Triple

T2121480
Position Surface form Disambiguated ID Type / Status
Subject CTrail Hartford Line E43932 entity
Predicate usesStation P726 FINISHED
Object 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.
 E244136 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: Windsor Locks station | Statement: [CTrail Hartford Line, usesStation, Windsor Locks station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Windsor Locks station
Context triple: [CTrail Hartford Line, usesStation, Windsor Locks station]
  • A. Meriden station
    Meriden station is a passenger rail station in Meriden, Connecticut, serving CTrail Hartford Line and Amtrak trains along the New Haven–Springfield corridor.
  • B. 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.
  • C. Stamford station
    Stamford station is a major commuter rail hub in Stamford, Connecticut, serving as one of the busiest stops on the Metro-North Railroad and a key gateway between New York City and New England.
  • D. Newark station
    Newark station is a passenger rail station in Newark, Delaware, serving Amtrak and SEPTA regional rail services.
  • E. Doylestown station
    Doylestown station is a SEPTA Regional Rail station in Doylestown, Pennsylvania, serving as a key commuter hub for travel between the northern suburbs and central Philadelphia.
  • 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: Windsor Locks station
Triple: [CTrail Hartford Line, usesStation, Windsor Locks station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Windsor Locks station
Target entity description: 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.
  • A. Meriden station
    Meriden station is a passenger rail station in Meriden, Connecticut, serving CTrail Hartford Line and Amtrak trains along the New Haven–Springfield corridor.
  • B. 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.
  • C. Stamford station
    Stamford station is a major commuter rail hub in Stamford, Connecticut, serving as one of the busiest stops on the Metro-North Railroad and a key gateway between New York City and New England.
  • D. Newark station
    Newark station is a passenger rail station in Newark, Delaware, serving Amtrak and SEPTA regional rail services.
  • E. Doylestown station
    Doylestown station is a SEPTA Regional Rail station in Doylestown, Pennsylvania, serving as a key commuter hub for travel between the northern suburbs and central Philadelphia.
  • 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_69a88717cfe48190b7ecdd68c824848a completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abbb51e8088190a1aeafee4e8dff63 completed March 7, 2026, 5:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae652fc57881908eaec85edfebeb15 completed March 9, 2026, 6:14 a.m.
NEDg Description generation batch_69ae65ac14a8819091fa0795c7f99917 completed March 9, 2026, 6:16 a.m.
NED2 Entity disambiguation (via description) batch_69ae66429c208190ae011d7ee001c9ea completed March 9, 2026, 6:18 a.m.
Created at: March 4, 2026, 7:44 p.m.