Triple

T5974571
Position Surface form Disambiguated ID Type / Status
Subject Carlisle–Chambersburg line E132952 entity
Predicate partOf P40 FINISHED
Object Cumberland Valley Railroad network E23591 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: Cumberland Valley Railroad network | Statement: [Carlisle–Chambersburg line, partOf, Cumberland Valley Railroad network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cumberland Valley Railroad network
Context triple: [Carlisle–Chambersburg line, partOf, Cumberland Valley Railroad network]
  • A. Cumberland Valley Railroad chosen
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
  • B. Durbin and Greenbrier Valley Railroad
    The Durbin and Greenbrier Valley Railroad is a heritage railroad in West Virginia that operates scenic tourist excursions through the Allegheny Mountains using historic locomotives and rolling stock.
  • C. T5 Cumberland Line
    The T5 Cumberland Line is a suburban passenger rail service in Sydney, Australia, connecting key western and south-western suburbs without requiring travel through the central business district.
  • D. 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.
  • E. CSX Transportation Cumberland Subdivision
    CSX Transportation's Cumberland Subdivision is a major freight rail line running through Maryland and West Virginia that also hosts MARC commuter rail service on the Brunswick Line.
  • 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_69c0086deab081908550159ca23eec9b completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c04a39c9d08190a78e1e3268584eb5 completed March 22, 2026, 7:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69c108422220819092ac63e5ebb264b4 completed March 23, 2026, 9:30 a.m.
Created at: March 22, 2026, 4:03 p.m.