Triple
T4671440
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southern Railway (UK) |
E102970
|
entity |
| Predicate | operated line |
P15252
|
FINISHED |
| Object | Waterloo to Exeter route |
E252573
|
NE FINISHED |
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: Waterloo to Exeter route | Statement: [Southern Railway (UK), operated line, Waterloo to Exeter route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Waterloo to Exeter route Context triple: [Southern Railway (UK), operated line, Waterloo to Exeter route]
-
A.
Waterloo to Exeter Line
chosen
The Waterloo to Exeter Line is a major railway route in southern England connecting London with Exeter via towns in Surrey, Hampshire, and Dorset.
-
B.
Anglia Route
Anglia Route is a major rail network area in eastern England that encompasses key passenger and freight lines, including the West Anglia Main Line, managed as part of the region’s railway infrastructure.
-
C.
Waterloo to Southampton main line
The Waterloo to Southampton main line is a key railway route in southern England linking London Waterloo with the port city of Southampton, serving major commuter and intercity traffic.
-
D.
Waverley Route
The Waverley Route was a historic railway line in Scotland that connected Edinburgh to Carlisle through the Scottish Borders, renowned for its scenic landscapes and later partial revival as the Borders Railway.
-
E.
A3 London–Portsmouth route
The A3 London–Portsmouth route is a major trunk road in southern England linking the capital with the port city of Portsmouth.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd43d9cba4819086c1ab1c2d9d2133 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd6c3d1cb88190a42919dcbfe2568c |
completed | March 20, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be039538048190b4075daf47355cee |
completed | March 21, 2026, 2:33 a.m. |
Created at: March 20, 2026, 1:15 p.m.