Triple
T20492302
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Istanbul–Ankara railway |
E502774
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Turkish State Railways |
—
|
NE NERFINISHED |
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: Turkish State Railways | Statement: [Istanbul–Ankara railway, operator, Turkish State Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Turkish State Railways Context triple: [Istanbul–Ankara railway, operator, Turkish State Railways]
-
A.
Turkish State Railways
chosen
Turkish State Railways is Turkey’s national railway company, responsible for operating and maintaining the country’s rail transport network, including high-speed train services.
-
B.
Anatolian Railway Company
The Anatolian Railway Company was a late 19th-century railway enterprise that developed and operated key rail lines in the Ottoman Empire, particularly across Anatolia.
-
C.
TCDD Teknik
TCDD Teknik is a Turkish railway engineering and technical services company that operates as a subsidiary of the national rail operator.
-
D.
İstanbul Elektrik Tramvay ve Tünel İşletmeleri
İstanbul Elektrik Tramvay ve Tünel İşletmeleri is the public agency responsible for operating Istanbul’s city buses, trams, and the historic Tünel funicular system.
-
E.
Ankara commuter rail (Başkentray)
Ankara commuter rail (Başkentray) is a suburban rail system serving the Ankara metropolitan area, providing frequent, high-capacity passenger service along key east–west corridors.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b4b0373881909dd3e9387f82eab4 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e69cba5b708190bef437acf6321b81 |
completed | April 20, 2026, 9:38 p.m. |
Created at: April 16, 2026, 11:35 a.m.