Triple

T5168683
Position Surface form Disambiguated ID Type / Status
Subject Trans-Iranian Railway E116620 entity
Predicate operator P179 FINISHED
Object Islamic Republic of Iran Railways
Islamic Republic of Iran Railways is Iran’s state-owned national railway company responsible for operating and managing the country’s rail transport network.
 E499639 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: Islamic Republic of Iran Railways | Statement: [Trans-Iranian Railway, operator, Islamic Republic of Iran Railways]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Islamic Republic of Iran Railways
Context triple: [Trans-Iranian Railway, operator, Islamic Republic of Iran Railways]
  • A. Tehran Urban and Suburban Railway and Bus Company
    Tehran Urban and Suburban Railway and Bus Company is the municipal public transport operator responsible for managing Tehran’s metro and bus systems, including the city’s Bus Rapid Transit network.
  • B. Saudi Railways Organization
    The Saudi Railways Organization is a Saudi government entity responsible for developing, operating, and overseeing key railway infrastructure and services in the Kingdom.
  • C. Iran Airports and Air Navigation Company
    Iran Airports and Air Navigation Company is Iran’s state-owned enterprise responsible for managing and operating the country’s civil airports and air navigation services.
  • D. Civil Aviation Organization of Iran
    The Civil Aviation Organization of Iran is the national authority responsible for regulating and overseeing civil aviation activities and safety standards within Iran.
  • E. Iran Air
    Iran Air is the national flag carrier airline of Iran, operating domestic and international passenger and cargo services across the Middle East, Europe, and Asia.
  • 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: Islamic Republic of Iran Railways
Triple: [Trans-Iranian Railway, operator, Islamic Republic of Iran Railways]
Generated description
Islamic Republic of Iran Railways is Iran’s state-owned national railway company responsible for operating and managing the country’s rail transport network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Islamic Republic of Iran Railways
Target entity description: Islamic Republic of Iran Railways is Iran’s state-owned national railway company responsible for operating and managing the country’s rail transport network.
  • A. Tehran Urban and Suburban Railway and Bus Company
    Tehran Urban and Suburban Railway and Bus Company is the municipal public transport operator responsible for managing Tehran’s metro and bus systems, including the city’s Bus Rapid Transit network.
  • B. Saudi Railways Organization
    The Saudi Railways Organization is a Saudi government entity responsible for developing, operating, and overseeing key railway infrastructure and services in the Kingdom.
  • C. Iran Airports and Air Navigation Company
    Iran Airports and Air Navigation Company is Iran’s state-owned enterprise responsible for managing and operating the country’s civil airports and air navigation services.
  • D. Civil Aviation Organization of Iran
    The Civil Aviation Organization of Iran is the national authority responsible for regulating and overseeing civil aviation activities and safety standards within Iran.
  • E. Iran Air
    Iran Air is the national flag carrier airline of Iran, operating domestic and international passenger and cargo services across the Middle East, Europe, and Asia.
  • 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_69bd445ff97c81909a2615cc56235470 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd794dd9988190922e138f2a9a3c62 completed March 20, 2026, 4:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69bed93f33ac8190b2f60a8e95685bc8 completed March 21, 2026, 5:45 p.m.
NEDg Description generation batch_69beda0419108190862d028a14227e8a completed March 21, 2026, 5:48 p.m.
NED2 Entity disambiguation (via description) batch_69bedaa232ac81908c5ee2d4ba8cbcd7 completed March 21, 2026, 5:51 p.m.
Created at: March 20, 2026, 1:45 p.m.