Triple
T21002301
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tumba station |
E517323
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Mälartåg |
—
|
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: Mälartåg | Statement: [Tumba station, operator, Mälartåg]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mälartåg Context triple: [Tumba station, operator, Mälartåg]
-
A.
Mälartåg
chosen
Mälartåg is a regional train operator in Sweden that provides passenger rail services across the Mälardalen region, including connections via Arlanda Central Station.
-
B.
Vy Tåg
Vy Tåg is a Swedish train operating company that runs regional and long-distance passenger rail services, including routes serving Arlanda Central Station.
-
C.
Saltsjöbanan
Saltsjöbanan is a suburban railway line in the Stockholm area that connects central Stockholm with the eastern suburbs, including parts of Nacka Municipality.
-
D.
Södertälje line
The Södertälje line is a Swedish railway route in the Stockholm area that connects several southern suburbs and towns, including Tumba, with Södertälje and the broader regional rail network.
-
E.
Mittbanan
Mittbanan is a railway line in central Sweden that runs between Sundsvall and the Norwegian border, forming an important cross-border connection toward Trondheim.
- 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_69e0b50192308190a284fcc89dd23a49 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e6fc38b8688190860fba1b58e1b3e6 |
completed | April 21, 2026, 4:25 a.m. |
Created at: April 16, 2026, 1:52 p.m.