Triple

T14681040
Position Surface form Disambiguated ID Type / Status
Subject East Croydon station E344782 entity
Predicate servedByTramlinkRoute P92625 FINISHED
Object Tramlink Route 1
Tramlink Route 1 is a light rail line in the Croydon Tramlink network in South London, connecting key destinations including central Croydon and surrounding suburbs.
E128281 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: Tramlink Route 1 | Statement: [East Croydon station, servedByTramlinkRoute, Tramlink Route 1]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tramlink Route 1
Context triple: [East Croydon station, servedByTramlinkRoute, Tramlink Route 1]
  • A. Tramlink route 2
    Tramlink route 2 is a light rail line in south London that operates as part of the Tramlink network, connecting Beckenham Junction with other destinations in the Croydon area.
  • B. Tramlink
    Tramlink is a light rail tram system serving the Croydon area and surrounding districts in South London.
  • C. Carmelit line
    The Carmelit line is a short underground funicular railway in Haifa, Israel, connecting several central city locations via a steep hillside route.
  • D. Tram 17
    Tram 17 is a tram line in Geneva’s public transport system operated by the city’s transit authority.
  • E. Trolleybus Line 1
    Trolleybus Line 1 is an electric trolleybus route in Mexico City’s public transit system that connects various central neighborhoods and interchanges with the metro network.
  • 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: Tramlink Route 1
Triple: [East Croydon station, servedByTramlinkRoute, Tramlink Route 1]
Generated description
Tramlink Route 1 is a light rail line in the Croydon Tramlink network in South London, connecting key destinations including central Croydon and surrounding suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tramlink Route 1
Target entity description: Tramlink Route 1 is a light rail line in the Croydon Tramlink network in South London, connecting key destinations including central Croydon and surrounding suburbs.
  • A. Tramlink route 2
    Tramlink route 2 is a light rail line in south London that operates as part of the Tramlink network, connecting Beckenham Junction with other destinations in the Croydon area.
  • B. Tramlink chosen
    Tramlink is a light rail tram system serving the Croydon area and surrounding districts in South London.
  • C. Carmelit line
    The Carmelit line is a short underground funicular railway in Haifa, Israel, connecting several central city locations via a steep hillside route.
  • D. Tram 17
    Tram 17 is a tram line in Geneva’s public transport system operated by the city’s transit authority.
  • E. Trolleybus Line 1
    Trolleybus Line 1 is an electric trolleybus route in Mexico City’s public transit system that connects various central neighborhoods and interchanges with the metro network.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: servedByTramlinkRoute
Context triple: [East Croydon station, servedByTramlinkRoute, Tramlink Route 1]
  • A. servedByOvergroundLine
    Indicates that a location or facility is connected to and receives service from an Overground railway line.
  • B. servedByTransilienLine
    Indicates that a location or facility is connected to and receives service from a specific Transilien railway line.
  • C. situatedOnTransportRoute
    Indicates that one entity is located along, on, or directly adjacent to a specified transport route (such as a road, railway, or shipping lane).
  • D. transportationServedBy
    Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
  • E. tramRoutes chosen
    Indicates that there exists a tram line or service that operates along a route connecting the related locations.
  • 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_69d822e34b348190ada4d1cdb6c7c226 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb5692284819090f775be8e478522 completed April 14, 2026, 9:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69fde182dab08190aac2ff2db666ee69 completed May 8, 2026, 1:13 p.m.
NEDg Description generation batch_69fde5efec48819098c55c7b4abcc7a5 completed May 8, 2026, 1:32 p.m.
NED2 Entity disambiguation (via description) batch_69fde66b1bf881908072a50d43a527f2 completed May 8, 2026, 1:34 p.m.
PD Predicate disambiguation batch_69de6579fb7881909becc8f5822b39d4 completed April 14, 2026, 4:04 p.m.
Created at: April 10, 2026, 1:28 a.m.