Triple
T21273535
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bergensbanen |
E524327
|
entity |
| Predicate | hasTunnel |
P21069
|
FINISHED |
| Object |
Gravhals Tunnel
Gravhals Tunnel is a railway tunnel on Norway’s Bergensbanen line, carrying trains through mountainous terrain between Eastern and Western Norway.
|
E1474903
|
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: Gravhals Tunnel | Statement: [Bergensbanen, hasTunnel, Gravhals Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gravhals Tunnel Context triple: [Bergensbanen, hasTunnel, Gravhals Tunnel]
-
A.
Vallavik Tunnel
Vallavik Tunnel is a road tunnel in western Norway that forms part of the regional highway network connecting to the Hardanger Bridge.
-
B.
Eiksund Tunnel
The Eiksund Tunnel is a deep undersea road tunnel in western Norway that links islands in Møre og Romsdal county to the mainland as part of the regional highway network.
-
C.
Gudvanga Tunnel
Gudvanga Tunnel is a major road tunnel in western Norway, known as one of the country's longest tunnels and a key part of the E16 route through the fjord region.
-
D.
Drogden Tunnel
The Drogden Tunnel is an underwater road and rail tunnel beneath the Øresund Strait that forms the submerged section of the fixed link between Denmark and Sweden.
-
E.
Lærdal Tunnel
The Lærdal Tunnel is a 24.5-kilometer road tunnel in Norway, renowned as one of the world's longest road tunnels and a key link between Oslo and Bergen.
- 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: Gravhals Tunnel Triple: [Bergensbanen, hasTunnel, Gravhals Tunnel]
Generated description
Gravhals Tunnel is a railway tunnel on Norway’s Bergensbanen line, carrying trains through mountainous terrain between Eastern and Western Norway.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gravhals Tunnel Target entity description: Gravhals Tunnel is a railway tunnel on Norway’s Bergensbanen line, carrying trains through mountainous terrain between Eastern and Western Norway.
-
A.
Vallavik Tunnel
Vallavik Tunnel is a road tunnel in western Norway that forms part of the regional highway network connecting to the Hardanger Bridge.
-
B.
Eiksund Tunnel
The Eiksund Tunnel is a deep undersea road tunnel in western Norway that links islands in Møre og Romsdal county to the mainland as part of the regional highway network.
-
C.
Gudvanga Tunnel
Gudvanga Tunnel is a major road tunnel in western Norway, known as one of the country's longest tunnels and a key part of the E16 route through the fjord region.
-
D.
Drogden Tunnel
The Drogden Tunnel is an underwater road and rail tunnel beneath the Øresund Strait that forms the submerged section of the fixed link between Denmark and Sweden.
-
E.
Lærdal Tunnel
The Lærdal Tunnel is a 24.5-kilometer road tunnel in Norway, renowned as one of the world's longest road tunnels and a key link between Oslo and Bergen.
- 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_69e0b516293c819089458ea2ec85f85e |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e73655717c819092f71ed1920f52b5 |
completed | April 21, 2026, 8:33 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a099006e7c081908aceb2a0574de81e |
completed | May 17, 2026, 9:53 a.m. |
| NEDg | Description generation | batch_6a0990b9b7c8819094f7db294c2e573d |
completed | May 17, 2026, 9:56 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0991cdf6408190a590d8907f2fe880 |
completed | May 17, 2026, 10 a.m. |
Created at: April 16, 2026, 4:01 p.m.