Triple
T4364441
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Preveza |
E98737
|
entity |
| Predicate | connectedBy |
P37
|
FINISHED |
| Object |
Preveza–Aktion underwater tunnel
The Preveza–Aktion underwater tunnel is a submerged road tunnel in western Greece that provides a direct vehicular link beneath the Ambracian Gulf between the town of Preveza and the Aktion area.
|
E432517
|
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: Preveza–Aktion underwater tunnel | Statement: [Preveza, connectedBy, Preveza–Aktion underwater tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Preveza–Aktion underwater tunnel Context triple: [Preveza, connectedBy, Preveza–Aktion underwater tunnel]
-
A.
Finnfast subsea tunnel
The Finnfast subsea tunnel is an undersea road tunnel system in Rogaland, Norway, that connects the island of Finnøy and surrounding islands to the mainland.
-
B.
Eurasia Tunnel
The Eurasia Tunnel is an underwater road tunnel in Istanbul that connects the European and Asian sides of the city, easing transcontinental traffic beneath the Bosporus Strait.
-
C.
Elbe Tunnel (Hamburg)
The Elbe Tunnel in Hamburg is a major underwater road tunnel beneath the River Elbe that forms a key traffic artery connecting the northern and southern parts of the city.
-
D.
Piet Hein Tunnel
The Piet Hein Tunnel is a major road and tram tunnel in Amsterdam that connects the city center with the Eastern Docklands and the A10 ring road.
-
E.
Velsertunnel
The Velsertunnel is a major road and rail tunnel in the Netherlands that runs beneath the North Sea Canal near Velsen, providing a key connection between the regions north and south of the canal.
- 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: Preveza–Aktion underwater tunnel Triple: [Preveza, connectedBy, Preveza–Aktion underwater tunnel]
Generated description
The Preveza–Aktion underwater tunnel is a submerged road tunnel in western Greece that provides a direct vehicular link beneath the Ambracian Gulf between the town of Preveza and the Aktion area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Preveza–Aktion underwater tunnel Target entity description: The Preveza–Aktion underwater tunnel is a submerged road tunnel in western Greece that provides a direct vehicular link beneath the Ambracian Gulf between the town of Preveza and the Aktion area.
-
A.
Finnfast subsea tunnel
The Finnfast subsea tunnel is an undersea road tunnel system in Rogaland, Norway, that connects the island of Finnøy and surrounding islands to the mainland.
-
B.
Eurasia Tunnel
The Eurasia Tunnel is an underwater road tunnel in Istanbul that connects the European and Asian sides of the city, easing transcontinental traffic beneath the Bosporus Strait.
-
C.
Elbe Tunnel (Hamburg)
The Elbe Tunnel in Hamburg is a major underwater road tunnel beneath the River Elbe that forms a key traffic artery connecting the northern and southern parts of the city.
-
D.
Piet Hein Tunnel
The Piet Hein Tunnel is a major road and tram tunnel in Amsterdam that connects the city center with the Eastern Docklands and the A10 ring road.
-
E.
Velsertunnel
The Velsertunnel is a major road and rail tunnel in the Netherlands that runs beneath the North Sea Canal near Velsen, providing a key connection between the regions north and south of the canal.
- 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_69b3454c772081908e20173e379e8ebe |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b351fea3e88190807b99868982c491 |
completed | March 12, 2026, 11:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5dbc925d881909fac944bc7ce5407 |
completed | March 14, 2026, 10:06 p.m. |
| NEDg | Description generation | batch_69b5dc587b108190a8e3da0fde98a7ce |
completed | March 14, 2026, 10:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5dcbf4d5081908d24bce8e2769124 |
completed | March 14, 2026, 10:10 p.m. |
Created at: March 12, 2026, 11:16 p.m.