Triple
T18631139
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tattenham Corner line |
E455417
|
entity |
| Predicate | hasRouteNumber |
P1864
|
FINISHED |
| Object | Tattenham Corner branch |
—
|
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: Tattenham Corner branch | Statement: [Tattenham Corner line, hasRouteNumber, Tattenham Corner branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tattenham Corner branch Context triple: [Tattenham Corner line, hasRouteNumber, Tattenham Corner branch]
-
A.
Tattenham Corner railway station
Tattenham Corner railway station is a suburban rail station in Surrey, England, best known for serving racegoers attending events at the nearby Epsom Downs Racecourse, including the Epsom Derby.
-
B.
Hawkhurst Branch
The Hawkhurst Branch was a rural railway line in Kent and East Sussex, England, serving small communities and agricultural areas before its mid-20th-century closure.
-
C.
Packards Corner station
Packards Corner station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston neighborhood near the intersection of Commonwealth Avenue and Brighton Avenue.
-
D.
Ockendon branch
The Ockendon branch is a suburban railway line in Essex, England, forming part of the London, Tilbury and Southend route and serving communities including Ockendon.
-
E.
Tattenham Corner line
chosen
The Tattenham Corner line is a suburban railway branch in South London and Surrey, England, running from Purley to Tattenham Corner and serving areas such as Banstead and Epsom Downs.
- 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_69d8d38cc7948190a55ea64e5638994e |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e54f07fa8481908b2535b8fba70b7e |
completed | April 19, 2026, 9:54 p.m. |
Created at: April 10, 2026, 11:46 a.m.