Triple

T1658628
Position Surface form Disambiguated ID Type / Status
Subject Tehran Metro E35854 entity
Predicate hasStation P35 FINISHED
Object Shahid Hemmat Metro Station
Shahid Hemmat Metro Station is a station on the Tehran Metro system serving passengers in Iran’s capital city.
 E207373 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: Shahid Hemmat Metro Station | Statement: [Tehran Metro, hasStation, Shahid Hemmat Metro Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Shahid Hemmat Metro Station
Context triple: [Tehran Metro, hasStation, Shahid Hemmat Metro Station]
  • A. Shahid Haghani Metro Station
    Shahid Haghani Metro Station is a passenger station on the urban rapid transit network serving Tehran, Iran.
  • B. Shahid Beheshti Metro Station
    Shahid Beheshti Metro Station is a key interchange station in the Tehran Metro network, connecting major lines and serving as an important transit hub in Iran’s capital.
  • C. Tehran (Sadeghiyeh) Metro Station
    Tehran (Sadeghiyeh) Metro Station is a major western terminus and busy interchange hub on the Tehran Metro network, serving as a key gateway between the city and its western suburbs.
  • D. Imam Khomeini Metro Station
    Imam Khomeini Metro Station is a major central interchange hub in the Tehran Metro network, connecting multiple lines and serving as a key transit point in Iran’s capital.
  • E. Darvazeh Dowlat Metro Station
    Darvazeh Dowlat Metro Station is a major interchange station in central Tehran that connects key metro lines and serves as an important transit hub for 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: Shahid Hemmat Metro Station
Triple: [Tehran Metro, hasStation, Shahid Hemmat Metro Station]
Generated description
Shahid Hemmat Metro Station is a station on the Tehran Metro system serving passengers in Iran’s capital city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Shahid Hemmat Metro Station
Target entity description: Shahid Hemmat Metro Station is a station on the Tehran Metro system serving passengers in Iran’s capital city.
  • A. Shahid Haghani Metro Station
    Shahid Haghani Metro Station is a passenger station on the urban rapid transit network serving Tehran, Iran.
  • B. Shahid Beheshti Metro Station
    Shahid Beheshti Metro Station is a key interchange station in the Tehran Metro network, connecting major lines and serving as an important transit hub in Iran’s capital.
  • C. Tehran (Sadeghiyeh) Metro Station
    Tehran (Sadeghiyeh) Metro Station is a major western terminus and busy interchange hub on the Tehran Metro network, serving as a key gateway between the city and its western suburbs.
  • D. Imam Khomeini Metro Station
    Imam Khomeini Metro Station is a major central interchange hub in the Tehran Metro network, connecting multiple lines and serving as a key transit point in Iran’s capital.
  • E. Darvazeh Dowlat Metro Station
    Darvazeh Dowlat Metro Station is a major interchange station in central Tehran that connects key metro lines and serves as an important transit hub for 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_69a88606aa808190aa0b421b4271f220 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a90aafe5e881908158fab83998fd07 completed March 5, 2026, 4:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69add1ac4b9c8190a7d0fa610a77f9c3 completed March 8, 2026, 7:44 p.m.
NEDg Description generation batch_69add2729498819082f6595c57f545a8 completed March 8, 2026, 7:48 p.m.
NED2 Entity disambiguation (via description) batch_69add32803a48190b8ff08c605790f22 completed March 8, 2026, 7:51 p.m.
Created at: March 4, 2026, 7:29 p.m.