Triple
T18493024
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Exeter Queen Street railway station |
E451864
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Exeter–Waterloo route |
—
|
NE NERFINISHED |
How this triple was built (2 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: Exeter–Waterloo route | Statement: [Exeter Queen Street railway station, railwayLine, Exeter–Waterloo route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Exeter–Waterloo route Context triple: [Exeter Queen Street railway station, railwayLine, Exeter–Waterloo route]
-
A.
Exeter–Waterloo route
chosen
The Exeter–Waterloo route is a mainline railway service in southern England linking Exeter with London Waterloo via towns in Devon, Somerset, Wiltshire, and Hampshire.
-
B.
Salisbury–Exeter route
The Salisbury–Exeter route is a key railway line in southwest England linking Salisbury in Wiltshire with Exeter in Devon, serving towns across the West Country.
-
C.
Cambridge–Brighton route
The Cambridge–Brighton route is a cross-London commuter and regional rail service linking Cambridge in the north with Brighton on the south coast via central London.
-
D.
Plymouth Line
The Plymouth Line is a commuter rail route in Massachusetts that connects Boston with the town of Plymouth as part of the MBTA’s Old Colony Lines network.
-
E.
Wessex Route
Wessex Route is a major rail operating area in southern England that manages and oversees key passenger and freight railway lines, including routes around Southampton and Portsmouth.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8d3855d50819097fc8561b0299dd9 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e532be5e988190aae93a66f6e5f857 |
completed | April 19, 2026, 7:53 p.m. |
Created at: April 10, 2026, 11:35 a.m.