Triple
T7042189
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Haydarpaşa Railway Station |
E163538
|
entity |
| Predicate | servedAsTerminusFor |
P388
|
FINISHED |
| Object | Hejaz Railway connection |
E235404
|
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: Hejaz Railway connection | Statement: [Haydarpaşa Railway Station, servedAsTerminusFor, Hejaz Railway connection]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hejaz Railway connection Context triple: [Haydarpaşa Railway Station, servedAsTerminusFor, Hejaz Railway connection]
-
A.
Hejaz Railway
chosen
The Hejaz Railway was an early 20th-century Ottoman narrow-gauge railway built to connect Damascus with the holy cities of the Hejaz, notably facilitating Muslim pilgrimage to Medina.
-
B.
Gulf Cooperation Council railway network
The Gulf Cooperation Council railway network is a planned regional rail system intended to link the six GCC member states with a unified freight and passenger corridor across the Arabian Peninsula.
-
C.
Haramain high-speed railway
The Haramain high-speed railway is a modern high-speed rail line in Saudi Arabia that connects the holy cities of Mecca and Medina via Jeddah and King Abdullah Economic City, facilitating rapid travel for pilgrims and residents.
-
D.
Jezreel Valley railway
The Jezreel Valley railway is a rail line in northern Israel that follows the historic route connecting the Haifa area to the Jordan Valley, serving cities and towns across the Jezreel Valley region.
-
E.
Mecca–Taif highway
The Mecca–Taif highway is a major mountain road in western Saudi Arabia that links the holy city of Mecca with the resort city of Taif, traversing steep terrain and scenic passes.
- 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_69c7887141ac81909cb5e996a89e4ec5 |
completed | March 28, 2026, 7:51 a.m. |
Created at: March 27, 2026, 2:36 p.m.