Triple
T8599569
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrolink (Southern California) |
E203639
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object | San Bernardino Line |
E177919
|
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: San Bernardino Line | Statement: [Metrolink (Southern California), hasLine, San Bernardino Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Bernardino Line Context triple: [Metrolink (Southern California), hasLine, San Bernardino Line]
-
A.
Los Angeles–San Diego rail corridor
The Los Angeles–San Diego rail corridor is a major Southern California passenger and freight rail route running along the coast between the Los Angeles and San Diego metropolitan areas.
-
B.
BNSF San Bernardino Subdivision
The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.
-
C.
Los Angeles–Long Beach light rail corridor
The Los Angeles–Long Beach light rail corridor is a major urban transit route in Southern California that connects downtown Los Angeles with the city of Long Beach via light rail service.
-
D.
Culver Line
The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
-
E.
Metrolink San Bernardino Line
chosen
The Metrolink San Bernardino Line is a Southern California commuter rail route connecting San Bernardino and surrounding Inland Empire communities with downtown Los Angeles.
- 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_69ca832b56948190ba751cec255308f1 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cc46d7c184819083236c75f9ccc9cf |
completed | March 31, 2026, 10:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cef33f0aa0819091e101f822c53c0f |
completed | April 2, 2026, 10:52 p.m. |
Created at: March 30, 2026, 6:24 p.m.