Triple

T13432556
Position Surface form Disambiguated ID Type / Status
Subject Mashhad Metro E313647 entity
Predicate hasLine P35 FINISHED
Object Mashhad Metro Line 3
Mashhad Metro Line 3 is a planned urban rail line in the Mashhad Metro system in Mashhad, Iran, intended to expand rapid transit coverage across the city.
 E1047468 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: Mashhad Metro Line 3 | Statement: [Mashhad Metro, hasLine, Mashhad Metro Line 3]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mashhad Metro Line 3
Context triple: [Mashhad Metro, hasLine, Mashhad Metro Line 3]
  • A. Mashhad Metro Line 2
    Mashhad Metro Line 2 is a major rapid transit line in the Mashhad urban rail network, serving as one of the city’s primary east–west public transportation corridors.
  • B. Tehran Metro Line 3
    Tehran Metro Line 3 is a major north–south rapid transit line in Tehran’s metro network, serving as one of the city’s key high-capacity urban rail corridors.
  • C. Mashhad Metro
    Mashhad Metro is the urban rapid transit system serving the city of Mashhad in northeastern Iran, providing high-capacity public transportation across the metropolitan area.
  • D. Tehran Metro Line 2
    Tehran Metro Line 2 is a major east–west rapid transit line in Tehran’s metro system, serving numerous central and western districts and providing key transfer connections with several other lines.
  • E. Tehran Metro Line 4
    Tehran Metro Line 4 is one of the main east–west rapid transit lines in Tehran’s metro network, serving key urban areas and providing access to major hubs including the route toward Mehrabad International Airport.
  • 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: Mashhad Metro Line 3
Triple: [Mashhad Metro, hasLine, Mashhad Metro Line 3]
Generated description
Mashhad Metro Line 3 is a planned urban rail line in the Mashhad Metro system in Mashhad, Iran, intended to expand rapid transit coverage across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mashhad Metro Line 3
Target entity description: Mashhad Metro Line 3 is a planned urban rail line in the Mashhad Metro system in Mashhad, Iran, intended to expand rapid transit coverage across the city.
  • A. Mashhad Metro Line 2
    Mashhad Metro Line 2 is a major rapid transit line in the Mashhad urban rail network, serving as one of the city’s primary east–west public transportation corridors.
  • B. Tehran Metro Line 3
    Tehran Metro Line 3 is a major north–south rapid transit line in Tehran’s metro network, serving as one of the city’s key high-capacity urban rail corridors.
  • C. Mashhad Metro
    Mashhad Metro is the urban rapid transit system serving the city of Mashhad in northeastern Iran, providing high-capacity public transportation across the metropolitan area.
  • D. Tehran Metro Line 2
    Tehran Metro Line 2 is a major east–west rapid transit line in Tehran’s metro system, serving numerous central and western districts and providing key transfer connections with several other lines.
  • E. Tehran Metro Line 4
    Tehran Metro Line 4 is one of the main east–west rapid transit lines in Tehran’s metro network, serving key urban areas and providing access to major hubs including the route toward Mehrabad International Airport.
  • 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_69d806ad0c44819088833ae1ec9e9690 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69dbaed41a5481908800033303224adb completed April 12, 2026, 2:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69f75d86d32c8190a1d9ce72e99426e2 completed May 3, 2026, 2:36 p.m.
NEDg Description generation batch_69f75fbb39848190beeae0e4c112510d completed May 3, 2026, 2:46 p.m.
NED2 Entity disambiguation (via description) batch_69f76049056c8190b77f8ca78c8f77a0 completed May 3, 2026, 2:48 p.m.
Created at: April 9, 2026, 9:40 p.m.