Triple
T17427390
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Charleroi Metro |
E423773
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
BN light rail vehicles
BN light rail vehicles are a series of Belgian-built tram and light metro cars manufactured by La Brugeoise et Nivelles for use on systems such as the Charleroi Metro.
|
E1268093
|
NE FINISHED |
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: BN light rail vehicles | Statement: [Charleroi Metro, rollingStock, BN light rail vehicles]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BN light rail vehicles Context triple: [Charleroi Metro, rollingStock, BN light rail vehicles]
-
A.
RTA light rail vehicles
RTA light rail vehicles are electric passenger trains operated by Cleveland's Regional Transit Authority for its light rail services, including the Waterfront Line.
-
B.
Type 10 Light Rail Vehicle
The Type 10 Light Rail Vehicle is a next-generation, low-floor streetcar design planned to modernize and expand the MBTA Green Line fleet in Boston.
-
C.
SPRINTER light rail
SPRINTER light rail is a diesel multiple-unit light rail service in northern San Diego County, California, connecting Oceanside with inland cities such as Vista, San Marcos, and Escondido.
-
D.
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
-
E.
Muni Metro Breda LRV
The Muni Metro Breda LRV is a type of light rail vehicle used by San Francisco’s Muni Metro system for its modern streetcar and light rail services.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: BN light rail vehicles Triple: [Charleroi Metro, rollingStock, BN light rail vehicles]
Generated description
BN light rail vehicles are a series of Belgian-built tram and light metro cars manufactured by La Brugeoise et Nivelles for use on systems such as the Charleroi Metro.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: BN light rail vehicles Target entity description: BN light rail vehicles are a series of Belgian-built tram and light metro cars manufactured by La Brugeoise et Nivelles for use on systems such as the Charleroi Metro.
-
A.
RTA light rail vehicles
RTA light rail vehicles are electric passenger trains operated by Cleveland's Regional Transit Authority for its light rail services, including the Waterfront Line.
-
B.
Type 10 Light Rail Vehicle
The Type 10 Light Rail Vehicle is a next-generation, low-floor streetcar design planned to modernize and expand the MBTA Green Line fleet in Boston.
-
C.
SPRINTER light rail
SPRINTER light rail is a diesel multiple-unit light rail service in northern San Diego County, California, connecting Oceanside with inland cities such as Vista, San Marcos, and Escondido.
-
D.
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
-
E.
Muni Metro Breda LRV
The Muni Metro Breda LRV is a type of light rail vehicle used by San Francisco’s Muni Metro system for its modern streetcar and light rail services.
- F. None of above. chosen
Provenance (5 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_69d889d88b6081908bada047f5b3ba51 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e448fdc1348190985db52c8c74c394 |
completed | April 19, 2026, 3:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01a80848fc8190b70d3612001cb9c7 |
completed | May 11, 2026, 9:57 a.m. |
| NEDg | Description generation | batch_6a01aa1065d081909a6f486a9000b191 |
completed | May 11, 2026, 10:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01aa905d7c819090b27b0867c4c25d |
completed | May 11, 2026, 10:08 a.m. |
Created at: April 10, 2026, 5:46 a.m.