Triple
T10857856
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Silverlink Metro |
E256315
|
entity |
| Predicate | operatedLocalStoppingServicesBetween |
P5884
|
FINISHED |
| Object |
Watford Junction and London Euston
Watford Junction and London Euston are key stations on the West Coast Main Line in England, forming a busy commuter and intercity rail corridor between Hertfordshire and central London.
|
E786543
|
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: Watford Junction and London Euston | Statement: [Silverlink Metro, operatedLocalStoppingServicesBetween, Watford Junction and London Euston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Watford Junction and London Euston Context triple: [Silverlink Metro, operatedLocalStoppingServicesBetween, Watford Junction and London Euston]
-
A.
Watford Junction railway station
Watford Junction railway station is a major rail hub in Hertfordshire, England, providing regional, commuter, and long-distance services including routes to London and the Midlands.
-
B.
London Euston
London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
-
C.
Watford Junction
Watford Junction is a major railway station and transport hub in Watford, Hertfordshire, providing key commuter and intercity connections to London and other destinations.
-
D.
Euston
Euston is a small rural village and civil parish in Suffolk, England, known for its historic Euston Hall and surrounding estate.
-
E.
Enfield station
Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
- 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: Watford Junction and London Euston Triple: [Silverlink Metro, operatedLocalStoppingServicesBetween, Watford Junction and London Euston]
Generated description
Watford Junction and London Euston are key stations on the West Coast Main Line in England, forming a busy commuter and intercity rail corridor between Hertfordshire and central London.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Watford Junction and London Euston Target entity description: Watford Junction and London Euston are key stations on the West Coast Main Line in England, forming a busy commuter and intercity rail corridor between Hertfordshire and central London.
-
A.
Watford Junction railway station
Watford Junction railway station is a major rail hub in Hertfordshire, England, providing regional, commuter, and long-distance services including routes to London and the Midlands.
-
B.
London Euston
London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
-
C.
Watford Junction
chosen
Watford Junction is a major railway station and transport hub in Watford, Hertfordshire, providing key commuter and intercity connections to London and other destinations.
-
D.
Euston
Euston is a small rural village and civil parish in Suffolk, England, known for its historic Euston Hall and surrounding estate.
-
E.
Enfield station
Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: operatedLocalStoppingServicesBetween Context triple: [Silverlink Metro, operatedLocalStoppingServicesBetween, Watford Junction and London Euston]
-
A.
canStopService
Indicates that an entity has the authority or capability to terminate or halt a particular service.
-
B.
operatedUntil
Indicates that an entity continued to function or be in operation up to a specified end time or date.
-
C.
governedForLocalServicesBy
Indicates that an entity’s local services are administered, managed, or overseen by a specified governing authority or body.
-
D.
operatedAmong
Indicates that an entity carried out operations or activities within, or in coordination with, a specified group, set, or collection of other entities.
-
E.
operatesService
chosen
Indicates that an agent runs, manages, or provides a particular service.
- 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_69d6aa83d1448190a66d93c32394d21f |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d751377da88190a7244bb9d6b0c2ec |
completed | April 9, 2026, 7:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e154c05bf081909d1892c6c81a5f2c |
completed | April 16, 2026, 9:29 p.m. |
| NEDg | Description generation | batch_69e17d3060888190b3801272835b939a |
completed | April 17, 2026, 12:22 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e1806bc1048190bcbff6f6d3d7da19 |
completed | April 17, 2026, 12:35 a.m. |
| PD | Predicate disambiguation | batch_69d70d308dfc81908792f98cfb871392 |
completed | April 9, 2026, 2:21 a.m. |
Created at: April 8, 2026, 9:20 p.m.