Triple
T4434983
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Strangers on a Train |
E95626
|
entity |
| Predicate | castMember |
P1668
|
FINISHED |
| Object | Robert Walker |
E309376
|
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: Robert Walker | Statement: [Strangers on a Train, castMember, Robert Walker]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Robert Walker Context triple: [Strangers on a Train, castMember, Robert Walker]
-
A.
Robert Walker
chosen
Robert Walker was an American film actor best known for his sensitive, boyish roles in 1940s Hollywood dramas and thrillers, including his acclaimed performance in Alfred Hitchcock’s "Strangers on a Train."
-
B.
Neville Brand
Neville Brand was an American character actor known for his tough-guy roles in film and television, often portraying soldiers, criminals, and other rugged figures.
-
C.
Robert Parrish
Robert Parrish was an American film editor and director, as well as a former child actor, known for his work on several classic Hollywood films.
-
D.
Henry Gibson
Henry Gibson was an American character actor and comedian known for his work on the sketch comedy show "Rowan & Martin's Laugh-In" and in numerous film and television roles.
-
E.
John Gavin
John Gavin was an American film actor and diplomat best known for his leading roles in classic films of the late 1950s and early 1960s, including "Psycho" and "Imitation of 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_69b3453ea2b48190a26f154b3b8fece5 |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b35588e99881908fea7b71a33e2bb6 |
completed | March 13, 2026, 12:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b6375d0d8c819095a27cdc84af9faf |
completed | March 15, 2026, 4:36 a.m. |
Created at: March 12, 2026, 11:31 p.m.