Triple
T14303443
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Leon Levy |
E354627
|
entity |
| Predicate | coFounded |
P104
|
FINISHED |
| Object |
Oppenheimer & Co.
Oppenheimer & Co. is a U.S.-based investment bank and financial services firm known for its brokerage, wealth management, and capital markets activities.
|
E1091624
|
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: Oppenheimer & Co. | Statement: [Leon Levy, coFounded, Oppenheimer & Co.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Oppenheimer & Co. Context triple: [Leon Levy, coFounded, Oppenheimer & Co.]
-
A.
Cantor Fitzgerald
Cantor Fitzgerald is a New York–based financial services firm and brokerage known for its bond trading operations and for suffering devastating losses in the September 11, 2001 attacks.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Kuhn, Loeb & Co.
Kuhn, Loeb & Co. was a prominent New York investment bank of the late 19th and early 20th centuries, influential in U.S. railroad finance and the development of modern American banking.
- 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: Oppenheimer & Co. Triple: [Leon Levy, coFounded, Oppenheimer & Co.]
Generated description
Oppenheimer & Co. is a U.S.-based investment bank and financial services firm known for its brokerage, wealth management, and capital markets activities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Oppenheimer & Co. Target entity description: Oppenheimer & Co. is a U.S.-based investment bank and financial services firm known for its brokerage, wealth management, and capital markets activities.
-
A.
Cantor Fitzgerald
Cantor Fitzgerald is a New York–based financial services firm and brokerage known for its bond trading operations and for suffering devastating losses in the September 11, 2001 attacks.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Kuhn, Loeb & Co.
Kuhn, Loeb & Co. was a prominent New York investment bank of the late 19th and early 20th centuries, influential in U.S. railroad finance and the development of modern American banking.
- 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_69d8278e17088190b328c5a9d4be74ff |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de717fc2348190bb6ba3109bd2871f |
completed | April 14, 2026, 4:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd3d2a56a4819095b5c2164b1ad9fb |
completed | May 8, 2026, 1:32 a.m. |
| NEDg | Description generation | batch_69fd3edf42788190b50b1144a7de41df |
completed | May 8, 2026, 1:39 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd3fbd931081908ba0b1838d9be49c |
completed | May 8, 2026, 1:43 a.m. |
Created at: April 10, 2026, 1:12 a.m.