Triple
T17120809
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | John Anglin |
E415458
|
entity |
| Predicate | knownFor |
P22
|
FINISHED |
| Object | 1962 Alcatraz escape |
E695428
|
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: 1962 Alcatraz escape | Statement: [John Anglin, knownFor, 1962 Alcatraz escape]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 1962 Alcatraz escape Context triple: [John Anglin, knownFor, 1962 Alcatraz escape]
-
A.
1962 Alcatraz escape
chosen
The 1962 Alcatraz escape was a famous prison break from the supposedly inescapable Alcatraz Federal Penitentiary, in which three inmates vanished and sparked decades of speculation about their fate.
-
B.
Alcatraz hostage crisis
The Alcatraz hostage crisis was a violent 1946 escape attempt at the Alcatraz Federal Penitentiary that escalated into a multi-day standoff, resulting in multiple deaths and becoming one of the prison’s most infamous incidents.
-
C.
Biddle brothers prison escape
The Biddle brothers prison escape was a sensational 1902 jailbreak in Pittsburgh, Pennsylvania, in which two convicted murderers were aided by the warden’s wife, inspiring later books and films.
-
D.
Occupation of Alcatraz
The Occupation of Alcatraz was a 19-month Native American protest (1969–1971) in which activists seized Alcatraz Island to demand recognition of Indigenous rights and treaty obligations, becoming a catalyst for the modern Native American civil rights movement.
-
E.
Birdman of Alcatraz
Birdman of Alcatraz is the infamous nickname of Robert Stroud, a convicted murderer who became renowned for his extensive study and care of birds while incarcerated.
- 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_69d886d090cc8190a39cb94992586905 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3e809ee888190a2cf69d59c0b9c20 |
completed | April 18, 2026, 8:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a013a1062fc8190b1c4e97f42cf3faa |
completed | May 11, 2026, 2:08 a.m. |
Created at: April 10, 2026, 5:36 a.m.