Triple
T4181110
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrolink at Union Station |
E88195
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object | 91/Perris Valley Line |
E118000
|
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: 91/Perris Valley Line | Statement: [Metrolink at Union Station, servedByLine, 91/Perris Valley Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 91/Perris Valley Line Context triple: [Metrolink at Union Station, servedByLine, 91/Perris Valley Line]
-
A.
Metrolink 91/Perris Valley Line
chosen
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.
-
B.
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.
-
C.
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.
-
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 Ventura County Line
Metrolink Ventura County Line is a Southern California commuter rail route connecting Los Angeles with Ventura County communities, including Oxnard.
- 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_69aed9477e8c81908bcb862d2db55b1d |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af0304702c8190899cbb0e3e41b987 |
completed | March 9, 2026, 5:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5a84713f88190a051b7d94b89d585 |
completed | March 14, 2026, 6:26 p.m. |
Created at: March 9, 2026, 3:45 p.m.