Triple

T6769454

Position	Surface form	Disambiguated ID	Type / Status
Subject	Saint Petersburg Metro	`E155005`	entity
Predicate	connectsTo	`P845`	FINISHED
Object	Saint Petersburg trolleybus network The Saint Petersburg trolleybus network is an extensive electric public transport system in Saint Petersburg, Russia, operating trolleybuses along city streets and serving as a major component of the urban transit infrastructure.	`E619862`	NE FINISHED

How this triple was built (4 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: Saint Petersburg trolleybus network | Statement: [Saint Petersburg Metro, connectsTo, Saint Petersburg trolleybus network]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Saint Petersburg trolleybus network
Context triple: [Saint Petersburg Metro, connectsTo, Saint Petersburg trolleybus network]

A. Saint Petersburg tram network
The Saint Petersburg tram network is an extensive urban tramway system in Saint Petersburg, Russia, historically one of the world’s largest and a key component of the city’s public transport.
B. Saint Petersburg suburban railways
Saint Petersburg suburban railways are an extensive commuter rail network serving the greater Saint Petersburg metropolitan area, connecting the city with its surrounding suburbs and regional towns.
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. Moscow tram network
The Moscow tram network is an extensive urban tramway system that complements the Moscow Metro by providing surface-level public transportation across the city.
E. Crimean trolleybus line
The Crimean trolleybus line is a long-distance electric trolleybus route in Crimea, notable for being one of the world’s longest trolleybus lines and connecting cities such as Simferopol, Alushta, and Yalta across mountainous terrain.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NEDg Description generation gpt-5.1

Instruction

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Input

Entity: Saint Petersburg trolleybus network
Triple: [Saint Petersburg Metro, connectsTo, Saint Petersburg trolleybus network]

Generated description

The Saint Petersburg trolleybus network is an extensive electric public transport system in Saint Petersburg, Russia, operating trolleybuses along city streets and serving as a major component of the urban transit infrastructure.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Saint Petersburg trolleybus network
Target entity description: The Saint Petersburg trolleybus network is an extensive electric public transport system in Saint Petersburg, Russia, operating trolleybuses along city streets and serving as a major component of the urban transit infrastructure.

A. Saint Petersburg tram network
The Saint Petersburg tram network is an extensive urban tramway system in Saint Petersburg, Russia, historically one of the world’s largest and a key component of the city’s public transport.
B. Saint Petersburg suburban railways
Saint Petersburg suburban railways are an extensive commuter rail network serving the greater Saint Petersburg metropolitan area, connecting the city with its surrounding suburbs and regional towns.
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. Moscow tram network
The Moscow tram network is an extensive urban tramway system that complements the Moscow Metro by providing surface-level public transportation across the city.
E. Crimean trolleybus line
The Crimean trolleybus line is a long-distance electric trolleybus route in Crimea, notable for being one of the world’s longest trolleybus lines and connecting cities such as Simferopol, Alushta, and Yalta across mountainous terrain.
F. None of above. chosen

Provenance (5 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_69c68812ef7c819099369f51febb725c`	completed	March 27, 2026, 1:37 p.m.
NER	Named-entity recognition	`batch_69c6d232d1f08190bc30c0f24f28c475`	completed	March 27, 2026, 6:53 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c71a7da01c8190995885eeb4ba6253`	completed	March 28, 2026, 12:02 a.m.
NEDg	Description generation	`batch_69c71b88b27c8190b803f0e9f6402c44`	completed	March 28, 2026, 12:06 a.m.
NED2	Entity disambiguation (via description)	`batch_69c71c91e08c81908be81efc2087464a`	completed	March 28, 2026, 12:10 a.m.

Created at: March 27, 2026, 2:12 p.m.