Triple

T7238626
Position Surface form Disambiguated ID Type / Status
Subject Norwalk, Connecticut E155295 entity
Predicate hasRailStation P726 FINISHED
Object Rowayton station
Rowayton station is a commuter rail stop on the Metro-North Railroad New Haven Line serving the Rowayton neighborhood of Norwalk, Connecticut.
 E650767 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: Rowayton station | Statement: [Norwalk, Connecticut, hasRailStation, Rowayton station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rowayton station
Context triple: [Norwalk, Connecticut, hasRailStation, Rowayton station]
  • A. Readville station
    Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park area.
  • B. Malden Center station
    Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
  • C. Beverly Farms station
    Beverly Farms station is a commuter rail stop in the Beverly Farms neighborhood of Beverly, Massachusetts, served by the MBTA's Newburyport/Rockport Line.
  • D. White River Junction station
    White River Junction station is a historic railroad station in White River Junction, Vermont, that serves as a regional passenger rail hub.
  • E. Weston Station
    Weston Station is a commuter rail station in Toronto, Ontario, serving as a stop on the Union Pearson Express line between downtown Toronto and Pearson International Airport.
  • 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: Rowayton station
Triple: [Norwalk, Connecticut, hasRailStation, Rowayton station]
Generated description
Rowayton station is a commuter rail stop on the Metro-North Railroad New Haven Line serving the Rowayton neighborhood of Norwalk, Connecticut.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rowayton station
Target entity description: Rowayton station is a commuter rail stop on the Metro-North Railroad New Haven Line serving the Rowayton neighborhood of Norwalk, Connecticut.
  • A. Readville station
    Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park area.
  • B. Malden Center station
    Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
  • C. Beverly Farms station
    Beverly Farms station is a commuter rail stop in the Beverly Farms neighborhood of Beverly, Massachusetts, served by the MBTA's Newburyport/Rockport Line.
  • D. White River Junction station
    White River Junction station is a historic railroad station in White River Junction, Vermont, that serves as a regional passenger rail hub.
  • E. Weston Station
    Weston Station is a commuter rail station in Toronto, Ontario, serving as a stop on the Union Pearson Express line between downtown Toronto and Pearson International Airport.
  • 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_69c688143bfc81908d4176617735e601 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6ea368fb88190bd9e991e8b94dac6 completed March 27, 2026, 8:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7cc3d75b48190916bf327396f2666 completed March 28, 2026, 12:40 p.m.
NEDg Description generation batch_69c7ce24f4148190877852983c9aadb5 completed March 28, 2026, 12:48 p.m.
NED2 Entity disambiguation (via description) batch_69c7ce9f73508190a2d1eb35237c3073 completed March 28, 2026, 12:50 p.m.
Created at: March 27, 2026, 2:55 p.m.