Triple
T22358582
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Istanbul commuter rail network |
E552719
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Haydarpaşa station |
—
|
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: Haydarpaşa station | Statement: [Istanbul commuter rail network, hasStation, Haydarpaşa station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Haydarpaşa station Context triple: [Istanbul commuter rail network, hasStation, Haydarpaşa station]
-
A.
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.
-
B.
Üsküdar station
Üsküdar station is a key rail stop on Istanbul’s Asian side, serving as an important node in the city’s commuter and intermodal transport network.
-
C.
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.
-
D.
Maltepe station
Maltepe station is a railway station in Istanbul, Turkey, serving suburban and commuter rail services on the city’s Asian side.
-
E.
Istanbul (Pendik) station
Istanbul (Pendik) station is a major railway hub on Istanbul’s Asian side that serves as a key terminus for Turkey’s high-speed train services.
- 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_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.