Triple

T8658461
Position Surface form Disambiguated ID Type / Status
Subject Shahid Haghani Metro Station E205482 entity
Predicate partOf P40 FINISHED
Object Tehran public transport network
The Tehran public transport network is an integrated urban transit system in Iran’s capital, combining metro lines, buses, and other services to move millions of passengers across the city each day.
 E782732 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: Tehran public transport network | Statement: [Shahid Haghani Metro Station, partOf, Tehran public transport network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tehran public transport network
Context triple: [Shahid Haghani Metro Station, partOf, Tehran public transport network]
  • A. Tehran Bus Rapid Transit
    Tehran Bus Rapid Transit is a dedicated-lane bus network in Iran’s capital that provides high-capacity, rapid public transportation across major urban corridors.
  • B. Tehran Metro
    Tehran Metro is the rapid transit system serving Iran’s capital, providing extensive urban and suburban rail transport across the Tehran metropolitan area.
  • C. Tehran Metro Line 1
    Tehran Metro Line 1 is the main north–south rapid transit line in Tehran’s metro system, running through many of the city’s central and densely populated areas.
  • 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 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.
  • 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: Tehran public transport network
Triple: [Shahid Haghani Metro Station, partOf, Tehran public transport network]
Generated description
The Tehran public transport network is an integrated urban transit system in Iran’s capital, combining metro lines, buses, and other services to move millions of passengers across the city each day.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tehran public transport network
Target entity description: The Tehran public transport network is an integrated urban transit system in Iran’s capital, combining metro lines, buses, and other services to move millions of passengers across the city each day.
  • A. Tehran Bus Rapid Transit
    Tehran Bus Rapid Transit is a dedicated-lane bus network in Iran’s capital that provides high-capacity, rapid public transportation across major urban corridors.
  • B. Tehran Metro
    Tehran Metro is the rapid transit system serving Iran’s capital, providing extensive urban and suburban rail transport across the Tehran metropolitan area.
  • C. Tehran Metro Line 1
    Tehran Metro Line 1 is the main north–south rapid transit line in Tehran’s metro system, running through many of the city’s central and densely populated areas.
  • 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 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.
  • 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_69ca8350897c819086cde7596fbe5fe7 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc486d576081908ad28749c7971432 completed March 31, 2026, 10:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69d0542fccd081908e1359cc71ba6774 completed April 3, 2026, 11:58 p.m.
NEDg Description generation batch_69d0554fda40819083ef2d13d6fba905 completed April 4, 2026, 12:03 a.m.
NED2 Entity disambiguation (via description) batch_69d055ca4fc08190b30e1b31ded51189 completed April 4, 2026, 12:05 a.m.
Created at: March 30, 2026, 6:30 p.m.