Triple

T675705
Position Surface form Disambiguated ID Type / Status
Subject RER C E13072 entity
Predicate hasTerminus P388 FINISHED
Object 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.
 E93536 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: Saint-Martin-d’Étampes station | Statement: [RER C, hasTerminus, Saint-Martin-d’Étampes station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Saint-Martin-d’Étampes station
Context triple: [RER C, hasTerminus, Saint-Martin-d’Étampes station]
  • A. 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.
  • B. Saint-Rémy-lès-Chevreuse station
    Saint-Rémy-lès-Chevreuse station is a suburban railway station in Île-de-France serving as a key outer terminus of Paris’s RER B commuter rail network.
  • C. 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.
  • D. Massy-Palaiseau station
    Massy-Palaiseau station is a major suburban railway and RER hub in Massy, France, providing key regional and commuter rail connections in the southern Paris metropolitan area.
  • E. 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.
  • 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: Saint-Martin-d’Étampes station
Triple: [RER C, hasTerminus, Saint-Martin-d’Étampes station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Saint-Martin-d’Étampes station
Target entity description: 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.
  • A. 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.
  • B. Saint-Rémy-lès-Chevreuse station
    Saint-Rémy-lès-Chevreuse station is a suburban railway station in Île-de-France serving as a key outer terminus of Paris’s RER B commuter rail network.
  • C. 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.
  • D. Massy-Palaiseau station
    Massy-Palaiseau station is a major suburban railway and RER hub in Massy, France, providing key regional and commuter rail connections in the southern Paris metropolitan area.
  • E. 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.
  • 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_69a6787385d8819083f5b6336363743e completed March 3, 2026, 5:58 a.m.
NEDg Description generation batch_69a679232fc88190b3b60233e81c831e completed March 3, 2026, 6:01 a.m.
NED2 Entity disambiguation (via description) batch_69a67993ed108190b86e3e00a27fff2c completed March 3, 2026, 6:03 a.m.
Created at: March 1, 2026, 7:36 p.m.