Triple
T16868120
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Turkish State Railways |
E410096
|
entity |
| Predicate | mainHub |
P423
|
FINISHED |
| Object | İstanbul Haydarpaşa station |
E163538
|
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: İstanbul Haydarpaşa station | Statement: [Turkish State Railways, mainHub, İstanbul Haydarpaşa station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: İstanbul Haydarpaşa station Context triple: [Turkish State Railways, mainHub, İstanbul Haydarpaşa station]
-
A.
Sirkeci Railway Station
Sirkeci Railway Station is a historic Istanbul terminus, best known as the former eastern endpoint of the Orient Express and a notable example of late 19th-century Ottoman Revival architecture.
-
B.
Haydarpaşa Railway Station
chosen
Haydarpaşa Railway Station is a historic waterfront terminus in Istanbul renowned for its grand neo-classical architecture and its former role as a major rail gateway between Europe and Asia.
-
C.
Ankara railway station
Ankara railway station is the central rail hub of Turkey’s capital city, serving intercity, high-speed, and commuter trains including the Başkentray system.
-
D.
Marmaray Üsküdar station
Marmaray Üsküdar station is a major underground rail hub on Istanbul’s Asian side, serving the cross-Bosphorus Marmaray line and providing easy access to the historic Üsküdar waterfront.
-
E.
Fahrettin Altay station
Fahrettin Altay station is a major western terminus and transfer hub on the İzmir Metro system in İzmir, Turkey.
- 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_69d88395e6c88190b22730f335107c14 |
completed | April 10, 2026, 4:59 a.m. |
| NER | Named-entity recognition | batch_69e3b50a82348190b3e33fd558aa3c7f |
completed | April 18, 2026, 4:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00cfc531c881908a33de8b491842ca |
completed | May 10, 2026, 6:34 p.m. |
Created at: April 10, 2026, 5:24 a.m.