Triple

T10774634
Position Surface form Disambiguated ID Type / Status
Subject Steamtown National Historic Site E254165 entity
Predicate hasRailConnection P848 FINISHED
Object Delaware-Lackawanna Railroad E592032 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: Delaware-Lackawanna Railroad | Statement: [Steamtown National Historic Site, hasRailConnection, Delaware-Lackawanna Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Delaware-Lackawanna Railroad
Context triple: [Steamtown National Historic Site, hasRailConnection, Delaware-Lackawanna Railroad]
  • A. Ulster and Delaware Railroad
    The Ulster and Delaware Railroad was a historic rail line in New York State that connected the Hudson River with the Catskill Mountains, playing a key role in the region’s tourism and economic development in the late 19th and early 20th centuries.
  • B. Delaware, Lackawanna and Western Railroad chosen
    The Delaware, Lackawanna and Western Railroad was a major northeastern U.S. railroad known for its anthracite coal traffic and passenger services, which later became part of the Erie Lackawanna Railway.
  • C. Sunbury and Erie Railroad
    The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
  • D. Rutland Railroad
    The Rutland Railroad was a regional railroad in the northeastern United States that primarily served Vermont and parts of New York, playing a key role in the area's freight and passenger transportation during the late 19th and early 20th centuries.
  • E. Lehigh and Hudson River Railway
    The Lehigh and Hudson River Railway was a regional American railroad that operated in the northeastern United States, primarily serving as a bridge line connecting major trunk railroads before its assets were absorbed into Conrail in 1976.
  • 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_69d6aa609f008190a294200aefcb7bd5 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d7329be784819083b7ec4d85c20acf completed April 9, 2026, 5:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69de84b88ba08190afddea2976d12465 completed April 14, 2026, 6:17 p.m.
Created at: April 8, 2026, 9:16 p.m.