Triple

T2121485
Position Surface form Disambiguated ID Type / Status
Subject CTrail Hartford Line E43932 entity
Predicate usesStation P726 FINISHED
Object Enfield station
Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
 E276255 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: Enfield station | Statement: [CTrail Hartford Line, usesStation, Enfield station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Enfield station
Context triple: [CTrail Hartford Line, usesStation, Enfield station]
  • A. Northumberland Park station
    Northumberland Park station is a railway station in North London that serves the Tottenham area and provides convenient access for fans traveling to Tottenham Hotspur Stadium.
  • B. Regent’s Park station
    Regent’s Park station is a London Underground station on the Bakerloo line, located near Regent’s Park and the Marylebone area in central London.
  • C. Finsbury Park station
    Finsbury Park station is a major transport hub in North London, serving both National Rail and London Underground lines and providing access to surrounding areas including Arsenal’s Emirates Stadium.
  • D. Park Lane station
    Park Lane station is a public transit stop on Dallas Area Rapid Transit’s light rail system in Dallas, Texas.
  • E. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • 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: Enfield station
Triple: [CTrail Hartford Line, usesStation, Enfield station]
Generated description
Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Enfield station
Target entity description: Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
  • A. Northumberland Park station
    Northumberland Park station is a railway station in North London that serves the Tottenham area and provides convenient access for fans traveling to Tottenham Hotspur Stadium.
  • B. Regent’s Park station
    Regent’s Park station is a London Underground station on the Bakerloo line, located near Regent’s Park and the Marylebone area in central London.
  • C. Finsbury Park station
    Finsbury Park station is a major transport hub in North London, serving both National Rail and London Underground lines and providing access to surrounding areas including Arsenal’s Emirates Stadium.
  • D. Park Lane station
    Park Lane station is a public transit stop on Dallas Area Rapid Transit’s light rail system in Dallas, Texas.
  • E. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • 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_69af5cbcf8dc8190a3319bdf58dce307 completed March 9, 2026, 11:50 p.m.
NEDg Description generation batch_69af5d4795288190bb09c1a928e70b3e completed March 9, 2026, 11:52 p.m.
NED2 Entity disambiguation (via description) batch_69af5dca88948190b0b195bce7126891 completed March 9, 2026, 11:54 p.m.
Created at: March 4, 2026, 7:44 p.m.