Triple
T13991873
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PA5 railcar |
E336597
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Kawasaki Rail Car Inc. |
E561695
|
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 Rail Car Inc. | Statement: [PA5 railcar, manufacturer, Kawasaki Rail Car Inc.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kawasaki Rail Car Inc. Context triple: [PA5 railcar, manufacturer, Kawasaki Rail Car Inc.]
-
A.
Kawasaki Rail Car, Inc.
chosen
Kawasaki Rail Car, Inc. is a U.S.-based subsidiary of Kawasaki Heavy Industries that designs and manufactures passenger rail vehicles for transit systems across North America.
-
B.
Nippon Sharyo
Nippon Sharyo is a Japanese rolling stock manufacturer known for producing railway vehicles for domestic operators and international markets.
-
C.
Kinki Sharyo
Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
-
D.
JR Rotem
JR Rotem is a South African-born American record producer known for crafting pop and hip-hop hits for major artists in the 2000s and 2010s.
-
E.
Sanyo Electric Railway
Sanyo Electric Railway is a Japanese private railway company operating commuter rail services primarily in Hyōgo Prefecture, including routes that interconnect with other major regional rail networks.
- 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_69d81c639e808190a0e4b4f3d31c6a59 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2eb3b5d881909f15a1e08bb202f3 |
completed | April 14, 2026, 12:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fbac98ca448190b585ef69a4e4bfca |
completed | May 6, 2026, 9:03 p.m. |
Created at: April 9, 2026, 10:19 p.m.