Triple

T17720293
Position Surface form Disambiguated ID Type / Status
Subject Heroiv Dnipra E442315 entity
Predicate lineColor P60 FINISHED
Object blue line of Kyiv Metro
The blue line of the Kyiv Metro, officially known as the Obolonsko–Teremkivska line, is one of the city’s main rapid transit lines running roughly north–south through Kyiv.
E1284520 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: blue line of Kyiv Metro | Statement: [Heroiv Dnipra, lineColor, blue line of Kyiv Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: blue line of Kyiv Metro
Context triple: [Heroiv Dnipra, lineColor, blue line of Kyiv Metro]
  • A. Kyiv Metro
    Kyiv Metro is the rapid transit system serving Ukraine’s capital, known for its deep underground stations and role as a major component of the city’s public transportation network.
  • B. Kharkiv Metro
    Kharkiv Metro is the rapid transit system serving the city of Kharkiv, Ukraine, providing urban rail transportation across multiple underground lines and stations.
  • C. Kyiv tram network
    The Kyiv tram network is an extensive urban light rail system in Ukraine’s capital, providing surface-level public transportation that complements the city’s metro and bus services.
  • D. Dnipro Metro
    The Dnipro Metro is a small rapid transit system serving the city of Dnipro in Ukraine, featuring a single operational line with Soviet-era rolling stock and limited but expanding coverage.
  • E. Blue line (Stockholm metro)
    The Blue line of the Stockholm metro is one of the system’s main rapid transit lines, known for serving key western and northwestern suburbs and featuring some of the network’s most architecturally distinctive underground stations.
  • 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: blue line of Kyiv Metro
Triple: [Heroiv Dnipra, lineColor, blue line of Kyiv Metro]
Generated description
The blue line of the Kyiv Metro, officially known as the Obolonsko–Teremkivska line, is one of the city’s main rapid transit lines running roughly north–south through Kyiv.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: blue line of Kyiv Metro
Target entity description: The blue line of the Kyiv Metro, officially known as the Obolonsko–Teremkivska line, is one of the city’s main rapid transit lines running roughly north–south through Kyiv.
  • A. Kyiv Metro
    Kyiv Metro is the rapid transit system serving Ukraine’s capital, known for its deep underground stations and role as a major component of the city’s public transportation network.
  • B. Kharkiv Metro
    Kharkiv Metro is the rapid transit system serving the city of Kharkiv, Ukraine, providing urban rail transportation across multiple underground lines and stations.
  • C. Kyiv tram network
    The Kyiv tram network is an extensive urban light rail system in Ukraine’s capital, providing surface-level public transportation that complements the city’s metro and bus services.
  • D. Dnipro Metro
    The Dnipro Metro is a small rapid transit system serving the city of Dnipro in Ukraine, featuring a single operational line with Soviet-era rolling stock and limited but expanding coverage.
  • E. Blue line (Stockholm metro)
    The Blue line of the Stockholm metro is one of the system’s main rapid transit lines, known for serving key western and northwestern suburbs and featuring some of the network’s most architecturally distinctive underground stations.
  • 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_69d8b9ec79688190b86bdcef85a7b3aa completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e4748520a881908dc3446d33236ff7 completed April 19, 2026, 6:21 a.m.
NED1 Entity disambiguation (via context triple) batch_6a02302defe081909eaeb1f90d497561 completed May 11, 2026, 7:38 p.m.
NEDg Description generation batch_6a0231835c748190b6908d6ddb5f25b4 completed May 11, 2026, 7:44 p.m.
NED2 Entity disambiguation (via description) batch_6a0232033f788190b0be2d3976ed57e4 completed May 11, 2026, 7:46 p.m.
Created at: April 10, 2026, 10:07 a.m.