Triple

T1049418
Position Surface form Disambiguated ID Type / Status
Subject West Coast Main Line E22659 entity
Predicate upgraded P5357 FINISHED
Object West Coast Route Modernisation
West Coast Route Modernisation was a major UK rail infrastructure programme that overhauled the West Coast Main Line to increase capacity, speed, and reliability for passenger and freight services.
E119076 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: West Coast Route Modernisation | Statement: [West Coast Main Line, upgraded, West Coast Route Modernisation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Coast Route Modernisation
Context triple: [West Coast Main Line, upgraded, West Coast Route Modernisation]
  • A. Alameda Corridor
    The Alameda Corridor is a 20-mile freight rail expressway in Los Angeles County that consolidates and streamlines cargo movement between the region’s ports and the national rail network.
  • B. Main Line Third Track Project
    The Main Line Third Track Project is a major Long Island Rail Road infrastructure expansion adding an additional track to increase capacity, reduce delays, and improve service reliability on the busy Main Line corridor.
  • C. Peninsula rail corridor
    The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
  • D. Third Street Light Rail Project Phase 2
    Third Street Light Rail Project Phase 2 is a San Francisco Municipal Railway expansion phase that includes the Central Subway to extend light rail service through downtown and Chinatown.
  • E. West Coast Main Line
    The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
  • 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: West Coast Route Modernisation
Triple: [West Coast Main Line, upgraded, West Coast Route Modernisation]
Generated description
West Coast Route Modernisation was a major UK rail infrastructure programme that overhauled the West Coast Main Line to increase capacity, speed, and reliability for passenger and freight services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: West Coast Route Modernisation
Target entity description: West Coast Route Modernisation was a major UK rail infrastructure programme that overhauled the West Coast Main Line to increase capacity, speed, and reliability for passenger and freight services.
  • A. Alameda Corridor
    The Alameda Corridor is a 20-mile freight rail expressway in Los Angeles County that consolidates and streamlines cargo movement between the region’s ports and the national rail network.
  • B. Main Line Third Track Project
    The Main Line Third Track Project is a major Long Island Rail Road infrastructure expansion adding an additional track to increase capacity, reduce delays, and improve service reliability on the busy Main Line corridor.
  • C. Peninsula rail corridor
    The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
  • D. Third Street Light Rail Project Phase 2
    Third Street Light Rail Project Phase 2 is a San Francisco Municipal Railway expansion phase that includes the Central Subway to extend light rail service through downtown and Chinatown.
  • E. West Coast Main Line
    The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: upgraded
Context triple: [West Coast Main Line, upgraded, West Coast Route Modernisation]
  • A. updated
    Indicates that an entity has been modified or brought to a more recent state compared to its previous version or status.
  • B. hasUpgrade chosen
    Indicates that one entity possesses, includes, or is associated with an improved or enhanced version of another entity.
  • C. partlyUpgradedTo
    Indicates that an entity has undergone an incomplete or partial upgrade to another specified state, version, or configuration.
  • D. upgradeProgram
    Indicates that one entity improves, enhances, or replaces another entity’s program with a more advanced or updated version.
  • E. plannedUpgrade
    Indicates that an entity has a scheduled or intended improvement or enhancement to be carried out in the future.
  • 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_69a493da02e081908c13ff5e02a0fe7a completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b8f28c7c8190b9ca3749666bcbf3 completed March 1, 2026, 10:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac3bcd3a4481908f7d9f13e3697fa9 completed March 7, 2026, 2:53 p.m.
NEDg Description generation batch_69ac3c42c2c081909ccadbf944d3aa6c completed March 7, 2026, 2:54 p.m.
NED2 Entity disambiguation (via description) batch_69ac3cbea1708190a16951194f13ed5e completed March 7, 2026, 2:57 p.m.
PD Predicate disambiguation batch_69a4b72e3e488190b768005ad647886b completed March 1, 2026, 10:01 p.m.
Created at: March 1, 2026, 7:42 p.m.