Triple
T12934754
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lehman Brothers |
E309477
|
entity |
| Predicate | foundedBy |
P104
|
FINISHED |
| Object | Mayer Lehman |
E287939
|
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: Mayer Lehman | Statement: [Lehman Brothers, foundedBy, Mayer Lehman]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mayer Lehman Context triple: [Lehman Brothers, foundedBy, Mayer Lehman]
-
A.
Mayer Lehman
chosen
Mayer Lehman was a 19th-century German-born American banker and co-founder of the Lehman Brothers investment firm, and the patriarch of the prominent Lehman family.
-
B.
Henry Lehman
Henry Lehman was a 19th-century German-American businessman who co-founded the financial firm that evolved into the global investment bank Lehman Brothers.
-
C.
E. F. Hutton
E. F. Hutton was a prominent American financier and founder of the influential brokerage firm E.F. Hutton & Co., known for its major role on Wall Street in the mid-20th century.
-
D.
Absalom Lehman
Absalom Lehman was a 19th-century rancher and explorer best known for discovering the limestone caverns now preserved as Lehman Caves in Nevada’s Great Basin National Park.
-
E.
Jacob H. Schiff
Jacob H. Schiff was a prominent German-born American Jewish banker and philanthropist, best known as a leading partner at Kuhn, Loeb & Co. and an influential figure in late 19th- and early 20th-century finance and Jewish communal life.
- 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_69d7bdfa933c8190b5a27aa4a08a19b7 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d97dc6517481908637781da240b51f |
completed | April 10, 2026, 10:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6b8d788b88190b161a41f85594fb8 |
completed | May 3, 2026, 2:54 a.m. |
Created at: April 9, 2026, 5:42 p.m.