Triple

T12861196
Position Surface form Disambiguated ID Type / Status
Subject Connellsville Extension E307591 entity
Predicate partOf P40 FINISHED
Object Western Maryland Railway main system expansion E63864 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: Western Maryland Railway main system expansion | Statement: [Connellsville Extension, partOf, Western Maryland Railway main system expansion]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Western Maryland Railway main system expansion
Context triple: [Connellsville Extension, partOf, Western Maryland Railway main system expansion]
  • A. Western Maryland Railway chosen
    Western Maryland Railway was a historic regional railroad that operated primarily in Maryland, Pennsylvania, and West Virginia, known for hauling coal and freight through the Appalachian region before being absorbed into larger rail systems.
  • B. Maryland Midland Railway
    Maryland Midland Railway is a regional short-line freight railroad operating in central Maryland and southern Pennsylvania, connecting local industries to the broader North American rail network.
  • C. Walkersville Southern Railroad
    Walkersville Southern Railroad is a heritage railway in Maryland that operates tourist and excursion trains over a restored former Pennsylvania Railroad line.
  • D. Western Maryland Scenic Railroad
    The Western Maryland Scenic Railroad is a heritage tourist railway in Maryland that operates vintage trains through the scenic Allegheny Mountains, preserving and showcasing regional rail history.
  • E. Southern Main Line
    The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
  • 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_69d7bdf5e7cc8190be357278bc5ba3bb completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d9708ba74881909b16c1e2ef5115db completed April 10, 2026, 9:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69f69bade6ec81908e3123b96837f104 completed May 3, 2026, 12:49 a.m.
Created at: April 9, 2026, 5:37 p.m.