Triple
T7042201
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Haydarpaşa Railway Station |
E163538
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Istanbul rail network |
E552719
|
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 rail network | Statement: [Haydarpaşa Railway Station, partOf, Istanbul rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Istanbul rail network Context triple: [Haydarpaşa Railway Station, partOf, Istanbul rail network]
-
A.
Istanbul commuter rail network
chosen
The Istanbul commuter rail network is a suburban rail system serving the greater Istanbul metropolitan area, integrating cross-Bosporus links and multiple lines to connect key residential and commercial districts.
-
B.
Istanbul tram network
The Istanbul tram network is a modern urban rail system that forms a key part of the city’s public transport, linking major districts on the European side and connecting seamlessly with metro, bus, and ferry services.
-
C.
Istanbul Metro
The Istanbul Metro is a rapid transit system serving Istanbul, Turkey, connecting key districts and transport hubs across the city.
-
D.
Ankara Metro
Ankara Metro is the rapid transit system serving Turkey's capital city, providing urban rail transportation across Ankara and its surrounding districts.
-
E.
Istanbul bus network
The Istanbul bus network is the city’s extensive public transportation system of urban and suburban bus lines that connects neighborhoods across both the European and Asian sides and links with other modes such as metro, trams, and ferries.
- 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_69c6885e7c1c8190be32a8f79ab4e0cf |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6e23440e8819080963fe81cfa0695 |
completed | March 27, 2026, 8:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7b8c5a9fc81909a94e8e6c287b591 |
completed | March 28, 2026, 11:17 a.m. |
Created at: March 27, 2026, 2:36 p.m.