Triple
T409646
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Euston |
E9460
|
entity |
| Predicate | hasAdjacentStation |
P231
|
FINISHED |
| Object |
Euston Underground station
Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
|
E55093
|
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: Euston Underground station | Statement: [London Euston, hasAdjacentStation, Euston Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Euston Underground station Context triple: [London Euston, hasAdjacentStation, Euston Underground station]
-
A.
West End station
West End station is a key Dallas Area Rapid Transit (DART) light rail stop serving the historic West End district in downtown Dallas, Texas.
-
B.
George V metro station
George V metro station is a Paris Métro station on Line 1 located beneath the Avenue des Champs-Élysées, serving one of the city's most famous boulevards.
-
C.
London Bridge railway station
London Bridge railway station is a major central London rail and Underground hub, serving as one of the city’s oldest and busiest commuter interchanges on the south bank of the River Thames.
-
D.
London Euston
London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
-
E.
London Victoria railway station
London Victoria railway station is one of London's busiest central railway termini and transport hubs, serving both mainline and Underground services as a key gateway to the south of England and Gatwick Airport.
- 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: Euston Underground station Triple: [London Euston, hasAdjacentStation, Euston Underground station]
Generated description
Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Euston Underground station Target entity description: Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
-
A.
West End station
West End station is a key Dallas Area Rapid Transit (DART) light rail stop serving the historic West End district in downtown Dallas, Texas.
-
B.
George V metro station
George V metro station is a Paris Métro station on Line 1 located beneath the Avenue des Champs-Élysées, serving one of the city's most famous boulevards.
-
C.
London Bridge railway station
London Bridge railway station is a major central London rail and Underground hub, serving as one of the city’s oldest and busiest commuter interchanges on the south bank of the River Thames.
-
D.
London Euston
London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
-
E.
London Victoria railway station
London Victoria railway station is one of London's busiest central railway termini and transport hubs, serving both mainline and Underground services as a key gateway to the south of England and Gatwick Airport.
- 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_69a2e80111fc8190961d5b7c6154123f |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2ecc098c4819088d127c5ea55ced9 |
completed | Feb. 28, 2026, 1:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a43667f180819099661c2cc5d8b188 |
completed | March 1, 2026, 12:51 p.m. |
| NEDg | Description generation | batch_69a436e9fc9081909faf007c593e9537 |
completed | March 1, 2026, 12:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a43755152881909a4dfa8b31a0aad6 |
completed | March 1, 2026, 12:55 p.m. |
Created at: Feb. 28, 2026, 1:08 p.m.