Triple

T215418
Position Surface form Disambiguated ID Type / Status
Subject Forth Bridge (rail, north end) E4809 entity
Predicate connectsRailwayLines P848 FINISHED
Object Edinburgh–Aberdeen railway route
The Edinburgh–Aberdeen railway route is a major inter-city rail line in eastern Scotland linking the capital Edinburgh with the city of Aberdeen via the Fife coast and other intermediate towns.
E27561 NE FINISHED

How this triple was built (5 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: Edinburgh–Aberdeen railway route | Statement: [Forth Bridge (rail, north end), connectsRailwayLines, Edinburgh–Aberdeen railway route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Edinburgh–Aberdeen railway route
Context triple: [Forth Bridge (rail, north end), connectsRailwayLines, Edinburgh–Aberdeen railway route]
  • A. Glasgow–Edinburgh railway line
    The Glasgow–Edinburgh railway line is a major intercity rail route linking Scotland’s two largest cities and serving as one of the country’s busiest and most important transport corridors.
  • B. Edinburgh commuter rail network
    The Edinburgh commuter rail network is a suburban rail system serving Edinburgh and its surrounding areas, providing frequent passenger services that connect the city with nearby towns and communities.
  • C. Cynwyd Line
    The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
  • D. Scottish rail network
    The Scottish rail network is the system of passenger and freight railway lines and services that connect cities, towns, and regions throughout Scotland and link them with the wider UK rail infrastructure.
  • E. Eccles Line
    The Eccles Line is a light rail route on Greater Manchester's Metrolink network that connects Manchester city centre with the suburb of Eccles via Salford Quays and MediaCityUK.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Edinburgh–Aberdeen railway route
Triple: [Forth Bridge (rail, north end), connectsRailwayLines, Edinburgh–Aberdeen railway route]
Generated description
The Edinburgh–Aberdeen railway route is a major inter-city rail line in eastern Scotland linking the capital Edinburgh with the city of Aberdeen via the Fife coast and other intermediate towns.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Edinburgh–Aberdeen railway route
Target entity description: The Edinburgh–Aberdeen railway route is a major inter-city rail line in eastern Scotland linking the capital Edinburgh with the city of Aberdeen via the Fife coast and other intermediate towns.
  • A. Glasgow–Edinburgh railway line
    The Glasgow–Edinburgh railway line is a major intercity rail route linking Scotland’s two largest cities and serving as one of the country’s busiest and most important transport corridors.
  • B. Edinburgh commuter rail network
    The Edinburgh commuter rail network is a suburban rail system serving Edinburgh and its surrounding areas, providing frequent passenger services that connect the city with nearby towns and communities.
  • C. Cynwyd Line
    The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
  • D. Scottish rail network
    The Scottish rail network is the system of passenger and freight railway lines and services that connect cities, towns, and regions throughout Scotland and link them with the wider UK rail infrastructure.
  • E. Eccles Line
    The Eccles Line is a light rail route on Greater Manchester's Metrolink network that connects Manchester city centre with the suburb of Eccles via Salford Quays and MediaCityUK.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: connectsRailwayLines
Context triple: [Forth Bridge (rail, north end), connectsRailwayLines, Edinburgh–Aberdeen railway route]
  • A. railwayLine chosen
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • B. railNetworkSide
    Indicates on which side of a rail network (e.g., left or right relative to a reference direction) an entity is located or associated.
  • C. hasRailSystem
    Indicates that an entity possesses or is served by a rail-based transportation system.
  • D. railNetworkRole
    Indicates the specific function or responsibility an entity has within a rail network system.
  • E. connectsTo
    Indicates a relationship where one entity is linked or joined to another, allowing interaction, communication, or transfer between them.
  • F. None of above.

Provenance (6 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_69a2575cb1dc8190a01ad332426dc339 completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25dcd2b208190855d5d8d70a3acfc completed Feb. 28, 2026, 3:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69a33e3f66888190a05ddcb0af4d3c5f completed Feb. 28, 2026, 7:13 p.m.
NEDg Description generation batch_69a33ee88af08190bfe81fba01856829 completed Feb. 28, 2026, 7:15 p.m.
NED2 Entity disambiguation (via description) batch_69a34295afa88190aae0d75a337967e3 completed Feb. 28, 2026, 7:31 p.m.
PD Predicate disambiguation batch_69a25b52190481908f299d26122bafd2 completed Feb. 28, 2026, 3:04 a.m.
Created at: Feb. 28, 2026, 2:52 a.m.