Triple
T8684479
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LM-93 tram |
E206120
|
entity |
| Predicate | usedInTransportSystem |
P941
|
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: [LM-93 tram, usedInTransportSystem, Volgograd Metrotram]
Disambiguation candidates (2 decisions)
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: [LM-93 tram, usedInTransportSystem, 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.
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.
-
D.
Novosibirsk Metro
Novosibirsk Metro is a rapid transit system in Novosibirsk, Russia, serving as a key component of the city's public transportation network with several lines and stations across the urban area.
-
E.
Saint Petersburg Metro
The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: usedInTransportSystem Context triple: [LM-93 tram, usedInTransportSystem, Volgograd Metrotram]
-
A.
usedTransportationInfrastructure
Indicates that an entity made use of some form of transportation infrastructure (such as roads, railways, or ports) to enable movement or transit.
-
B.
hasTransportationSystem
chosen
Indicates that an entity possesses, operates, or is served by an organized system for transporting people or goods.
-
C.
typeOfTransportInfrastructure
Indicates the specific category or kind of transport infrastructure associated with or used in a given context.
-
D.
isUsedInTransportTimetables
Indicates that something is employed or referenced within transport timetables or schedules.
-
E.
passesUsedForTransportation
Indicates that the passes are utilized as a means or instrument for transporting people or goods.
- F. None of above.
Provenance (4 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69ca835379688190aa06b9d98e684d58 |
elicitation | completed |
| NER | batch_69cc4aeae740819099093906ccc5f640 |
ner | completed |
| NED1 | batch_69cef3c3c74c81908cd9e881d5963492 |
ned_source_triple | completed |
| PD | batch_69cc4569f9048190b9c86b4c81103d35 |
pd | completed |
Created at: March 30, 2026, 6:32 p.m.