Triple

T21034283
Position Surface form Disambiguated ID Type / Status
Subject Nantes–Châteaubriant railway E518146 entity
Predicate primaryStation P394 FINISHED
Object Châteaubriant station
Châteaubriant station is a French railway station in the town of Châteaubriant that serves as a regional transport hub in western France.
 E1467474 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: Châteaubriant station | Statement: [Nantes–Châteaubriant railway, primaryStation, Châteaubriant station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Châteaubriant station
Context triple: [Nantes–Châteaubriant railway, primaryStation, Châteaubriant station]
  • A. Vitré station
    Vitré station is a key regional railway station in the town of Vitré in Brittany, France, serving as an important stop for passenger services between Paris and western France.
  • B. Saint-Étienne-Châteaucreux station
    Saint-Étienne-Châteaucreux station is the main railway station in Saint-Étienne, France, serving as a regional hub for passenger trains connecting the city with Lyon and other destinations.
  • C. Bar-sur-Aube station
    Bar-sur-Aube station is a regional railway station in the commune of Bar-sur-Aube in northeastern France, serving local and regional passenger rail services.
  • D. Bordeaux-Saint-Jean station
    Bordeaux-Saint-Jean station is the main railway hub of Bordeaux in southwestern France, serving as a major high-speed and regional train interchange on the national rail network.
  • E. Vannes railway station
    Vannes railway station is the main passenger rail hub serving the city of Vannes in Brittany, France, providing regional and long-distance train connections.
  • 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: Châteaubriant station
Triple: [Nantes–Châteaubriant railway, primaryStation, Châteaubriant station]
Generated description
Châteaubriant station is a French railway station in the town of Châteaubriant that serves as a regional transport hub in western France.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Châteaubriant station
Target entity description: Châteaubriant station is a French railway station in the town of Châteaubriant that serves as a regional transport hub in western France.
  • A. Vitré station
    Vitré station is a key regional railway station in the town of Vitré in Brittany, France, serving as an important stop for passenger services between Paris and western France.
  • B. Saint-Étienne-Châteaucreux station
    Saint-Étienne-Châteaucreux station is the main railway station in Saint-Étienne, France, serving as a regional hub for passenger trains connecting the city with Lyon and other destinations.
  • C. Bar-sur-Aube station
    Bar-sur-Aube station is a regional railway station in the commune of Bar-sur-Aube in northeastern France, serving local and regional passenger rail services.
  • D. Bordeaux-Saint-Jean station
    Bordeaux-Saint-Jean station is the main railway hub of Bordeaux in southwestern France, serving as a major high-speed and regional train interchange on the national rail network.
  • E. Vannes railway station
    Vannes railway station is the main passenger rail hub serving the city of Vannes in Brittany, France, providing regional and long-distance train connections.
  • 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_69e0b503275c8190afd9a163f997c709 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e6fc84b4ac8190bcee5fbba730b499 completed April 21, 2026, 4:26 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0965d34b44819082edbb8f38cba488 completed May 17, 2026, 6:53 a.m.
NEDg Description generation batch_6a0966a973c88190a80dea4cac560614 completed May 17, 2026, 6:56 a.m.
NED2 Entity disambiguation (via description) batch_6a09671c01a08190a9034fdb91119c3f completed May 17, 2026, 6:58 a.m.
Created at: April 16, 2026, 2:01 p.m.