Triple

T1658601
Position Surface form Disambiguated ID Type / Status
Subject Tehran Metro E35854 entity
Predicate owner P347 FINISHED
Object Tehran Municipality
Tehran Municipality is the local government authority responsible for administering and managing the city of Tehran, Iran’s capital.
 E192416 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 Municipality | Statement: [Tehran Metro, owner, Tehran Municipality]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tehran Municipality
Context triple: [Tehran Metro, owner, Tehran Municipality]
  • A. Tehran
    Tehran is the capital and largest city of Iran, serving as the country's political, economic, and cultural center.
  • B. Mashhad
    Mashhad is a major city in northeastern Iran renowned as a leading religious and cultural center of the Islamic world, centered around the shrine of Imam Reza.
  • C. Hamadan
    Hamadan is an ancient city in western Iran, historically significant as a major center of Persian Jewish life and one of the oldest continuously inhabited cities in the region.
  • D. Tehran Province
    Tehran Province is an administrative region in north-central Iran that includes the nation’s capital, Tehran, and serves as a major political, economic, and cultural hub.
  • E. Isfahan
    Isfahan is a historic Iranian city renowned for its Safavid-era architecture, grand mosques, and role as a major political and cultural center in early modern Persia.
  • 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 Municipality
Triple: [Tehran Metro, owner, Tehran Municipality]
Generated description
Tehran Municipality is the local government authority responsible for administering and managing the city of Tehran, Iran’s capital.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tehran Municipality
Target entity description: Tehran Municipality is the local government authority responsible for administering and managing the city of Tehran, Iran’s capital.
  • A. Tehran
    Tehran is the capital and largest city of Iran, serving as the country's political, economic, and cultural center.
  • B. Mashhad
    Mashhad is a major city in northeastern Iran renowned as a leading religious and cultural center of the Islamic world, centered around the shrine of Imam Reza.
  • C. Hamadan
    Hamadan is an ancient city in western Iran, historically significant as a major center of Persian Jewish life and one of the oldest continuously inhabited cities in the region.
  • D. Tehran Province
    Tehran Province is an administrative region in north-central Iran that includes the nation’s capital, Tehran, and serves as a major political, economic, and cultural hub.
  • E. Isfahan
    Isfahan is a historic Iranian city renowned for its Safavid-era architecture, grand mosques, and role as a major political and cultural center in early modern Persia.
  • 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_69ad8abe91bc8190ba363e1f7fd07b9f completed March 8, 2026, 2:42 p.m.
NEDg Description generation batch_69ad9575acf88190aa3fe80794534dd4 completed March 8, 2026, 3:27 p.m.
NED2 Entity disambiguation (via description) batch_69ad97a7128c819097ff36216f00d4f9 completed March 8, 2026, 3:37 p.m.
Created at: March 4, 2026, 7:29 p.m.