Triple
T17152034
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Santa Fe Depot (San Diego) |
E416243
|
entity |
| Predicate | isTerminusOf |
P388
|
FINISHED |
| Object | COASTER commuter rail line |
E188296
|
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: COASTER commuter rail line | Statement: [Santa Fe Depot (San Diego), isTerminusOf, COASTER commuter rail line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: COASTER commuter rail line Context triple: [Santa Fe Depot (San Diego), isTerminusOf, COASTER commuter rail line]
-
A.
COASTER commuter rail
chosen
COASTER commuter rail is a regional passenger train service in San Diego County, California, connecting coastal communities between Oceanside and downtown San Diego.
-
B.
Sounder commuter rail
Sounder commuter rail is a regional passenger train service in the Seattle area that connects downtown Seattle with surrounding communities in Pierce and Snohomish counties.
-
C.
Mitre Line commuter rail
The Mitre Line commuter rail is a major suburban railway service in Buenos Aires that connects the city with several northern metropolitan areas.
-
D.
B Line commuter rail
The B Line commuter rail is a regional passenger train service that operates along a designated corridor, providing transit connections between suburban areas and central destinations.
-
E.
G Line commuter rail
The G Line commuter rail is a Regional Transportation District (RTD) rail line in the Denver metropolitan area that connects Union Station in downtown Denver with western suburbs including Arvada and Wheat Ridge.
- 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_69d886d279c081909f8ff1f743ddeb69 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3f40861e08190bad1a3ec87691132 |
completed | April 18, 2026, 9:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0148337a348190b8739eb3f553f1d9 |
completed | May 11, 2026, 3:08 a.m. |
Created at: April 10, 2026, 5:36 a.m.