Triple
T9815472
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sakarya Province |
E238390
|
entity |
| Predicate | transportInfrastructure |
P1777
|
FINISHED |
| Object | Istanbul–Ankara railway |
E502774
|
NE FINISHED |
How this triple was built (2 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: Istanbul–Ankara railway | Statement: [Sakarya Province, transportInfrastructure, Istanbul–Ankara railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Istanbul–Ankara railway Context triple: [Sakarya Province, transportInfrastructure, Istanbul–Ankara railway]
-
A.
Istanbul–Ankara railway
chosen
The Istanbul–Ankara railway is a major rail corridor in Turkey that connects the country’s largest city, Istanbul, with its capital, Ankara, serving as a key route for both passenger and freight transport.
-
B.
Ankara–Konya high-speed railway
The Ankara–Konya high-speed railway is a major Turkish high-speed rail corridor connecting the capital Ankara with the central Anatolian city of Konya, significantly reducing travel times between the two.
-
C.
Turkish railway network
The Turkish railway network is a nationwide system of rail lines that links major cities, industrial centers, and ports across Turkey, forming a key component of the country’s transportation infrastructure.
-
D.
Northern Marmara Motorway
The Northern Marmara Motorway is a major Turkish highway encircling Istanbul on the northern side, designed to ease traffic congestion and improve transit between Europe and Asia.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca84dfde1481909f47c286d715f892 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb2f341648190bf8343e1124085cb |
completed | April 2, 2026, 12:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1cc6c64dc8190979be34255dc22e5 |
completed | April 5, 2026, 2:43 a.m. |
Created at: March 30, 2026, 8:30 p.m.