Triple

T23317194
Position Surface form Disambiguated ID Type / Status
Subject Roanoke station E590740 entity
Predicate isLocatedOnRailroad P62786 FINISHED
Object Norfolk Southern main line NE NERFINISHED

How this triple was built (3 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: Norfolk Southern main line | Statement: [Roanoke station, isLocatedOnRailroad, Norfolk Southern main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Norfolk Southern main line
Context triple: [Roanoke station, isLocatedOnRailroad, Norfolk Southern main line]
  • A. Norfolk Southern Railway main line chosen
    The Norfolk Southern Railway main line is a major freight and passenger rail corridor in the eastern United States operated by Norfolk Southern Railway.
  • B. Norfolk Southern Railway lines
    Norfolk Southern Railway lines are a major freight rail network in the eastern United States, carrying a wide range of goods across numerous states and key industrial regions.
  • C. 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.
  • D. Norfolk Southern Southern Tier Line
    The Norfolk Southern Southern Tier Line is a freight rail corridor in New York State that also hosts Metro-North’s Port Jervis Line commuter service.
  • E. CSX River Subdivision rail line
    The CSX River Subdivision rail line is a major freight railroad corridor running along the west bank of the Hudson River in New York, used primarily for long-distance cargo transport.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: isLocatedOnRailroad
Context triple: [Roanoke station, isLocatedOnRailroad, Norfolk Southern main line]
  • A. isOnRailway chosen
    Indicates that one entity is positioned on, aligned with, or traveling along a railway track or railway system in relation to another entity.
  • B. isRailwayIn
    Indicates that a railway is located within or passes through a specified geographic or administrative area.
  • C. connectsToRailwayNetwork
    Indicates that one entity is physically or functionally linked to a railway network, allowing access or transfer between them.
  • D. hasRackRailway
    Indicates that one entity possesses or includes a rack railway system connecting locations or operating within its area.
  • E. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • F. None of above.

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_69e25d1d32188190948eb76909d1dcc3 completed April 17, 2026, 4:17 p.m.
NER Named-entity recognition batch_69f197828c408190ae071624e40de4cc completed April 29, 2026, 5:30 a.m.
PD Predicate disambiguation batch_69effcf8ca2c8190887d4f4656617d21 completed April 28, 2026, 12:19 a.m.
Created at: April 17, 2026, 5:06 p.m.