Triple
T20066695
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Greater Tehran |
E499624
|
entity |
| Predicate | hasInfrastructure |
P2560
|
FINISHED |
| Object | Tehran Metro |
—
|
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: Tehran Metro | Statement: [Greater Tehran, hasInfrastructure, Tehran Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tehran Metro Context triple: [Greater Tehran, hasInfrastructure, Tehran Metro]
-
A.
Tehran Metro
chosen
Tehran Metro is the rapid transit system serving Iran’s capital, providing extensive urban and suburban rail transport across the Tehran metropolitan area.
-
B.
Tehran Metro Line 1
Tehran Metro Line 1 is the main north–south rapid transit line in Tehran’s metro system, running through many of the city’s central and densely populated areas.
-
C.
Mashhad Metro
Mashhad Metro is the urban rapid transit system serving the city of Mashhad in northeastern Iran, providing high-capacity public transportation across the metropolitan area.
-
D.
Tehran Metro Line 2
Tehran Metro Line 2 is a major east–west rapid transit line in Tehran’s metro system, serving numerous central and western districts and providing key transfer connections with several other lines.
-
E.
Tehran Metro Line 3
Tehran Metro Line 3 is a major north–south rapid transit line in Tehran’s metro network, serving as one of the city’s key high-capacity urban rail 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_69da627770948190997f486f9a2e370f |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66379f2cc81908f13a7b216878f12 |
completed | April 20, 2026, 5:33 p.m. |
Created at: April 11, 2026, 3:39 p.m.