Triple

T5504685
Position Surface form Disambiguated ID Type / Status
Subject Danbury Branch E144410 entity
Predicate terminus P388 FINISHED
Object South Norwalk station
South Norwalk station is a major Metro-North Railroad hub in Norwalk, Connecticut, serving as a key transfer point between the New Haven Line and the Danbury Branch.
E529290 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: South Norwalk station | Statement: [Danbury Branch, terminus, South Norwalk station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Norwalk station
Context triple: [Danbury Branch, terminus, South Norwalk station]
  • A. Norwalk station
    Norwalk station is a Los Angeles Metro Rail transit station in Norwalk, California, serving as a key eastern endpoint for light rail service in the southeastern Los Angeles area.
  • B. Westbury station
    Westbury station is a Long Island Rail Road commuter rail stop in Westbury, New York, serving passengers on the busy Main Line between New York City and eastern Long Island.
  • C. Windsor Locks station
    Windsor Locks station is a passenger rail stop in Windsor Locks, Connecticut, serving CTrail’s Hartford Line and Amtrak trains along the Hartford–Springfield corridor.
  • D. Mamaroneck station
    Mamaroneck station is a commuter rail stop in Mamaroneck, New York, served by the Metro-North Railroad’s New Haven Line.
  • E. Danbury Branch (Metro-North Railroad)
    Danbury Branch (Metro-North Railroad) is a commuter rail line in southwestern Connecticut that connects the city of Danbury with the New Haven Line, providing passenger service to New York City and other regional destinations.
  • 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: South Norwalk station
Triple: [Danbury Branch, terminus, South Norwalk station]
Generated description
South Norwalk station is a major Metro-North Railroad hub in Norwalk, Connecticut, serving as a key transfer point between the New Haven Line and the Danbury Branch.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: South Norwalk station
Target entity description: South Norwalk station is a major Metro-North Railroad hub in Norwalk, Connecticut, serving as a key transfer point between the New Haven Line and the Danbury Branch.
  • A. Norwalk station
    Norwalk station is a Los Angeles Metro Rail transit station in Norwalk, California, serving as a key eastern endpoint for light rail service in the southeastern Los Angeles area.
  • B. Westbury station
    Westbury station is a Long Island Rail Road commuter rail stop in Westbury, New York, serving passengers on the busy Main Line between New York City and eastern Long Island.
  • C. Windsor Locks station
    Windsor Locks station is a passenger rail stop in Windsor Locks, Connecticut, serving CTrail’s Hartford Line and Amtrak trains along the Hartford–Springfield corridor.
  • D. Mamaroneck station
    Mamaroneck station is a commuter rail stop in Mamaroneck, New York, served by the Metro-North Railroad’s New Haven Line.
  • E. Danbury Branch (Metro-North Railroad)
    Danbury Branch (Metro-North Railroad) is a commuter rail line in southwestern Connecticut that connects the city of Danbury with the New Haven Line, providing passenger service to New York City and other regional destinations.
  • 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_69c008f6b5048190a09064116062cf69 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c01f0d21848190ae8c41561eca6342 completed March 22, 2026, 4:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69c027ae9a448190a927d39d30f0134b completed March 22, 2026, 5:32 p.m.
NEDg Description generation batch_69c037fca93881908d4d7403bfb1f866 completed March 22, 2026, 6:42 p.m.
NED2 Entity disambiguation (via description) batch_69c03898327c8190bd3b889bd7663003 completed March 22, 2026, 6:44 p.m.
Created at: March 22, 2026, 3:32 p.m.