Triple
T12438665
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | killing of Oscar Grant |
E297212
|
entity |
| Predicate | hasPerpetrator |
P698
|
FINISHED |
| Object | Johannes Mehserle |
E983969
|
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: Johannes Mehserle | Statement: [killing of Oscar Grant, hasPerpetrator, Johannes Mehserle]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Johannes Mehserle Context triple: [killing of Oscar Grant, hasPerpetrator, Johannes Mehserle]
-
A.
Johannes Mehserle
chosen
Johannes Mehserle is a former Bay Area Rapid Transit (BART) police officer known for fatally shooting unarmed passenger Oscar Grant at an Oakland train station on New Year’s Day 2009, an incident that sparked widespread protests and national attention.
-
B.
Travon Potts
Travon Potts is an American songwriter and producer known for his work in R&B and pop music, contributing to songs for artists such as Monica and Christina Aguilera.
-
C.
Duane Martin
Duane Martin is an American actor and former basketball player best known for his roles in 1990s films and television series, often portraying charismatic, athletic characters.
-
D.
Oscar Grant
Oscar Grant was a young African American man whose 2009 killing by a transit police officer in Oakland, California, became a high-profile case highlighting issues of police brutality and racial injustice.
-
E.
Michael Brown
Michael Brown is an American actor better known professionally as Michael Ealy, recognized for his roles in films like "Barbershop" and "Think Like a Man" and the TV series "Almost Human."
- 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_69d6ada166c48190b902972cd2408fa3 |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94d8dc0f881908a3da736d8947ce1 |
completed | April 10, 2026, 7:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f64b9d34848190b02311ada2572440 |
completed | May 2, 2026, 7:08 p.m. |
Created at: April 8, 2026, 9:55 p.m.