Triple
T21713689
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyu ATS |
E535967
|
entity |
| Predicate | acronymFor |
P590
|
FINISHED |
| Object | Tokyu Automatic Train Stop |
—
|
NE NERFINISHED |
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: Tokyu Automatic Train Stop | Statement: [Tokyu ATS, acronymFor, Tokyu Automatic Train Stop]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyu Automatic Train Stop Context triple: [Tokyu ATS, acronymFor, Tokyu Automatic Train Stop]
-
A.
Tokyo Metro CS-ATC
Tokyo Metro CS-ATC is a cab signaling-based automatic train control system used on Tokyo Metro and interconnected lines to ensure safe train operation through continuous speed supervision and automatic braking.
-
B.
Tokyu ATS
chosen
Tokyu ATS is an automatic train stop safety system used on Tokyu Corporation and compatible railway lines to prevent trains from passing signals at danger and to enhance operational safety.
-
C.
Kintetsu ATS
Kintetsu ATS is an automatic train protection system used by Kintetsu Railway in Japan to enhance operational safety by enforcing speed limits and signal compliance.
-
D.
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.
-
E.
New Technology Train
The New Technology Train is a modern generation of New York City Subway rolling stock featuring advanced propulsion, improved passenger information systems, and enhanced safety and comfort compared to older car classes.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0c46c6dd88190a595375fa6ebd701 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69efb5369be88190bafc10863d4d1bd7 |
completed | April 27, 2026, 7:12 p.m. |
Created at: April 16, 2026, 6:47 p.m.