Triple
T6522131
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Romsey railway station |
E151208
|
entity |
| Predicate | hasTicketingSystem |
P3383
|
FINISHED |
| Object |
National Rail smartcard schemes
National Rail smartcard schemes are contactless, interoperable ticketing systems used across much of Britain’s rail network to allow passengers to store and use train tickets electronically on smartcards.
|
E606003
|
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: National Rail smartcard schemes | Statement: [Romsey railway station, hasTicketingSystem, National Rail smartcard schemes]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Rail smartcard schemes Context triple: [Romsey railway station, hasTicketingSystem, National Rail smartcard schemes]
-
A.
ScotRail smartcard
The ScotRail smartcard is a reusable contactless travel card that allows passengers to store and use train tickets electronically across Scotland’s rail network.
-
B.
Oyster card
The Oyster card is a rechargeable smartcard used for convenient, cashless payment on public transport services across London.
-
C.
Bilhete Único smart card
The Bilhete Único smart card is São Paulo’s integrated public transport fare card, allowing seamless, discounted transfers across the city’s metro, bus, and train networks.
-
D.
TAP card
The TAP card is a reusable contactless smart card used to pay fares across public transit systems in the Los Angeles County region.
-
E.
Travelcard
Travelcard is a ticketing product used across London’s public transport network, allowing unlimited travel within selected zones on services such as the Underground, buses, and trains.
- 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: National Rail smartcard schemes Triple: [Romsey railway station, hasTicketingSystem, National Rail smartcard schemes]
Generated description
National Rail smartcard schemes are contactless, interoperable ticketing systems used across much of Britain’s rail network to allow passengers to store and use train tickets electronically on smartcards.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: National Rail smartcard schemes Target entity description: National Rail smartcard schemes are contactless, interoperable ticketing systems used across much of Britain’s rail network to allow passengers to store and use train tickets electronically on smartcards.
-
A.
ScotRail smartcard
The ScotRail smartcard is a reusable contactless travel card that allows passengers to store and use train tickets electronically across Scotland’s rail network.
-
B.
Oyster card
The Oyster card is a rechargeable smartcard used for convenient, cashless payment on public transport services across London.
-
C.
Bilhete Único smart card
The Bilhete Único smart card is São Paulo’s integrated public transport fare card, allowing seamless, discounted transfers across the city’s metro, bus, and train networks.
-
D.
TAP card
The TAP card is a reusable contactless smart card used to pay fares across public transit systems in the Los Angeles County region.
-
E.
Travelcard
Travelcard is a ticketing product used across London’s public transport network, allowing unlimited travel within selected zones on services such as the Underground, buses, and trains.
- 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_69c687f522748190b3058405553cdabd |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6ad95c2c88190b800aaaa73f99210 |
completed | March 27, 2026, 4:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6d5204e78819082bf991c2ece09df |
completed | March 27, 2026, 7:06 p.m. |
| NEDg | Description generation | batch_69c6d6aba9688190ada4f921768e314e |
completed | March 27, 2026, 7:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6d830ed6c8190a39126d97a5246d3 |
completed | March 27, 2026, 7:19 p.m. |
Created at: March 27, 2026, 1:45 p.m.