Triple

T10823424
Position Surface form Disambiguated ID Type / Status
Subject Blackheath railway station E255432 entity
Predicate locatedOn P40 FINISHED
Object Dartford Loop line
The Dartford Loop line is a suburban railway route in southeast London that connects London with Dartford via several intermediate stations.
E888193 NE FINISHED

How this triple was built (4 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: Dartford Loop line | Statement: [Blackheath railway station, locatedOn, Dartford Loop line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dartford Loop line
Context triple: [Blackheath railway station, locatedOn, Dartford Loop line]
  • A. Catford Loop Line
    The Catford Loop Line is a suburban railway route in southeast London that provides an alternative corridor between central London and Kent, serving several local commuter stations along the way.
  • B. Hounslow Loop Line
    The Hounslow Loop Line is a suburban railway route in West London that forms a loop off the South Western Main Line, providing local passenger services through areas such as Hounslow, Isleworth, and Richmond.
  • C. Tattenham Corner line
    The Tattenham Corner line is a suburban railway branch in South London and Surrey, England, running from Purley to Tattenham Corner and serving areas such as Banstead and Epsom Downs.
  • D. Sidcup Line
    The Sidcup Line is a suburban railway route in southeast London that connects central London with areas such as Sidcup and beyond, forming part of the Southeastern rail network.
  • E. Charing Cross–Dartford line
    The Charing Cross–Dartford line is a suburban railway route in southeast London and Kent, providing commuter services between central London and Dartford via stations such as Waterloo East.
  • 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: Dartford Loop line
Triple: [Blackheath railway station, locatedOn, Dartford Loop line]
Generated description
The Dartford Loop line is a suburban railway route in southeast London that connects London with Dartford via several intermediate stations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Dartford Loop line
Target entity description: The Dartford Loop line is a suburban railway route in southeast London that connects London with Dartford via several intermediate stations.
  • A. Catford Loop Line
    The Catford Loop Line is a suburban railway route in southeast London that provides an alternative corridor between central London and Kent, serving several local commuter stations along the way.
  • B. Hounslow Loop Line
    The Hounslow Loop Line is a suburban railway route in West London that forms a loop off the South Western Main Line, providing local passenger services through areas such as Hounslow, Isleworth, and Richmond.
  • C. Tattenham Corner line
    The Tattenham Corner line is a suburban railway branch in South London and Surrey, England, running from Purley to Tattenham Corner and serving areas such as Banstead and Epsom Downs.
  • D. Sidcup Line
    The Sidcup Line is a suburban railway route in southeast London that connects central London with areas such as Sidcup and beyond, forming part of the Southeastern rail network.
  • E. Charing Cross–Dartford line
    The Charing Cross–Dartford line is a suburban railway route in southeast London and Kent, providing commuter services between central London and Dartford via stations such as Waterloo East.
  • F. None of above. chosen

Provenance (5 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_69d6aa8081448190a9324184f2bd1c26 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d7344c551c8190a7491d468b8a4a04 completed April 9, 2026, 5:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69de8578428c8190a25d9008881d0114 completed April 14, 2026, 6:20 p.m.
NEDg Description generation batch_69de8e6f3fac8190bcd1675978d6d6d7 completed April 14, 2026, 6:58 p.m.
NED2 Entity disambiguation (via description) batch_69de8fa679cc81909cb51035e5403ce9 completed April 14, 2026, 7:04 p.m.
Created at: April 8, 2026, 9:19 p.m.