Triple

T7948103
Position Surface form Disambiguated ID Type / Status
Subject Chalfont and Latimer railway station E184545 entity
Predicate servesMetropolitanLineBranch P6301 FINISHED
Object Amersham branch E229376 NE FINISHED

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: Amersham branch | Statement: [Chalfont and Latimer railway station, servesMetropolitanLineBranch, Amersham branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Amersham branch
Context triple: [Chalfont and Latimer railway station, servesMetropolitanLineBranch, Amersham branch]
  • A. Malvern Branch
    Malvern Branch is a local public library facility serving the community of Malvern with access to books, media, and library services.
  • B. High Barnet branch
    The High Barnet branch is a northern suburban section of London’s Northern line that runs from central London up to High Barnet in the London Borough of Barnet.
  • C. Warminster Branch
    The Warminster Branch is a commuter rail line in southeastern Pennsylvania that runs from Philadelphia to Warminster, serving suburban communities along its route.
  • D. Amersham chosen
    Amersham is a historic market town in southeast England known for its picturesque old town, Chilterns countryside setting, and role as a commuter hub into London.
  • E. Belton branch
    The Belton branch is a local public library facility serving the Belton community as part of the Cass County Public Library system.
  • 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: servesMetropolitanLineBranch
Context triple: [Chalfont and Latimer railway station, servesMetropolitanLineBranch, Amersham branch]
  • A. servedByRailBranch
    Indicates that a location or facility is connected to and provided service by a specific railway branch line.
  • B. subwayLine
    Indicates that there is a subway line connection or service relationship between the referenced entities.
  • C. hasMetroLine
    Indicates that a location or area is served by, or connected to, a specific metro (subway) line.
  • D. lineServed chosen
    Indicates that a particular transportation line (such as a bus, train, or metro line) provides service to or is operated at a given stop, station, or route segment.
  • E. openedAsMetrolinkLine
    Indicates that a railway line or route was inaugurated or began operation specifically as part of the Metrolink network.
  • F. None of above.

Provenance (4 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_69ca8291c2008190b1b8832c87814bcf completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb3b2bf6f48190ac7491c41045cab2 completed March 31, 2026, 3:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69cbe03c7d308190aec1172415be995c completed March 31, 2026, 2:54 p.m.
PD Predicate disambiguation batch_69cae9361bc48190886b7681e563d46b completed March 30, 2026, 9:20 p.m.
Created at: March 30, 2026, 5:10 p.m.