Triple
T17923461
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Flash Boys |
E448131
|
entity |
| Predicate | featuresCharacter |
P626
|
FINISHED |
| Object | Brad Katsuyama |
—
|
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: Brad Katsuyama | Statement: [Flash Boys, featuresCharacter, Brad Katsuyama]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brad Katsuyama Context triple: [Flash Boys, featuresCharacter, Brad Katsuyama]
-
A.
Matt Sazama
Matt Sazama is an American screenwriter and producer known for co-writing genre films such as "Gods of Egypt," "Dracula Untold," and "Morbius," as well as co-creating Netflix's "Lost in Space" reboot.
-
B.
Joe Higashi
Joe Higashi is a Muay Thai kickboxer and energetic fighter from SNK’s Fatal Fury and The King of Fighters series, known for his flashy techniques and comedic personality.
-
C.
Doug Kobayashi
Doug Kobayashi is a Canadian municipal politician serving as the mayor of Colwood, a city in British Columbia.
-
D.
James Saito
James Saito is an American actor known for his character roles in film and television, including appearances in series like "Eli Stone" and movies such as the original "Teenage Mutant Ninja Turtles."
-
E.
Paul Katami
Paul Katami is an American LGBT rights activist best known as one of the lead plaintiffs in the landmark federal court challenge to California’s Proposition 8 same-sex marriage ban.
- 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: Brad Katsuyama Target entity description: Brad Katsuyama is a Canadian financial executive best known as the central figure in Michael Lewis's book "Flash Boys" for exposing high-frequency trading abuses and co-founding the IEX stock exchange.
-
A.
Matt Sazama
Matt Sazama is an American screenwriter and producer known for co-writing genre films such as "Gods of Egypt," "Dracula Untold," and "Morbius," as well as co-creating Netflix's "Lost in Space" reboot.
-
B.
Joe Higashi
Joe Higashi is a Muay Thai kickboxer and energetic fighter from SNK’s Fatal Fury and The King of Fighters series, known for his flashy techniques and comedic personality.
-
C.
Doug Kobayashi
Doug Kobayashi is a Canadian municipal politician serving as the mayor of Colwood, a city in British Columbia.
-
D.
James Saito
James Saito is an American actor known for his character roles in film and television, including appearances in series like "Eli Stone" and movies such as the original "Teenage Mutant Ninja Turtles."
-
E.
Paul Katami
Paul Katami is an American LGBT rights activist best known as one of the lead plaintiffs in the landmark federal court challenge to California’s Proposition 8 same-sex marriage ban.
- 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_69d8b9f6d394819082a6d69fd1e23d2f |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e4a30bde508190bc529ccae81f0e2a |
completed | April 19, 2026, 9:40 a.m. |
Created at: April 10, 2026, 10:20 a.m.