writer.
  • D. Brown Brothers Harriman & Co.
    Brown Brothers Harriman & Co. is a long-established American private investment bank and financial services firm known for its influential role in U.S. and global finance.
  • E. Salomon Brothers
    Salomon Brothers was a prominent Wall Street investment bank known for its influential role in the bond market and its aggressive trading culture in the late 20th century.
  • F. None of above.

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_69aed9435cf48190ad1da737c962d19d completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefc77dab481909bcf197daf2def59 completed March 9, 2026, 4:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69b562c6456081908cca823ebb13936a completed March 14, 2026, 1:29 p.m.
NEDg Description generation batch_69b563b5cc108190bb9684abafa608af completed March 14, 2026, 1:33 p.m.
NED2 Entity disambiguation (via description) batch_69b5646606f08190930451ac372154cd completed March 14, 2026, 1:36 p.m.
Created at: March 9, 2026, 3:39 p.m.