Triple

T8907968
Position Surface form Disambiguated ID Type / Status
Subject Kharkiv Metro E212108 entity
Predicate hasLine P35 FINISHED
Object Saltivska line
The Saltivska line is a major rapid transit line of the Kharkiv Metro system in Kharkiv, Ukraine, serving several densely populated residential districts.
E765646 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: Saltivska line | Statement: [Kharkiv Metro, hasLine, Saltivska line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Saltivska line
Context triple: [Kharkiv Metro, hasLine, Saltivska line]
  • A. Gribskov Line
    The Gribskov Line is a Danish regional railway line in North Zealand that connects Hillerød with several coastal and rural towns, serving as an important local transport route and tourist line.
  • B. Saburtalo Line
    The Saburtalo Line is one of the main rapid transit lines of the Tbilisi Metro system in Tbilisi, Georgia, serving several central and residential districts of the city.
  • C. Tarka Line
    The Tarka Line is a scenic rural railway route in Devon, England, running between Exeter and Barnstaple through the countryside associated with Henry Williamson’s novel "Tarka the Otter."
  • D. Orlík line
    The Orlík line is a cadet branch of the noble House of Schwarzenberg historically associated with the Orlík Castle estate in Bohemia.
  • E. Filevskaya Line
    Filevskaya Line is one of the lines of the Moscow Metro, known for its partially surface-level sections and service to western districts of the city.
  • 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: Saltivska line
Triple: [Kharkiv Metro, hasLine, Saltivska line]
Generated description
The Saltivska line is a major rapid transit line of the Kharkiv Metro system in Kharkiv, Ukraine, serving several densely populated residential districts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Saltivska line
Target entity description: The Saltivska line is a major rapid transit line of the Kharkiv Metro system in Kharkiv, Ukraine, serving several densely populated residential districts.
  • A. Gribskov Line
    The Gribskov Line is a Danish regional railway line in North Zealand that connects Hillerød with several coastal and rural towns, serving as an important local transport route and tourist line.
  • B. Saburtalo Line
    The Saburtalo Line is one of the main rapid transit lines of the Tbilisi Metro system in Tbilisi, Georgia, serving several central and residential districts of the city.
  • C. Tarka Line
    The Tarka Line is a scenic rural railway route in Devon, England, running between Exeter and Barnstaple through the countryside associated with Henry Williamson’s novel "Tarka the Otter."
  • D. Orlík line
    The Orlík line is a cadet branch of the noble House of Schwarzenberg historically associated with the Orlík Castle estate in Bohemia.
  • E. Filevskaya Line
    Filevskaya Line is one of the lines of the Moscow Metro, known for its partially surface-level sections and service to western districts of the city.
  • 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_69ca839255248190b43984294abd92ae completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc64c6a87c81909331a39619f913c0 completed April 1, 2026, 12:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfba31fc148190a8dbe378694dcc32 completed April 3, 2026, 1:01 p.m.
NEDg Description generation batch_69cfbabf33a08190a18d13b9078c00e2 completed April 3, 2026, 1:03 p.m.
NED2 Entity disambiguation (via description) batch_69cfbba71a948190afc03a1df9e5777c completed April 3, 2026, 1:07 p.m.
Created at: March 30, 2026, 6:55 p.m.