Triple

T7114684
Position Surface form Disambiguated ID Type / Status
Subject Sofia Metro E165788 entity
Predicate hasStation P35 FINISHED
Object Serdika station
Serdika station is a central interchange station in the Sofia Metro system, connecting key lines and serving as a major transit hub in Bulgaria’s capital.
 E643484 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: Serdika station | Statement: [Sofia Metro, hasStation, Serdika station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Serdika station
Context triple: [Sofia Metro, hasStation, Serdika station]
  • A. Bornova station
    Bornova station is a key terminal stop on the İzmir Metro system serving the Bornova district of İzmir, Turkey.
  • B. Frunzenskaya station
    Frunzenskaya station is a Moscow Metro station known for its deep-level construction and classic Soviet-era architectural design.
  • C. Bessarion station
    Bessarion station is a Toronto subway station on Line 4 Sheppard, serving the North York area with access to nearby residential and commercial developments.
  • D. Nikolassee station
    Nikolassee station is a Berlin S-Bahn railway station in the Nikolassee district, serving as a local transit hub on the city's southwestern rail network.
  • E. Kommunarka station
    Kommunarka station is a southern terminal metro station on Moscow’s Sokolnicheskaya Line, serving the rapidly developing Kommunarka district.
  • 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: Serdika station
Triple: [Sofia Metro, hasStation, Serdika station]
Generated description
Serdika station is a central interchange station in the Sofia Metro system, connecting key lines and serving as a major transit hub in Bulgaria’s capital.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Serdika station
Target entity description: Serdika station is a central interchange station in the Sofia Metro system, connecting key lines and serving as a major transit hub in Bulgaria’s capital.
  • A. Bornova station
    Bornova station is a key terminal stop on the İzmir Metro system serving the Bornova district of İzmir, Turkey.
  • B. Frunzenskaya station
    Frunzenskaya station is a Moscow Metro station known for its deep-level construction and classic Soviet-era architectural design.
  • C. Bessarion station
    Bessarion station is a Toronto subway station on Line 4 Sheppard, serving the North York area with access to nearby residential and commercial developments.
  • D. Nikolassee station
    Nikolassee station is a Berlin S-Bahn railway station in the Nikolassee district, serving as a local transit hub on the city's southwestern rail network.
  • E. Kommunarka station
    Kommunarka station is a southern terminal metro station on Moscow’s Sokolnicheskaya Line, serving the rapidly developing Kommunarka district.
  • 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_69c6888227bc8190a1394679e3116f90 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e5f0dab8819092103aefcaa1f9c2 completed March 27, 2026, 8:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7a325a07c81909bd9a8f5d4461fb9 completed March 28, 2026, 9:45 a.m.
NEDg Description generation batch_69c7a43541408190a4985274d6227dbc completed March 28, 2026, 9:49 a.m.
NED2 Entity disambiguation (via description) batch_69c7a4de73bc819084367b1336b8d862 completed March 28, 2026, 9:52 a.m.
Created at: March 27, 2026, 2:43 p.m.