Triple

T21904436
Position Surface form Disambiguated ID Type / Status
Subject Final System Plan E540896 entity
Predicate describedRailroad P76977 FINISHED
Object Delaware, Lackawanna and Western Railroad — NE NERFINISHED

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 and Western Railroad | Statement: [Final System Plan, describedRailroad, Delaware, Lackawanna and Western Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Delaware, Lackawanna and Western Railroad
Context triple: [Final System Plan, describedRailroad, Delaware, Lackawanna and Western Railroad]
  • A. 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.
  • B. Lehigh Valley Railroad
    Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
  • C. New York, Susquehanna and Western Railway
    The New York, Susquehanna and Western Railway is a regional freight railroad operating primarily in New York, New Jersey, and Pennsylvania, known for serving as a key transportation link in the northeastern United States.
  • D. Erie Lackawanna Railway
    Erie Lackawanna Railway was a mid-20th-century U.S. railroad formed from the merger of the Erie Railroad and the Delaware, Lackawanna and Western Railroad, known for serving the Northeast and Midwest before its assets were absorbed into Conrail.
  • E. Philadelphia and Western Railroad
    The Philadelphia and Western Railroad was an early 20th-century interurban railway in the Philadelphia region that later evolved into what is now known as the Norristown High Speed Line.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0c47b4e8c81908c8076eaa4c8e4f2 completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f121d4c0248190909172decd7cbc64 completed April 28, 2026, 9:08 p.m.
Created at: April 16, 2026, 7:29 p.m.