Triple
T23255602
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Virtu Financial |
E581859
|
entity |
| Predicate | hasKeyPerson |
P256
|
FINISHED |
| Object | Robert Greifeld |
—
|
NE NERFINISHED |
How this triple was built (3 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: Robert Greifeld | Statement: [Virtu Financial, hasKeyPerson, Robert Greifeld]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Robert Greifeld Context triple: [Virtu Financial, hasKeyPerson, Robert Greifeld]
-
A.
Jonathan Steinberg
Jonathan Steinberg is an American finance executive and founder-CEO of the investment management firm WisdomTree, known also as the husband of television journalist Maria Bartiromo.
-
B.
Bennett Zurofsky
Bennett Zurofsky is an American labor and civil rights attorney known for his work on behalf of unions, activists, and progressive causes.
-
C.
Erich Heller
Erich Heller was a German-born British essayist and literary critic known for his influential writings on modern European literature and philosophy, particularly figures like Nietzsche, Kafka, and Rilke.
-
D.
Robert Engelman
Robert Engelman is a film producer known for his work on major Hollywood genre films, including action, science fiction, and fantasy projects.
-
E.
Jonathan E. Steinberg
Jonathan E. Steinberg is an American television writer and producer known for developing and showrunning series such as Human Target and Black Sails.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Robert Greifeld Target entity description: Robert Greifeld is an American business executive best known for his long tenure as CEO of Nasdaq and later leadership roles in the financial technology and trading industry.
-
A.
Jonathan Steinberg
Jonathan Steinberg is an American finance executive and founder-CEO of the investment management firm WisdomTree, known also as the husband of television journalist Maria Bartiromo.
-
B.
Bennett Zurofsky
Bennett Zurofsky is an American labor and civil rights attorney known for his work on behalf of unions, activists, and progressive causes.
-
C.
Erich Heller
Erich Heller was a German-born British essayist and literary critic known for his influential writings on modern European literature and philosophy, particularly figures like Nietzsche, Kafka, and Rilke.
-
D.
Robert Engelman
Robert Engelman is a film producer known for his work on major Hollywood genre films, including action, science fiction, and fantasy projects.
-
E.
Jonathan E. Steinberg
Jonathan E. Steinberg is an American television writer and producer known for developing and showrunning series such as Human Target and Black Sails.
- F. None of above. chosen
Provenance (2 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_69e246079f58819085eaa9c260906880 |
completed | April 17, 2026, 2:39 p.m. |
| NER | Named-entity recognition | batch_69f193fadac881908579b5729718ee41 |
completed | April 29, 2026, 5:15 a.m. |
Created at: April 17, 2026, 4:11 p.m.