Triple
T17119045
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Siemens SD160 |
E415415
|
entity |
| Predicate | productLine |
P3585
|
FINISHED |
| Object | Siemens SD-series LRVs |
E415415
|
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: Siemens SD-series LRVs | Statement: [Siemens SD160, productLine, Siemens SD-series LRVs]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Siemens SD-series LRVs Context triple: [Siemens SD160, productLine, Siemens SD-series LRVs]
-
A.
Siemens SD160 LRVs
chosen
The Siemens SD160 LRVs are a series of modern, high-floor light rail vehicles widely used across North American transit systems for urban passenger service.
-
B.
Siemens U2 LRVs
Siemens U2 LRVs are a series of high-floor light rail vehicles built by Siemens for urban transit systems, widely used in early North American and European light rail networks.
-
C.
Siemens P2000 light rail vehicles
Siemens P2000 light rail vehicles are a fleet of electric light rail cars built by Siemens for use on Los Angeles Metro Rail lines.
-
D.
Siemens S700 light rail vehicles
Siemens S700 light rail vehicles are modern low-floor light rail cars designed by Siemens Mobility for urban transit systems, featuring improved accessibility, energy efficiency, and passenger comfort.
-
E.
Siemens S200 (Muni LRV4)
The Siemens S200 (Muni LRV4) is a modern low-floor light rail vehicle used by San Francisco’s Muni Metro system for improved reliability, accessibility, and passenger comfort.
- 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_69d886d090cc8190a39cb94992586905 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3e8086a388190a655a044feccab14 |
completed | April 18, 2026, 8:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a013a0e11108190bfcf858142aa9ff3 |
completed | May 11, 2026, 2:08 a.m. |
Created at: April 10, 2026, 5:35 a.m.