Triple

T8048309
Position Surface form Disambiguated ID Type / Status
Subject Line 6 (Tehran Metro) E187609 entity
Predicate hasStation P35 FINISHED
Object Emam Hossein station
Emam Hossein station is a Tehran Metro station and transit hub located at Emam Hossein Square, serving passengers on the city’s urban rail network.
 E752596 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: Emam Hossein station | Statement: [Line 6 (Tehran Metro), hasStation, Emam Hossein station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Emam Hossein station
Context triple: [Line 6 (Tehran Metro), hasStation, Emam Hossein station]
  • A. 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.
  • B. Shahid Hemmat Metro Station
    Shahid Hemmat Metro Station is a station on the Tehran Metro system serving passengers in Iran’s capital city.
  • C. Shahid Haghani Metro Station
    Shahid Haghani Metro Station is a passenger station on the urban rapid transit network serving Tehran, Iran.
  • D. 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.
  • E. 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.
  • 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: Emam Hossein station
Triple: [Line 6 (Tehran Metro), hasStation, Emam Hossein station]
Generated description
Emam Hossein station is a Tehran Metro station and transit hub located at Emam Hossein Square, serving passengers on the city’s urban rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Emam Hossein station
Target entity description: Emam Hossein station is a Tehran Metro station and transit hub located at Emam Hossein Square, serving passengers on the city’s urban rail network.
  • A. 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.
  • B. Shahid Hemmat Metro Station
    Shahid Hemmat Metro Station is a station on the Tehran Metro system serving passengers in Iran’s capital city.
  • C. Shahid Haghani Metro Station
    Shahid Haghani Metro Station is a passenger station on the urban rapid transit network serving Tehran, Iran.
  • D. 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.
  • E. 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.
  • 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_69ca82b15e948190a62fd7af5218426a completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3f7711f48190af2002533c2e426a completed March 31, 2026, 3:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69cf278d5abc8190a9330918486e464f completed April 3, 2026, 2:35 a.m.
NEDg Description generation batch_69cf2a6a91d48190aa7d45b0a010f261 completed April 3, 2026, 2:48 a.m.
NED2 Entity disambiguation (via description) batch_69cf2c0aace08190aca839c39e718c52 completed April 3, 2026, 2:55 a.m.
Created at: March 30, 2026, 5:24 p.m.