Triple
T10486567
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kachinskaya station |
E247313
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Volgograd Metrotram |
E41308
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Volgograd Metrotram | Statement: [Kachinskaya station, partOf, Volgograd Metrotram]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Volgograd Metrotram Context triple: [Kachinskaya station, partOf, Volgograd Metrotram]
-
A.
Volgograd Metrotram
chosen
The Volgograd Metrotram is a hybrid light rail and underground tram system in Volgograd, Russia, providing rapid transit-style service along a dedicated north–south corridor through the city.
-
B.
Volgograd tram network
The Volgograd tram network is an extensive urban tramway system serving the Russian city of Volgograd, providing surface-level public transport that complements the partially grade-separated Volgograd Metrotram.
-
C.
Nizhny Novgorod Metro
The Nizhny Novgorod Metro is a rapid transit system serving the city of Nizhny Novgorod, Russia, providing urban rail transportation across several lines and stations.
-
D.
Yekaterinburg Metro
The Yekaterinburg Metro is a small, Soviet-era rapid transit system serving the Russian city of Yekaterinburg with a single line and a handful of underground stations.
-
E.
Volgograd trolleybus network
The Volgograd trolleybus network is an electric public transit system in Volgograd, Russia, providing urban transportation via trolleybuses powered by overhead wires.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69d381c309b88190af78aa681cf6a4c2 |
elicitation | completed |
| NER | batch_69d5096a4d3481908e9c319f6cdce4f1 |
ner | completed |
| NED1 | batch_69d8dc8c73748190b97c78af6cf142d9 |
ned_source_triple | completed |
Created at: April 6, 2026, 12:23 p.m.