Triple
T8801906
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Riverside Line |
E209428
|
entity |
| Predicate | brand |
P1500
|
FINISHED |
| Object | Metrolink Riverside Line |
E763454
|
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: Metrolink Riverside Line | Statement: [Riverside Line, brand, Metrolink Riverside Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metrolink Riverside Line Context triple: [Riverside Line, brand, Metrolink Riverside Line]
-
A.
Metrolink Riverside Line
chosen
The Metrolink Riverside Line is a Southern California commuter rail route that links Riverside County with downtown Los Angeles, serving intermediate communities along the corridor.
-
B.
Metrolink San Bernardino Line
The Metrolink San Bernardino Line is a Southern California commuter rail route connecting San Bernardino and surrounding Inland Empire communities with downtown Los Angeles.
-
C.
Metrolink 91/Perris Valley Line
Metrolink 91/Perris Valley Line is a Southern California commuter rail route connecting Los Angeles with Riverside and the Perris Valley, providing regional passenger service through the Inland Empire.
-
D.
Metrolink Inland Empire–Orange County Line
The Metrolink Inland Empire–Orange County Line is a Southern California commuter rail route connecting cities in the Inland Empire with destinations in Orange County and beyond.
-
E.
Metrolink Antelope Valley Line
The Metrolink Antelope Valley Line is a Southern California commuter rail route that connects Los Angeles with communities in the Antelope Valley, including Lancaster and Palmdale.
- 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_69ca836320e48190b5cf585b90a322c4 |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc5fb9c5c88190881b069e1face10c |
completed | March 31, 2026, 11:58 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d04729c39c8190a88a28288653399b |
completed | April 3, 2026, 11:03 p.m. |
Created at: March 30, 2026, 6:44 p.m.