Triple

T7175662
Position Surface form Disambiguated ID Type / Status
Subject Istanbul Metro E167312 entity
Predicate hasLine P35 FINISHED
Object M18 line
The M18 line is a rapid transit route within the Istanbul Metro system serving passengers across parts of the city.
 E671913 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: M18 line | Statement: [Istanbul Metro, hasLine, M18 line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: M18 line
Context triple: [Istanbul Metro, hasLine, M18 line]
  • A. M8 line
    The M8 line is a rapid transit route within the Istanbul Metro system that serves as one of the city’s key urban rail corridors.
  • B. M14 line
    The M14 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
  • C. M11 line
    The M11 line is a rapid transit route of the Istanbul Metro system that connects the city center with Istanbul Airport and other northern districts.
  • D. M16 line
    The M16 line is a rapid transit route within the Istanbul Metro system that serves passengers in Turkey’s largest city.
  • E. M17 line
    The M17 line is a rapid transit route within the Istanbul Metro system serving passengers in Turkey’s largest 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: M18 line
Triple: [Istanbul Metro, hasLine, M18 line]
Generated description
The M18 line is a rapid transit route within the Istanbul Metro system serving passengers across parts of the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: M18 line
Target entity description: The M18 line is a rapid transit route within the Istanbul Metro system serving passengers across parts of the city.
  • A. M8 line
    The M8 line is a rapid transit route within the Istanbul Metro system that serves as one of the city’s key urban rail corridors.
  • B. M14 line
    The M14 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
  • C. M11 line
    The M11 line is a rapid transit route of the Istanbul Metro system that connects the city center with Istanbul Airport and other northern districts.
  • D. M16 line
    The M16 line is a rapid transit route within the Istanbul Metro system that serves passengers in Turkey’s largest city.
  • E. M17 line
    The M17 line is a rapid transit route within the Istanbul Metro system serving passengers in Turkey’s largest 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_69c68889a2748190a316c5e65360361a completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e88ec6a8819083cbc3f4c39b8c79 completed March 27, 2026, 8:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c84eda551081909c8489f3848846f3 completed March 28, 2026, 9:57 p.m.
NEDg Description generation batch_69c852c611488190a3bec08534577dad completed March 28, 2026, 10:14 p.m.
NED2 Entity disambiguation (via description) batch_69c85332df348190899a33abf93025b6 completed March 28, 2026, 10:16 p.m.
Created at: March 27, 2026, 2:48 p.m.