Triple
T2476201
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Euston Underground station |
E55093
|
entity |
| Predicate | farePaymentSystem |
P8545
|
FINISHED |
| Object | Travelcard |
E59709
|
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: Travelcard | Statement: [Euston Underground station, farePaymentSystem, Travelcard]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Travelcard Context triple: [Euston Underground station, farePaymentSystem, Travelcard]
-
A.
Travelcard
chosen
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.
-
B.
Oyster card
The Oyster card is a rechargeable smartcard used for convenient, cashless payment on public transport services across London.
-
C.
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.
-
D.
Transit Access Pass
Transit Access Pass is a reusable smart fare card used for paying transit fares across participating public transportation systems.
-
E.
ORCA card
The ORCA card is a reusable, contactless smart card used to pay fares across multiple public transit systems in the Puget Sound region of Washington State.
- 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: farePaymentSystem Context triple: [Euston Underground station, farePaymentSystem, Travelcard]
-
A.
paymentSystem
Indicates a relationship where one entity functions as a mechanism or platform through which another entity makes or processes payments.
-
B.
fareIntegration
chosen
Indicates that multiple transportation services or modes share a coordinated fare system, allowing passengers to use a single payment or ticket across them.
-
C.
paymentMethod
Indicates the means or instrument through which a payment is made in a transaction.
-
D.
paymentFormFactor
Indicates the specific method or medium through which a payment is made or presented (e.g., card, mobile wallet, cash).
-
E.
settlementSystem
Indicates a relationship where a settlement is organized, governed, or structured according to a particular administrative or territorial system.
- 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_69ab49e279e88190ab10d7248aea9d11 |
completed | March 6, 2026, 9:40 p.m. |
| NER | Named-entity recognition | batch_69abd1eb3be481908fa7c6b8f1c78209 |
completed | March 7, 2026, 7:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af17ab837881909bf8704acf9598e4 |
completed | March 9, 2026, 6:55 p.m. |
| PD | Predicate disambiguation | batch_69abd0b5e3d481909a5cbc4a96edd24f |
completed | March 7, 2026, 7:16 a.m. |
Created at: March 6, 2026, 9:45 p.m.