Triple
T19281527
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Didcot–Oxford line |
E482198
|
entity |
| Predicate | connectsToLineAtDidcot |
P35426
|
FINISHED |
| Object | Great Western Main 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: Great Western Main Line | Statement: [Didcot–Oxford line, connectsToLineAtDidcot, Great Western Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Western Main Line Context triple: [Didcot–Oxford line, connectsToLineAtDidcot, Great Western Main Line]
-
A.
Great Western Main Line
chosen
The Great Western Main Line is a major intercity railway route in England that connects London with key cities in the west, including Bristol and South Wales.
-
B.
Western Main Line
The Western Main Line is one of Sweden’s principal railway routes, connecting Stockholm with major cities to the west and south, and serving as a key corridor for both passenger and freight traffic.
-
C.
Ou Main Line
The Ōu Main Line is a major Japanese railway route in the Tōhoku region that runs roughly north–south through Honshu, connecting key cities including Aomori.
-
D.
Culver Line
The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
-
E.
Southern Main Line
The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: connectsToLineAtDidcot Context triple: [Didcot–Oxford line, connectsToLineAtDidcot, Great Western Main Line]
-
A.
connectsToMainLineAt
chosen
Indicates that one entity is linked or joined to a primary or central line at a specific point.
-
B.
servedByOvergroundLine
Indicates that a location or facility is connected to and receives service from an Overground railway line.
-
C.
isOnPiccadillyLineBranch
Indicates that something (typically a station or track segment) lies on a branch of the Piccadilly Line rather than on its main central section.
-
D.
adjacentStationOnWatfordDCLine
Indicates that one station is directly next to another station along the Watford DC railway line, with no intermediate stations between them.
-
E.
ElizabethLinePlatformsOpened
Indicates that the platforms associated with the Elizabeth Line have been officially opened for public use.
- F. None of above.
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_69d8e8cf61b0819096fe3e4107827c4e |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fbff1e6c819094ae6a5ad40adb65 |
completed | April 20, 2026, 10:12 a.m. |
| PD | Predicate disambiguation | batch_69e4dd07a7208190afcd51ba1dc87c33 |
completed | April 19, 2026, 1:47 p.m. |
Created at: April 10, 2026, 1:30 p.m.