Triple
T17118555
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kivenlahti station |
E415402
|
entity |
| Predicate | isPartOfProject |
P14971
|
FINISHED |
| Object | Länsimetro extension |
E412715
|
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: Länsimetro extension | Statement: [Kivenlahti station, isPartOfProject, Länsimetro extension]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Länsimetro extension Context triple: [Kivenlahti station, isPartOfProject, Länsimetro extension]
-
A.
Länsimetro
chosen
Länsimetro is a major westward extension of the Helsinki Metro that connects central Helsinki with the neighboring city of Espoo through a series of new underground stations.
-
B.
Red Line Northwest Extension corridor
The Red Line Northwest Extension corridor is a planned expansion route of Boston's MBTA Red Line intended to extend rapid transit service northwest from its current terminus.
-
C.
Southwest LRT Green Line extension
The Southwest LRT Green Line extension is a planned light rail transit project in the Minneapolis–Saint Paul metropolitan area that will expand the existing Green Line service to connect downtown Minneapolis with southwestern suburbs including Eden Prairie.
-
D.
Green Line southern extension
The Green Line southern extension is a Washington Metro expansion project that extended the Green Line further into the suburbs of Prince George's County, Maryland, adding several new stations beyond its previous terminus.
-
E.
Pittsburgh Light Rail North Shore extension
The Pittsburgh Light Rail North Shore extension is a light rail project that expanded service from downtown Pittsburgh to the city’s North Shore, improving transit access to major sports and entertainment venues along the Allegheny River.
- 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_69d886d090cc8190a39cb94992586905 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3e8086a388190a655a044feccab14 |
completed | April 18, 2026, 8:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a014147db18819083e6cfbb597687c1 |
completed | May 11, 2026, 2:39 a.m. |
Created at: April 10, 2026, 5:35 a.m.