Triple
T12091027
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mayer Lehman |
E287939
|
entity |
| Predicate | associatedWith |
P37
|
FINISHED |
| Object | Lehman Brothers investment bank |
E309477
|
NE FINISHED |
How this triple was built (2 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 Brothers investment bank | Statement: [Mayer Lehman, associatedWith, Lehman Brothers investment bank]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lehman Brothers investment bank Context triple: [Mayer Lehman, associatedWith, Lehman Brothers investment bank]
-
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.
Paulson & Co.
Paulson & Co. is a New York-based hedge fund firm best known for its highly profitable bets against the U.S. subprime mortgage market during the 2007–2008 financial crisis.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69f61e42cd588190835b3e8160bdbba5 |
completed | May 2, 2026, 3:54 p.m. |
Created at: April 8, 2026, 9:48 p.m.