Triple
T1136361
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bosporus |
E23148
|
entity |
| Predicate | crossedBy |
P416
|
FINISHED |
| Object |
Marmaray rail tunnel
The Marmaray rail tunnel is an undersea railway tunnel in Istanbul that connects the European and Asian sides of the city beneath the Bosporus Strait.
|
E130705
|
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: Marmaray rail tunnel | Statement: [Bosporus, crossedBy, Marmaray rail tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Marmaray rail tunnel Context triple: [Bosporus, crossedBy, Marmaray rail tunnel]
-
A.
Al Shindagha Tunnel
Al Shindagha Tunnel is a major underwater road tunnel in Dubai that carries vehicular traffic beneath Dubai Creek, connecting the historic districts of the city.
-
B.
Tunca Bridge
Tunca Bridge is a historic Ottoman-era stone bridge spanning the Tunca River in Edirne, Turkey.
-
C.
Yavuz Sultan Selim Bridge
Yavuz Sultan Selim Bridge is a modern suspension bridge spanning the Bosphorus Strait in Istanbul, serving both road and rail traffic and symbolizing the city's connection between Europe and Asia.
-
D.
Meriç Bridge
Meriç Bridge is a historic Ottoman-era stone bridge spanning the Maritsa (Meriç) River in Edirne, Turkey, known for its elegant arches and scenic views.
-
E.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
- 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: Marmaray rail tunnel Triple: [Bosporus, crossedBy, Marmaray rail tunnel]
Generated description
The Marmaray rail tunnel is an undersea railway tunnel in Istanbul that connects the European and Asian sides of the city beneath the Bosporus Strait.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Marmaray rail tunnel Target entity description: The Marmaray rail tunnel is an undersea railway tunnel in Istanbul that connects the European and Asian sides of the city beneath the Bosporus Strait.
-
A.
Al Shindagha Tunnel
Al Shindagha Tunnel is a major underwater road tunnel in Dubai that carries vehicular traffic beneath Dubai Creek, connecting the historic districts of the city.
-
B.
Tunca Bridge
Tunca Bridge is a historic Ottoman-era stone bridge spanning the Tunca River in Edirne, Turkey.
-
C.
Yavuz Sultan Selim Bridge
Yavuz Sultan Selim Bridge is a modern suspension bridge spanning the Bosphorus Strait in Istanbul, serving both road and rail traffic and symbolizing the city's connection between Europe and Asia.
-
D.
Meriç Bridge
Meriç Bridge is a historic Ottoman-era stone bridge spanning the Maritsa (Meriç) River in Edirne, Turkey, known for its elegant arches and scenic views.
-
E.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
- 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_69a493ec75988190b63a11bafaec29b4 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4bc2300c481908c60fbb1188c37c5 |
completed | March 1, 2026, 10:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac59ae5f20819093f8acc3ba7a6638 |
completed | March 7, 2026, 5 p.m. |
| NEDg | Description generation | batch_69ac5b5e2c688190a7d4998a3ed0f443 |
completed | March 7, 2026, 5:07 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac5bb6e78c8190a34ecbc246f72ff6 |
completed | March 7, 2026, 5:09 p.m. |
Created at: March 1, 2026, 7:44 p.m.