Triple

T12091008
Position Surface form Disambiguated ID Type / Status
Subject Mayer Lehman E287939 entity
Predicate familyName P18 FINISHED
Object Lehman
Lehman is a prominent surname most famously associated with the Lehman family of financiers behind the former global investment bank Lehman Brothers.
 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: [Mayer Lehman, familyName, Lehman]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lehman
Context triple: [Mayer 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. Guggenheim Securities
    Guggenheim Securities is the investment banking and capital markets arm of Guggenheim Partners, providing advisory, financing, and related financial services to corporate and institutional clients.
  • D. Goldman
    Goldman is a surname most famously associated with Emma Goldman, the anarchist political activist and writer.
  • E. 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.
  • 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: [Mayer Lehman, familyName, Lehman]
Generated description
Lehman is a prominent surname most famously associated with the Lehman family of financiers behind the former global investment bank Lehman Brothers.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lehman
Target entity description: Lehman is a prominent surname most famously associated with the Lehman family of financiers behind the former global investment bank Lehman Brothers.
  • 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. Guggenheim Securities
    Guggenheim Securities is the investment banking and capital markets arm of Guggenheim Partners, providing advisory, financing, and related financial services to corporate and institutional clients.
  • D. Goldman
    Goldman is a surname most famously associated with Emma Goldman, the anarchist political activist and writer.
  • E. 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.
  • 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_69d6ab4964708190850585628b287b0c completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9151797988190b0d007ea806bcf02 completed April 10, 2026, 3:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f66d1b44819091f638d2a621ecde completed May 2, 2026, 1:04 p.m.
NEDg Description generation batch_69f600b51f488190a85a8f10f190b3c0 completed May 2, 2026, 1:48 p.m.
NED2 Entity disambiguation (via description) batch_69f601ebaa448190ba59485d9d7d68d1 completed May 2, 2026, 1:53 p.m.
Created at: April 8, 2026, 9:48 p.m.