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.