Triple

T8048321
Position Surface form Disambiguated ID Type / Status
Subject Line 6 (Tehran Metro) E187609 entity
Predicate connectsWith P37 FINISHED
Object Tehran Metro Line 7
Tehran Metro Line 7 is one of the main rapid transit lines in Tehran’s subway network, running in a generally north–south direction and serving numerous key residential and commercial areas of the city.
E744452 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 Metro Line 7 | Statement: [Line 6 (Tehran Metro), connectsWith, Tehran Metro Line 7]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tehran Metro Line 7
Context triple: [Line 6 (Tehran Metro), connectsWith, Tehran Metro Line 7]
  • A. Tehran Metro Line 6
    Tehran Metro Line 6 is a major north–south and east–west rapid transit line in Tehran’s urban rail network, designed to improve connectivity across central and peripheral districts of Iran’s capital.
  • B. Tehran Metro Line 8
    Tehran Metro Line 8 is a planned or operational rapid transit line within the Tehran Metro system, serving as part of the urban rail network in Iran’s capital.
  • C. Tehran Metro Line 9
    Tehran Metro Line 9 is a planned rapid transit line intended to expand and improve the urban rail network in Iran’s capital, Tehran.
  • 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 4
    Tehran Metro Line 4 is one of the main east–west rapid transit lines in Tehran’s metro network, serving key urban areas and providing access to major hubs including the route toward Mehrabad International Airport.
  • 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 Metro Line 7
Triple: [Line 6 (Tehran Metro), connectsWith, Tehran Metro Line 7]
Generated description
Tehran Metro Line 7 is one of the main rapid transit lines in Tehran’s subway network, running in a generally north–south direction and serving numerous key residential and commercial areas of the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tehran Metro Line 7
Target entity description: Tehran Metro Line 7 is one of the main rapid transit lines in Tehran’s subway network, running in a generally north–south direction and serving numerous key residential and commercial areas of the city.
  • A. Tehran Metro Line 6
    Tehran Metro Line 6 is a major north–south and east–west rapid transit line in Tehran’s urban rail network, designed to improve connectivity across central and peripheral districts of Iran’s capital.
  • B. Tehran Metro Line 8
    Tehran Metro Line 8 is a planned or operational rapid transit line within the Tehran Metro system, serving as part of the urban rail network in Iran’s capital.
  • C. Tehran Metro Line 9
    Tehran Metro Line 9 is a planned rapid transit line intended to expand and improve the urban rail network in Iran’s capital, Tehran.
  • 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 4
    Tehran Metro Line 4 is one of the main east–west rapid transit lines in Tehran’s metro network, serving key urban areas and providing access to major hubs including the route toward Mehrabad International Airport.
  • 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_69cea7d3587881909539a7bea05e328a completed April 2, 2026, 5:30 p.m.
NEDg Description generation batch_69cea994f0ac819092fb34a0f2357611 completed April 2, 2026, 5:38 p.m.
NED2 Entity disambiguation (via description) batch_69ceaa4c7ba08190be86cccc3a857656 completed April 2, 2026, 5:41 p.m.
Created at: March 30, 2026, 5:24 p.m.