Triple

T675706
Position Surface form Disambiguated ID Type / Status
Subject RER C E13072 entity
Predicate hasTerminus P388 FINISHED
Object Dourdan station
Dourdan station is a railway terminus in the southern suburbs of Paris, serving as one end of the RER C commuter rail line.
E94498 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: Dourdan station | Statement: [RER C, hasTerminus, Dourdan station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dourdan station
Context triple: [RER C, hasTerminus, Dourdan station]
  • A. Versailles-Chantiers station
    Versailles-Chantiers station is a major railway hub in Versailles, France, serving regional and suburban train lines that connect the city to Paris and surrounding areas.
  • B. Saint-Quentin-en-Yvelines station
    Saint-Quentin-en-Yvelines station is a major suburban railway hub in the Yvelines department of the Paris metropolitan area, serving regional and commuter rail lines including the RER.
  • C. Pontoise station
    Pontoise station is a major railway and RER hub in the northwestern suburbs of Paris, serving as an important terminus and interchange point for regional and suburban trains.
  • D. Saint-Martin-d’Étampes station
    Saint-Martin-d’Étampes station is a railway terminus in Étampes, France, serving as one of the outer suburban endpoints of the Paris RER C commuter rail network.
  • E. Mitry–Claye station
    Mitry–Claye station is a suburban railway station in Mitry-Mory, northeastern Paris, serving as a key terminus and interchange on the RER B commuter rail network.
  • 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: Dourdan station
Triple: [RER C, hasTerminus, Dourdan station]
Generated description
Dourdan station is a railway terminus in the southern suburbs of Paris, serving as one end of the RER C commuter rail line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Dourdan station
Target entity description: Dourdan station is a railway terminus in the southern suburbs of Paris, serving as one end of the RER C commuter rail line.
  • A. Versailles-Chantiers station
    Versailles-Chantiers station is a major railway hub in Versailles, France, serving regional and suburban train lines that connect the city to Paris and surrounding areas.
  • B. Saint-Quentin-en-Yvelines station
    Saint-Quentin-en-Yvelines station is a major suburban railway hub in the Yvelines department of the Paris metropolitan area, serving regional and commuter rail lines including the RER.
  • C. Pontoise station
    Pontoise station is a major railway and RER hub in the northwestern suburbs of Paris, serving as an important terminus and interchange point for regional and suburban trains.
  • D. Saint-Martin-d’Étampes station
    Saint-Martin-d’Étampes station is a railway terminus in Étampes, France, serving as one of the outer suburban endpoints of the Paris RER C commuter rail network.
  • E. Mitry–Claye station
    Mitry–Claye station is a suburban railway station in Mitry-Mory, northeastern Paris, serving as a key terminus and interchange on the RER B commuter rail network.
  • 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_69a4933d3bf88190972041cd8cf143b9 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4a0266e7c8190a94c4b4b761c59f4 completed March 1, 2026, 8:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69a67eeff434819090fb550b6bf07d86 completed March 3, 2026, 6:25 a.m.
NEDg Description generation batch_69a67f6615188190ad526ba0875209a9 completed March 3, 2026, 6:27 a.m.
NED2 Entity disambiguation (via description) batch_69a6808069e08190bc6df238c91d24c4 completed March 3, 2026, 6:32 a.m.
Created at: March 1, 2026, 7:36 p.m.