Triple
T13209196
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro Rapid |
E314443
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Los Angeles County Metropolitan Transportation Authority |
E2263
|
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: Los Angeles County Metropolitan Transportation Authority | Statement: [Metro Rapid, operator, Los Angeles County Metropolitan Transportation Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Los Angeles County Metropolitan Transportation Authority Context triple: [Metro Rapid, operator, Los Angeles County Metropolitan Transportation Authority]
-
A.
Los Angeles County Metropolitan Transportation Authority
chosen
The Los Angeles County Metropolitan Transportation Authority is the primary public transit agency for Los Angeles County, operating and overseeing the region’s bus and rail systems.
-
B.
Los Angeles Department of Transportation
The Los Angeles Department of Transportation is the city agency responsible for managing and regulating transportation systems, traffic operations, and mobility services within Los Angeles.
-
C.
Alameda Corridor Transportation Authority
The Alameda Corridor Transportation Authority is a public agency that developed and manages the Alameda Corridor freight rail expressway linking the Ports of Los Angeles and Long Beach to the national rail network.
-
D.
Santa Barbara Metropolitan Transit District
The Santa Barbara Metropolitan Transit District is the primary public bus agency serving Santa Barbara and surrounding communities in California’s South Coast region.
-
E.
Santa Clara Valley Transportation Authority
The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
- 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_69d806aee7308190b70a237ba2a6e3e1 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98c9e072c8190b66e2c2430628ed0 |
completed | April 10, 2026, 11:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6f611b11c8190b9f89313eb2b5fab |
completed | May 3, 2026, 7:15 a.m. |
Created at: April 9, 2026, 9:17 p.m.