Triple
T21878582
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Abbey Line |
E540216
|
entity |
| Predicate | hasAlternativeName |
P39
|
FINISHED |
| Object | Watford–St Albans line |
—
|
NE NERFINISHED |
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: Watford–St Albans line | Statement: [Abbey Line, hasAlternativeName, Watford–St Albans line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Watford–St Albans line Context triple: [Abbey Line, hasAlternativeName, Watford–St Albans line]
-
A.
London Moorgate–Hertford North line
The London Moorgate–Hertford North line is a suburban commuter rail route in North London and Hertfordshire linking central London’s Moorgate station with Hertford North via intermediate stops such as Gordon Hill.
-
B.
Hertford Loop Line
The Hertford Loop Line is a suburban railway route in Hertfordshire and north London that provides an alternative path to the East Coast Main Line, linking London with Hertford and intermediate commuter towns.
-
C.
North Downs Line
The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
-
D.
Romford–Upminster line
The Romford–Upminster line is a short suburban railway in east London linking Romford and Upminster, operated as part of the London Overground network.
-
E.
Slough–Windsor & Eton line
The Slough–Windsor & Eton line is a short branch railway in Berkshire, England, connecting Slough on the Great Western Main Line with the town of Windsor and its Windsor & Eton Central terminus.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Watford–St Albans line Target entity description: The Watford–St Albans line is a short suburban railway in Hertfordshire, England, linking Watford Junction with St Albans Abbey and primarily serving local commuter and regional passenger traffic.
-
A.
London Moorgate–Hertford North line
The London Moorgate–Hertford North line is a suburban commuter rail route in North London and Hertfordshire linking central London’s Moorgate station with Hertford North via intermediate stops such as Gordon Hill.
-
B.
Hertford Loop Line
The Hertford Loop Line is a suburban railway route in Hertfordshire and north London that provides an alternative path to the East Coast Main Line, linking London with Hertford and intermediate commuter towns.
-
C.
North Downs Line
The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
-
D.
Romford–Upminster line
The Romford–Upminster line is a short suburban railway in east London linking Romford and Upminster, operated as part of the London Overground network.
-
E.
Slough–Windsor & Eton line
The Slough–Windsor & Eton line is a short branch railway in Berkshire, England, connecting Slough on the Great Western Main Line with the town of Windsor and its Windsor & Eton Central terminus.
- F. None of above. chosen
Provenance (2 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_69e0c479a98081908ce333853fdd4348 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f118e42c108190b6308016655c429e |
completed | April 28, 2026, 8:30 p.m. |
Created at: April 16, 2026, 7:03 p.m.