Triple
T5441862
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Finnish railway network |
E122151
|
entity |
| Predicate | hasHighSpeedSection |
P48478
|
FINISHED |
| Object |
Helsinki–Lahti line
The Helsinki–Lahti line is a major Finnish railway route that serves as the country’s primary high-speed corridor between the capital region and eastern Finland.
|
E520639
|
NE FINISHED |
How this triple was built (5 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: Helsinki–Lahti line | Statement: [Finnish railway network, hasHighSpeedSection, Helsinki–Lahti line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Helsinki–Lahti line Context triple: [Finnish railway network, hasHighSpeedSection, Helsinki–Lahti line]
-
A.
Helsinki–Riihimäki railway
The Helsinki–Riihimäki railway is a major Finnish rail line forming part of the main route north from Helsinki, serving numerous commuter and long-distance trains.
-
B.
Stockholm–Uppsala railway corridor
The Stockholm–Uppsala railway corridor is a major rail line in eastern Sweden that connects the capital city Stockholm with the university city of Uppsala, serving as a key commuter and intercity transport route.
-
C.
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.
-
D.
Bergslagen Line
The Bergslagen Line is a Swedish railway route running through the historic Bergslagen mining and industrial region, connecting several towns in central Sweden.
-
E.
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.
- 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: Helsinki–Lahti line Triple: [Finnish railway network, hasHighSpeedSection, Helsinki–Lahti line]
Generated description
The Helsinki–Lahti line is a major Finnish railway route that serves as the country’s primary high-speed corridor between the capital region and eastern Finland.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Helsinki–Lahti line Target entity description: The Helsinki–Lahti line is a major Finnish railway route that serves as the country’s primary high-speed corridor between the capital region and eastern Finland.
-
A.
Helsinki–Riihimäki railway
The Helsinki–Riihimäki railway is a major Finnish rail line forming part of the main route north from Helsinki, serving numerous commuter and long-distance trains.
-
B.
Stockholm–Uppsala railway corridor
The Stockholm–Uppsala railway corridor is a major rail line in eastern Sweden that connects the capital city Stockholm with the university city of Uppsala, serving as a key commuter and intercity transport route.
-
C.
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.
-
D.
Bergslagen Line
The Bergslagen Line is a Swedish railway route running through the historic Bergslagen mining and industrial region, connecting several towns in central Sweden.
-
E.
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.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasHighSpeedSection Context triple: [Finnish railway network, hasHighSpeedSection, Helsinki–Lahti line]
-
A.
hasHighSpeedLine
chosen
Indicates that there exists a high-speed rail line connection between the related entities.
-
B.
hasExpresswaySection
Indicates that an entity includes, contains, or is associated with a specific section or segment of an expressway.
-
C.
hasUnrestrictedSpeedSection
Indicates that a route or roadway segment includes a section where no specific maximum speed limit is imposed.
-
D.
hasSectionWithSpeedLimit
Indicates that an entity includes a segment or portion where a specific speed limit is in effect.
-
E.
hasHighSpeedRailStation
Indicates that a location is served by a high-speed rail station where high-speed trains regularly stop.
- F. None of above.
Provenance (6 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_69bd46400768819092925d461c0b8432 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd922f66bc8190b7d47fd68d2fcf2e |
completed | March 20, 2026, 6:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf412daa408190a46926f28339aeac |
completed | March 22, 2026, 1:09 a.m. |
| NEDg | Description generation | batch_69bf4261735881909c16322af1156d67 |
completed | March 22, 2026, 1:14 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf42b97d40819087a98c1cc58bb964 |
completed | March 22, 2026, 1:15 a.m. |
| PD | Predicate disambiguation | batch_69bd919aeb048190b786f814177d6cd9 |
completed | March 20, 2026, 6:27 p.m. |
Created at: March 20, 2026, 2:07 p.m.