Triple

T5574489
Position Surface form Disambiguated ID Type / Status
Subject Waterbury Branch E146284 entity
Predicate hasStation P35 FINISHED
Object Derby–Shelton station
Derby–Shelton station is a commuter rail stop in Derby, Connecticut, serving the Metro-North Railroad’s Waterbury Branch.
 E533569 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: Derby–Shelton station | Statement: [Waterbury Branch, hasStation, Derby–Shelton station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Derby–Shelton station
Context triple: [Waterbury Branch, hasStation, Derby–Shelton station]
  • A. Homewood station
    Homewood station is a commuter rail and Amtrak train station serving the village of Homewood in the south suburbs of Chicago, Illinois.
  • B. Dorsey station
    Dorsey station is a commuter rail stop in Maryland served by MARC’s Camden Line between Washington, D.C., and Baltimore.
  • C. Briarwood station
    Briarwood station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
  • D. Wayne Junction station
    Wayne Junction station is a major SEPTA regional rail hub in Philadelphia, Pennsylvania, serving multiple commuter lines and providing key connections within the city's transit network.
  • E. Dormont Junction station
    Dormont Junction station is a light rail stop in the Pittsburgh Regional Transit network serving the suburban communities of Dormont and nearby Mt. Lebanon, Pennsylvania.
  • 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: Derby–Shelton station
Triple: [Waterbury Branch, hasStation, Derby–Shelton station]
Generated description
Derby–Shelton station is a commuter rail stop in Derby, Connecticut, serving the Metro-North Railroad’s Waterbury Branch.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Derby–Shelton station
Target entity description: Derby–Shelton station is a commuter rail stop in Derby, Connecticut, serving the Metro-North Railroad’s Waterbury Branch.
  • A. Homewood station
    Homewood station is a commuter rail and Amtrak train station serving the village of Homewood in the south suburbs of Chicago, Illinois.
  • B. Dorsey station
    Dorsey station is a commuter rail stop in Maryland served by MARC’s Camden Line between Washington, D.C., and Baltimore.
  • C. Briarwood station
    Briarwood station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
  • D. Wayne Junction station
    Wayne Junction station is a major SEPTA regional rail hub in Philadelphia, Pennsylvania, serving multiple commuter lines and providing key connections within the city's transit network.
  • E. Dormont Junction station
    Dormont Junction station is a light rail stop in the Pittsburgh Regional Transit network serving the suburban communities of Dormont and nearby Mt. Lebanon, Pennsylvania.
  • 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_69c008ffed108190a084602227af6157 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c02054ce8c819093e1a6379ec92006 completed March 22, 2026, 5:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69c02852a6fc8190a543508ab3237f95 completed March 22, 2026, 5:35 p.m.
NEDg Description generation batch_69c0430e51fc819084706f52a815350a completed March 22, 2026, 7:29 p.m.
NED2 Entity disambiguation (via description) batch_69c046e54a20819080eef5179f206314 completed March 22, 2026, 7:45 p.m.
Created at: March 22, 2026, 3:37 p.m.