Triple
T10574919
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Línia del Vallès (FGC urban sections) |
E249582
|
entity |
| Predicate | railwaySystem |
P522
|
FINISHED |
| Object |
FGC urban rail system
The FGC urban rail system is a commuter and metro-style rail network in and around Barcelona operated by Ferrocarrils de la Generalitat de Catalunya, providing high-frequency urban and suburban passenger services.
|
E871732
|
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: FGC urban rail system | Statement: [Línia del Vallès (FGC urban sections), railwaySystem, FGC urban rail system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: FGC urban rail system Context triple: [Línia del Vallès (FGC urban sections), railwaySystem, FGC urban rail system]
-
A.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
B.
PATH rapid transit system
The PATH rapid transit system is a commuter rail network linking Manhattan in New York City with neighboring cities in northern New Jersey.
-
C.
Randstad regional rail network
The Randstad regional rail network is a Dutch commuter and regional rail system serving the densely populated Randstad metropolitan area, connecting major cities such as Amsterdam, Rotterdam, The Hague, and Utrecht with surrounding towns.
-
D.
ExpressRail system
The ExpressRail system is a dedicated on-dock rail network at the Port of New York and New Jersey that moves containerized cargo efficiently between marine terminals and inland destinations.
-
E.
SacRT Light Rail
SacRT Light Rail is the electric light rail transit system serving Sacramento, California and its surrounding communities.
- 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: FGC urban rail system Triple: [Línia del Vallès (FGC urban sections), railwaySystem, FGC urban rail system]
Generated description
The FGC urban rail system is a commuter and metro-style rail network in and around Barcelona operated by Ferrocarrils de la Generalitat de Catalunya, providing high-frequency urban and suburban passenger services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: FGC urban rail system Target entity description: The FGC urban rail system is a commuter and metro-style rail network in and around Barcelona operated by Ferrocarrils de la Generalitat de Catalunya, providing high-frequency urban and suburban passenger services.
-
A.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
B.
PATH rapid transit system
The PATH rapid transit system is a commuter rail network linking Manhattan in New York City with neighboring cities in northern New Jersey.
-
C.
Randstad regional rail network
The Randstad regional rail network is a Dutch commuter and regional rail system serving the densely populated Randstad metropolitan area, connecting major cities such as Amsterdam, Rotterdam, The Hague, and Utrecht with surrounding towns.
-
D.
ExpressRail system
The ExpressRail system is a dedicated on-dock rail network at the Port of New York and New Jersey that moves containerized cargo efficiently between marine terminals and inland destinations.
-
E.
SacRT Light Rail
SacRT Light Rail is the electric light rail transit system serving Sacramento, California and its surrounding communities.
- 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_69d381c8bd708190acf3d275c908251e |
completed | April 6, 2026, 9:50 a.m. |
| NER | Named-entity recognition | batch_69d52749dda08190b0c9627a931c5848 |
completed | April 7, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d94b5d89748190bb398943e4a16e9b |
completed | April 10, 2026, 7:11 p.m. |
| NEDg | Description generation | batch_69d94e1502108190a81bfa1d5a425e5a |
completed | April 10, 2026, 7:23 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d94f0bb6888190b4038df6dcd96d33 |
completed | April 10, 2026, 7:27 p.m. |
Created at: April 6, 2026, 12:38 p.m.