Triple
T8876213
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (SEPTA) |
E211290
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object | Kawasaki LRVs |
E190121
|
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: Kawasaki LRVs | Statement: [Green Line (SEPTA), hasRollingStock, Kawasaki LRVs]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kawasaki LRVs Context triple: [Green Line (SEPTA), hasRollingStock, Kawasaki LRVs]
-
A.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
B.
Kawasaki multiple units
chosen
Kawasaki multiple units are electric multiple-unit train sets manufactured by Kawasaki Heavy Industries for use in various urban and commuter rail systems worldwide.
-
C.
Kawasaki bi-level coach
The Kawasaki bi-level coach is a double-decker commuter rail passenger car built by Kawasaki Heavy Industries and widely used on systems such as the MBTA Commuter Rail to increase capacity.
-
D.
Breda LRV2
Breda LRV2 is a type of light rail vehicle built by the Italian manufacturer Breda, used in urban tram and light rail systems such as San Francisco’s Muni Metro.
-
E.
Hitachi A-Train
The Hitachi A-Train is a modular family of lightweight, aluminum-bodied electric and diesel-electric multiple units designed by Hitachi for high-speed and commuter rail services worldwide.
- 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_69ca838e78748190934d82db3104f855 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc61472cc081909e51b4a35a20ef43 |
completed | April 1, 2026, 12:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfaba6f2f481909a30f71e96bc9079 |
completed | April 3, 2026, 11:59 a.m. |
Created at: March 30, 2026, 6:52 p.m.