Triple
T17389181
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Covina, California |
E422769
|
entity |
| Predicate | hasFacility |
P105
|
FINISHED |
| Object | Covina Metrolink station |
—
|
NE NERFINISHED |
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: Covina Metrolink station | Statement: [Covina, California, hasFacility, Covina Metrolink station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Covina Metrolink station Context triple: [Covina, California, hasFacility, Covina Metrolink station]
-
A.
Covina station
chosen
Covina station is a commuter rail stop in Covina, California, serving passengers on Metrolink’s San Bernardino Line in the Greater Los Angeles area.
-
B.
Metrolink San Bernardino Line station
Metrolink San Bernardino Line station is a commuter rail stop in Upland, California, serving passengers traveling between the Inland Empire and Los Angeles.
-
C.
Metrolink San Bernardino Line station
The Metrolink San Bernardino Line station in Claremont, California is a commuter rail stop serving passengers traveling between the Inland Empire and downtown Los Angeles.
-
D.
Metrolink San Bernardino Line station
The Metrolink San Bernardino Line station in Pomona is a commuter rail stop in Southern California that connects the city to Los Angeles and other Inland Empire destinations along Metrolink’s San Bernardino Line.
-
E.
Metrolink San Bernardino Line station
The Metrolink San Bernardino Line station in the City of Industry is a commuter rail stop in Los Angeles County that serves as a key park-and-ride hub for regional travelers between the Inland Empire and downtown Los Angeles.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d889d710288190bf0f4762801fefae |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43a8c718c81909cb20749aaf12897 |
completed | April 19, 2026, 2:14 a.m. |
Created at: April 10, 2026, 5:45 a.m.