Triple
T3310956
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mehcad Brooks |
E69568
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | Alcatraz |
E2792
|
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: Alcatraz | Statement: [Mehcad Brooks, notableWork, Alcatraz]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alcatraz Context triple: [Mehcad Brooks, notableWork, Alcatraz]
-
A.
Alcatraz Island
chosen
Alcatraz Island is a small rocky island in San Francisco Bay best known for its former maximum-security federal prison, which once held some of America’s most notorious criminals and is now a popular historic site and tourist attraction.
-
B.
Alcatraz Island ferry terminal
The Alcatraz Island ferry terminal is the waterfront departure point in San Francisco where visitors board boats to reach the historic Alcatraz prison island in San Francisco Bay.
-
C.
San Quentin State Prison
San Quentin State Prison is California’s oldest and most notorious maximum-security prison, located on the shores of San Francisco Bay and known for housing the state’s death row for male inmates.
-
D.
Blackwell's Island
Blackwell's Island, now known as Roosevelt Island, is a narrow island in New York City's East River historically associated with hospitals, asylums, and prisons.
-
E.
Alcatraz Island Lighthouse
Alcatraz Island Lighthouse is a historic beacon on Alcatraz Island in San Francisco Bay, notable as the first lighthouse built on the U.S. West Coast and a key aid to navigation for ships entering the bay.
- 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_69ad859f218081909458d2cebbf57565 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb0ec80508190baa78435b983b7b5 |
completed | March 8, 2026, 5:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b31a73c1c8819082e522221a8b2a54 |
completed | March 12, 2026, 7:56 p.m. |
Created at: March 8, 2026, 3:11 p.m.