Triple
T2476192
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Euston Underground station |
E55093
|
entity |
| Predicate | ticketingSystem |
P3383
|
FINISHED |
| Object |
Oyster pay as you go
Oyster pay as you go is a contactless, stored-value fare payment system used across London’s public transport network, including the Underground, buses, and some rail services.
|
E270456
|
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: Oyster pay as you go | Statement: [Euston Underground station, ticketingSystem, Oyster pay as you go]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Oyster pay as you go Context triple: [Euston Underground station, ticketingSystem, Oyster pay as you go]
-
A.
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.
-
B.
Opal card
The Opal card is a reusable, contactless smartcard used to pay for public transport across much of New South Wales, Australia.
-
C.
Breeze Card
The Breeze Card is a reusable smart fare card used for paying transit fares across the Metropolitan Atlanta Rapid Transit Authority (MARTA) system in Atlanta, Georgia.
-
D.
Presto card
The Presto card is a reloadable smart card used for paying public transit fares across the Greater Toronto and Hamilton Area and other regions in Ontario, Canada.
-
E.
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.
- 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: Oyster pay as you go Triple: [Euston Underground station, ticketingSystem, Oyster pay as you go]
Generated description
Oyster pay as you go is a contactless, stored-value fare payment system used across London’s public transport network, including the Underground, buses, and some rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Oyster pay as you go Target entity description: Oyster pay as you go is a contactless, stored-value fare payment system used across London’s public transport network, including the Underground, buses, and some rail services.
-
A.
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.
-
B.
Opal card
The Opal card is a reusable, contactless smartcard used to pay for public transport across much of New South Wales, Australia.
-
C.
Breeze Card
The Breeze Card is a reusable smart fare card used for paying transit fares across the Metropolitan Atlanta Rapid Transit Authority (MARTA) system in Atlanta, Georgia.
-
D.
Presto card
The Presto card is a reloadable smart card used for paying public transit fares across the Greater Toronto and Hamilton Area and other regions in Ontario, Canada.
-
E.
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.
- 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_69ab49e279e88190ab10d7248aea9d11 |
completed | March 6, 2026, 9:40 p.m. |
| NER | Named-entity recognition | batch_69abd14dde208190ad4e1c9de5d43b0a |
completed | March 7, 2026, 7:18 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af17ab837881909bf8704acf9598e4 |
completed | March 9, 2026, 6:55 p.m. |
| NEDg | Description generation | batch_69af1a8c7784819088be431513d60325 |
completed | March 9, 2026, 7:07 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69af1b10738881909b296ecd3ff53c1b |
completed | March 9, 2026, 7:10 p.m. |
Created at: March 6, 2026, 9:45 p.m.