Triple
T8826885
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Paris–Caen–Cherbourg |
E210036
|
entity |
| Predicate | primaryRollingStock |
P1305
|
FINISHED |
| Object | BB 15000 locomotives |
E220167
|
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: BB 15000 locomotives | Statement: [Paris–Caen–Cherbourg, primaryRollingStock, BB 15000 locomotives]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BB 15000 locomotives Context triple: [Paris–Caen–Cherbourg, primaryRollingStock, BB 15000 locomotives]
-
A.
BB 15000 locomotives
chosen
The BB 15000 locomotives are a class of French electric locomotives built for SNCF, renowned for their reliability and long service on mainline passenger routes.
-
B.
BB 26000 locomotives
The BB 26000 locomotives, also known as the "Sybic" class, are powerful French dual-voltage electric locomotives used for both passenger and freight services across the SNCF network.
-
C.
BB 7200 locomotives
The BB 7200 locomotives are a class of French electric locomotives built for SNCF in the late 1970s and 1980s, widely used for both passenger and freight services on the 1.5 kV DC network.
-
D.
BB 22200 locomotives
The BB 22200 locomotives are a class of French dual-voltage electric locomotives widely used for both passenger and freight services across the national rail network.
-
E.
ACS-64 locomotives
ACS-64 locomotives are modern electric locomotives built by Siemens for Amtrak, designed for high-speed passenger service on the electrified portions of the U.S. Northeast Corridor.
- 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_69ca8365b28081909e48e45e95dfc405 |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc6034e8dc819099116d772e87569a |
completed | April 1, 2026, midnight |
| NED1 | Entity disambiguation (via context triple) | batch_69cf895a766c81908f41e369afb05023 |
completed | April 3, 2026, 9:33 a.m. |
Created at: March 30, 2026, 6:46 p.m.