Triple
T21319320
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | RER line D |
E525567
|
entity |
| Predicate | operatedWithRollingStock |
P5426
|
FINISHED |
| Object | Z 20500 |
—
|
NE NERFINISHED |
How this triple was built (4 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: Z 20500 | Statement: [RER line D, operatedWithRollingStock, Z 20500]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Z 20500 Context triple: [RER line D, operatedWithRollingStock, Z 20500]
-
A.
Z 22500
Z 22500 is a class of French double-deck electric multiple unit trains operated by SNCF, primarily used for suburban commuter services around Paris.
-
B.
5Z
5Z is the IATA airline designator assigned to CemAir, a South African regional and domestic carrier.
-
C.
Z 5600
Z 5600 is a class of French electric multiple unit trains used for suburban passenger services in the Paris region.
-
D.
Z 50000 (Francilien)
The Z 50000, known as the Francilien, is a modern electric multiple unit train used for suburban and regional passenger services in the Île-de-France region around Paris.
-
E.
Z/28
The Z/28 is a high-performance, track-focused variant of the Chevrolet Camaro known for its enhanced handling, braking, and power.
- 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: Z 20500 Target entity description: Z 20500 is a class of French double-deck electric multiple unit trains used for suburban commuter services, notably on the RER network around Paris.
-
A.
Z 22500
Z 22500 is a class of French double-deck electric multiple unit trains operated by SNCF, primarily used for suburban commuter services around Paris.
-
B.
5Z
5Z is the IATA airline designator assigned to CemAir, a South African regional and domestic carrier.
-
C.
Z 5600
Z 5600 is a class of French electric multiple unit trains used for suburban passenger services in the Paris region.
-
D.
Z 50000 (Francilien)
The Z 50000, known as the Francilien, is a modern electric multiple unit train used for suburban and regional passenger services in the Île-de-France region around Paris.
-
E.
Z/28
The Z/28 is a high-performance, track-focused variant of the Chevrolet Camaro known for its enhanced handling, braking, and power.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: operatedWithRollingStock Context triple: [RER line D, operatedWithRollingStock, Z 20500]
-
A.
operatedRollingStockClass
Indicates that an entity (such as a company or operator) has operated a specific class or type of rolling stock (e.g., trains or rail vehicles).
-
B.
usesRollingStock
chosen
Indicates that one entity employs or operates specific rolling stock (such as rail vehicles) in its activities or services.
-
C.
ownedRollingStock
Indicates that one entity possesses or has ownership rights over specific rolling stock (such as trains, railcars, or locomotives).
-
D.
formerRollingStock
Indicates that an entity was previously used as rolling stock (e.g., railway vehicles) but no longer serves in that capacity.
-
E.
usesRollingStockCompatibleWith
Indicates that one entity operates using rolling stock that is technically and operationally compatible with the rolling stock standards or systems associated with another entity.
- F. None of above.
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_69e0b51ad810819098c12392c8e55f6c |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e77ecf12248190bb4172ad7416775e |
completed | April 21, 2026, 1:42 p.m. |
| PD | Predicate disambiguation | batch_69e6161feea4819091d13bb003363279 |
completed | April 20, 2026, 12:03 p.m. |
Created at: April 16, 2026, 4:38 p.m.