Triple

T17767861
Position Surface form Disambiguated ID Type / Status
Subject Alexander Nevsky Square E443555 entity
Predicate hasPublicTransportConnection P3791 FINISHED
Object Sofia tram network
The Sofia tram network is an extensive urban tramway system serving Bulgaria’s capital city, providing key public transportation links across Sofia.
 E1286820 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: Sofia tram network | Statement: [Alexander Nevsky Square, hasPublicTransportConnection, Sofia tram network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sofia tram network
Context triple: [Alexander Nevsky Square, hasPublicTransportConnection, Sofia tram network]
  • A. Sofia Metro
    Sofia Metro is the rapid transit system serving Bulgaria’s capital city, providing high-capacity urban rail transport across Sofia and its metropolitan area.
  • B. Bucharest tram network
    The Bucharest tram network is an extensive urban light rail system that complements the city’s metro and bus services by providing surface-level public transportation across Romania’s capital.
  • C. 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.
  • D. Sofia Central Station
    Sofia Central Station is the main railway hub in Bulgaria’s capital city, serving as a key national and international transport gateway.
  • E. 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.
  • 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: Sofia tram network
Triple: [Alexander Nevsky Square, hasPublicTransportConnection, Sofia tram network]
Generated description
The Sofia tram network is an extensive urban tramway system serving Bulgaria’s capital city, providing key public transportation links across Sofia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sofia tram network
Target entity description: The Sofia tram network is an extensive urban tramway system serving Bulgaria’s capital city, providing key public transportation links across Sofia.
  • A. Sofia Metro
    Sofia Metro is the rapid transit system serving Bulgaria’s capital city, providing high-capacity urban rail transport across Sofia and its metropolitan area.
  • B. Bucharest tram network
    The Bucharest tram network is an extensive urban light rail system that complements the city’s metro and bus services by providing surface-level public transportation across Romania’s capital.
  • C. 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.
  • D. Sofia Central Station
    Sofia Central Station is the main railway hub in Bulgaria’s capital city, serving as a key national and international transport gateway.
  • E. 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.
  • 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_69d8b9edf16c8190a59ebd245d378f4f completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e485fd8aa081909c8ee9264af15c69 completed April 19, 2026, 7:36 a.m.
NED1 Entity disambiguation (via context triple) batch_6a02efc14808819099ecbb8a752aff24 completed May 12, 2026, 9:15 a.m.
NEDg Description generation batch_6a02f096fc648190a1ff19f2704a4cef completed May 12, 2026, 9:19 a.m.
NED2 Entity disambiguation (via description) batch_6a02f1d0a4708190bbf51356da7e965e completed May 12, 2026, 9:24 a.m.
Created at: April 10, 2026, 10:11 a.m.