Triple

T137373
Position Surface form Disambiguated ID Type / Status
Subject Northeast Corridor E2775 entity
Predicate usedBy P260 FINISHED
Object Shore Line East
Shore Line East is a commuter rail service in southern Connecticut that provides passenger trains along the Northeast Corridor between New Haven and shoreline communities.
E28212 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: Shore Line East | Statement: [Northeast Corridor, usedBy, Shore Line East]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Shore Line East
Context triple: [Northeast Corridor, usedBy, Shore Line East]
  • A. White Plains Road Line
    The White Plains Road Line is a major New York City Subway route in the Bronx, primarily served by the 2 and 5 trains and running along White Plains Road.
  • B. Long Island Rail Road Main Line
    The Long Island Rail Road Main Line is the primary rail corridor of the Long Island Rail Road, running from New York City through central Long Island and serving as a major commuter and intercity route.
  • C. Long Island Rail Road Atlantic Branch
    The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
  • D. Camden Line
    The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
  • E. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • 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: Shore Line East
Triple: [Northeast Corridor, usedBy, Shore Line East]
Generated description
Shore Line East is a commuter rail service in southern Connecticut that provides passenger trains along the Northeast Corridor between New Haven and shoreline communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Shore Line East
Target entity description: Shore Line East is a commuter rail service in southern Connecticut that provides passenger trains along the Northeast Corridor between New Haven and shoreline communities.
  • A. White Plains Road Line
    The White Plains Road Line is a major New York City Subway route in the Bronx, primarily served by the 2 and 5 trains and running along White Plains Road.
  • B. Long Island Rail Road Main Line
    The Long Island Rail Road Main Line is the primary rail corridor of the Long Island Rail Road, running from New York City through central Long Island and serving as a major commuter and intercity route.
  • C. Long Island Rail Road Atlantic Branch
    The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
  • D. Camden Line
    The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
  • E. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • 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_69a2521e35c08190b28e5c9f1e3c9b59 completed Feb. 28, 2026, 2:25 a.m.
NER Named-entity recognition batch_69a257a6cab88190944c8f74d8d1605c completed Feb. 28, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69a34d90d3948190a59a53e54b477681 completed Feb. 28, 2026, 8:18 p.m.
NEDg Description generation batch_69a34e222c388190861811c2f6aff0a6 completed Feb. 28, 2026, 8:20 p.m.
NED2 Entity disambiguation (via description) batch_69a34e9e185c8190b03d8906082928fe completed Feb. 28, 2026, 8:22 p.m.
Created at: Feb. 28, 2026, 2:31 a.m.