Triple
T5394319
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tumba |
E120611
|
entity |
| Predicate | railLine |
P848
|
FINISHED |
| Object |
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.
|
E517324
|
NE FINISHED |
How this triple was built (4 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: Södertälje line | Statement: [Tumba, railLine, Södertälje line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Södertälje line Context triple: [Tumba, railLine, Södertälje line]
-
A.
Roslagsbanan
Roslagsbanan is a narrow-gauge suburban railway line in the Stockholm region of Sweden that provides commuter rail services to several northern suburbs.
-
B.
Saltsjöbanan
Saltsjöbanan is a suburban railway line in the Stockholm area that connects central Stockholm with the eastern suburbs, including parts of Nacka Municipality.
-
C.
Djurgårdslinjen
Djurgårdslinjen is a heritage tram line in central Stockholm that runs vintage trams primarily serving the Djurgården island and nearby attractions.
-
D.
Ostkustbanan railway line
The Ostkustbanan railway line is a major Swedish rail route running along the country’s east coast, connecting Stockholm with northern regions and serving numerous municipalities along the way.
-
E.
Sjövägen line
The Sjövägen line is a commuter ferry route in Stockholm’s public transport network that connects various waterfront districts across the city.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Södertälje line Triple: [Tumba, railLine, Södertälje line]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Södertälje line Target entity description: 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.
-
A.
Roslagsbanan
Roslagsbanan is a narrow-gauge suburban railway line in the Stockholm region of Sweden that provides commuter rail services to several northern suburbs.
-
B.
Saltsjöbanan
Saltsjöbanan is a suburban railway line in the Stockholm area that connects central Stockholm with the eastern suburbs, including parts of Nacka Municipality.
-
C.
Djurgårdslinjen
Djurgårdslinjen is a heritage tram line in central Stockholm that runs vintage trams primarily serving the Djurgården island and nearby attractions.
-
D.
Ostkustbanan railway line
The Ostkustbanan railway line is a major Swedish rail route running along the country’s east coast, connecting Stockholm with northern regions and serving numerous municipalities along the way.
-
E.
Sjövägen line
The Sjövägen line is a commuter ferry route in Stockholm’s public transport network that connects various waterfront districts across the city.
- F. None of above. chosen
Provenance (5 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_69bd4637b92c8190b815b6443ae4b323 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd87441a208190b79561614759894b |
completed | March 20, 2026, 5:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf336d43a081909ab05d237c297c7b |
completed | March 22, 2026, 12:10 a.m. |
| NEDg | Description generation | batch_69bf33e3b9ac819091cb000a98a505cd |
completed | March 22, 2026, 12:12 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf349a746481909a8ba2a854e29449 |
completed | March 22, 2026, 12:15 a.m. |
Created at: March 20, 2026, 2:04 p.m.