Triple
T2634349
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jubilee line extension |
E59708
|
entity |
| Predicate | includesStation |
P33789
|
FINISHED |
| Object | Canada Water Underground station |
E256319
|
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: Canada Water Underground station | Statement: [Jubilee line extension, includesStation, Canada Water Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Canada Water Underground station Context triple: [Jubilee line extension, includesStation, Canada Water Underground station]
-
A.
Canada Water station
chosen
Canada Water station is a key London transport hub in southeast London, serving both the London Overground and the Jubilee line with extensive interchange facilities.
-
B.
Alewife station
Alewife station is a major Boston-area transit hub that serves as the northern terminus of the MBTA Red Line and a key connection point for numerous bus routes.
-
C.
Waterloo station
Waterloo station is a major central London railway terminus and Underground hub, known as one of the busiest transport interchanges in the United Kingdom.
-
D.
High Park subway station
High Park subway station is a stop on Toronto’s Line 2 Bloor–Danforth subway, serving the High Park neighborhood and providing access to the adjacent High Park.
-
E.
Toronto subway
The Toronto subway is the primary rapid transit system in Toronto, Ontario, consisting of multiple underground and elevated lines that serve as the backbone of the city’s public transportation network.
- 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_69ab4ac8596c8190b34997e73d9e991c |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abdd1ca0248190aa15f80b2798524e |
completed | March 7, 2026, 8:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af90ac94d48190b3138abac9934ec8 |
completed | March 10, 2026, 3:31 a.m. |
Created at: March 6, 2026, 9:50 p.m.