Triple
T22358556
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Istanbul commuter rail network |
E552719
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | TCDD Taşımacılık |
—
|
NE NERFINISHED |
How this triple was built (3 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: TCDD Taşımacılık | Statement: [Istanbul commuter rail network, operator, TCDD Taşımacılık]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: TCDD Taşımacılık Context triple: [Istanbul commuter rail network, operator, TCDD Taşımacılık]
-
A.
TCDD Teknik
TCDD Teknik is a Turkish railway engineering and technical services company that operates as a subsidiary of the national rail operator.
-
B.
Turkish State Railways
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.
-
C.
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.
-
D.
TCDD HT80000
TCDD HT80000 is a class of high-speed electric multiple unit trains operated by the Turkish State Railways for passenger services on Turkey’s high-speed rail network.
-
E.
TCDD HT10000
TCDD HT10000 is a planned next-generation high-speed electric multiple unit designed to operate on Turkey’s expanding high-speed rail network at very high speeds and with increased passenger capacity.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: TCDD Taşımacılık Target entity description: TCDD Taşımacılık is Turkey’s state-owned railway transport company responsible for operating passenger and freight train services across the country.
-
A.
TCDD Teknik
TCDD Teknik is a Turkish railway engineering and technical services company that operates as a subsidiary of the national rail operator.
-
B.
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.
-
C.
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.
-
D.
TCDD HT80000
TCDD HT80000 is a class of high-speed electric multiple unit trains operated by the Turkish State Railways for passenger services on Turkey’s high-speed rail network.
-
E.
TCDD HT10000
TCDD HT10000 is a planned next-generation high-speed electric multiple unit designed to operate on Turkey’s expanding high-speed rail network at very high speeds and with increased passenger capacity.
- F. None of above.
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_69e11e4affcc8190ba7c27d29062558d |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f157d1a87c8190a3e195cfbbb0d64f |
completed | April 29, 2026, 12:58 a.m. |
Created at: April 16, 2026, 8:44 p.m.