Triple
T19720614
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (METRORail) |
E473596
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | Siemens S70 light rail vehicles |
—
|
NE NERFINISHED |
How this triple was built (3 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 S70 light rail vehicles | Statement: [Green Line (METRORail), usesRollingStock, Siemens S70 light rail vehicles]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Siemens S70 light rail vehicles Context triple: [Green Line (METRORail), usesRollingStock, Siemens S70 light rail vehicles]
-
A.
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.
-
B.
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.
-
C.
Siemens SD160 LRVs
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.
-
D.
Siemens–Duewag Supertram vehicles
Siemens–Duewag Supertram vehicles are a fleet of modern light rail trams built by Siemens and Duewag, used to operate the Sheffield Supertram network in South Yorkshire, England.
-
E.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Siemens S70 light rail vehicles Target entity description: The Siemens S70 light rail vehicles are modern low-floor electric trams widely used in North American light rail systems for urban passenger transit.
-
A.
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.
-
B.
Siemens S700 light rail vehicles
chosen
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.
-
C.
Siemens SD160 LRVs
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.
-
D.
Siemens–Duewag Supertram vehicles
Siemens–Duewag Supertram vehicles are a fleet of modern light rail trams built by Siemens and Duewag, used to operate the Sheffield Supertram network in South Yorkshire, England.
-
E.
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.
- F. None of above.
Provenance (2 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_69d8e516dd048190a0b6c93ea3e71f58 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e649f483c481908c6b3114bf9c5934 |
completed | April 20, 2026, 3:44 p.m. |
Created at: April 10, 2026, 1:46 p.m.