Triple

T19458227
Position Surface form Disambiguated ID Type / Status
Subject Cachan E486790 entity
Predicate hasRailStation P726 FINISHED
Object Arcueil–Cachan station
Arcueil–Cachan station is a commuter rail station in the southern suburbs of Paris, serving the towns of Arcueil and Cachan on the RER B line.
 E1376675 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: Arcueil–Cachan station | Statement: [Cachan, hasRailStation, Arcueil–Cachan station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Arcueil–Cachan station
Context triple: [Cachan, hasRailStation, Arcueil–Cachan station]
  • A. Épinay–Villetaneuse station
    Épinay–Villetaneuse station is a suburban railway station in the northern Paris metropolitan area, serving as a key node on the Transilien network.
  • B. Garches–Marnes-la-Coquette station
    Garches–Marnes-la-Coquette station is a suburban railway station in the western outskirts of Paris, serving the communes of Garches and Marnes-la-Coquette on the Transilien network.
  • C. Aulnay-sous-Bois station
    Aulnay-sous-Bois station is a major suburban railway and RER hub in the northeastern suburbs of Paris, serving as an important transit point for commuters in the Île-de-France region.
  • D. Cergy-le-Haut station
    Cergy-le-Haut station is a suburban railway and RER station serving the Cergy-le-Haut district in the commune of Cergy, in the northwestern suburbs of Paris, France.
  • E. Cergy-Saint-Christophe station
    Cergy-Saint-Christophe station is a suburban railway and RER station serving the commune of Cergy in the northwestern suburbs of Paris, France.
  • 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: Arcueil–Cachan station
Triple: [Cachan, hasRailStation, Arcueil–Cachan station]
Generated description
Arcueil–Cachan station is a commuter rail station in the southern suburbs of Paris, serving the towns of Arcueil and Cachan on the RER B line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Arcueil–Cachan station
Target entity description: Arcueil–Cachan station is a commuter rail station in the southern suburbs of Paris, serving the towns of Arcueil and Cachan on the RER B line.
  • A. Épinay–Villetaneuse station
    Épinay–Villetaneuse station is a suburban railway station in the northern Paris metropolitan area, serving as a key node on the Transilien network.
  • B. Garches–Marnes-la-Coquette station
    Garches–Marnes-la-Coquette station is a suburban railway station in the western outskirts of Paris, serving the communes of Garches and Marnes-la-Coquette on the Transilien network.
  • C. Aulnay-sous-Bois station
    Aulnay-sous-Bois station is a major suburban railway and RER hub in the northeastern suburbs of Paris, serving as an important transit point for commuters in the Île-de-France region.
  • D. Cergy-le-Haut station
    Cergy-le-Haut station is a suburban railway and RER station serving the Cergy-le-Haut district in the commune of Cergy, in the northwestern suburbs of Paris, France.
  • E. Cergy-Saint-Christophe station
    Cergy-Saint-Christophe station is a suburban railway and RER station serving the commune of Cergy in the northwestern suburbs of Paris, France.
  • 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_69d8e8d86d608190bd199a98d0297f27 completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e633c569a081908b5a71226345a929 completed April 20, 2026, 2:10 p.m.
NED1 Entity disambiguation (via context triple) batch_6a073b386590819087632ce0b7375c58 completed May 15, 2026, 3:26 p.m.
NEDg Description generation batch_6a073c61707081909c25daa85176cdf4 completed May 15, 2026, 3:31 p.m.
NED2 Entity disambiguation (via description) batch_6a073cd498788190bc1d725aeff54c07 completed May 15, 2026, 3:33 p.m.
Created at: April 10, 2026, 1:38 p.m.