Triple

T2121462
Position Surface form Disambiguated ID Type / Status
Subject CTrail Hartford Line E43932 entity
Predicate servesCorridor P2566 FINISHED
Object New Haven–Hartford–Springfield corridor E134127 NE FINISHED

How this triple was built (2 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: New Haven–Hartford–Springfield corridor | Statement: [CTrail Hartford Line, servesCorridor, New Haven–Hartford–Springfield corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: New Haven–Hartford–Springfield corridor
Context triple: [CTrail Hartford Line, servesCorridor, New Haven–Hartford–Springfield corridor]
  • A. Greater Hartford
    Greater Hartford is the metropolitan region centered on Hartford, Connecticut, encompassing the city and its surrounding suburbs and communities that share its economic and cultural ties.
  • B. New Haven metropolitan area
    The New Haven metropolitan area is a regional urban and economic hub in south-central Connecticut centered on the city of New Haven and its surrounding communities.
  • C. Northeast Corridor
    The Northeast Corridor is the busiest passenger rail line in the United States, running primarily Amtrak and commuter trains along the urbanized spine of the East Coast between major cities such as Washington, D.C., Philadelphia, New York City, and Boston.
  • D. New Haven Line
    The New Haven Line is a major commuter rail route in the northeastern United States that connects New York City with New Haven, Connecticut, serving numerous communities along the Long Island Sound corridor.
  • E. New Haven–Springfield Line chosen
    The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ae5197259c8190bffbbb4abaaddfd0 completed March 9, 2026, 4:50 a.m.
Created at: March 4, 2026, 7:44 p.m.