Triple

T8344086
Position Surface form Disambiguated ID Type / Status
Subject Tehran (Sadeghiyeh) Metro Station E195991 entity
Predicate interchangeBetween P21487 FINISHED
Object Tehran Metro Line 2 E722445 NE FINISHED

How this triple was built (3 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 2 | Statement: [Tehran (Sadeghiyeh) Metro Station, interchangeBetween, Tehran Metro Line 2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tehran Metro Line 2
Context triple: [Tehran (Sadeghiyeh) Metro Station, interchangeBetween, Tehran Metro Line 2]
  • A. Tehran Metro Line 2 chosen
    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.
  • B. Tehran Metro Line 1
    Tehran Metro Line 1 is the main north–south rapid transit line in Tehran’s metro system, running through many of the city’s central and densely populated areas.
  • C. Tehran Metro Line 3
    Tehran Metro Line 3 is a major north–south rapid transit line in Tehran’s metro network, serving as one of the city’s key high-capacity urban rail corridors.
  • D. 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.
  • E. Tehran Metro Line 5
    Tehran Metro Line 5 is a suburban commuter rail line of the Tehran Metro system that connects Tehran with the nearby city of Karaj and surrounding satellite towns.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: interchangeBetween
Context triple: [Tehran (Sadeghiyeh) Metro Station, interchangeBetween, Tehran Metro Line 2]
  • A. interchangeSystem
    Indicates a relationship where two or more systems are connected in such a way that they can exchange or transfer items, data, or services between them.
  • B. isInterchangeBetween chosen
    Indicates a relationship where something serves as a point or medium through which two or more entities can exchange or transfer items, information, or traffic between each other.
  • C. isInterchange
    Indicates that two entities can be substituted or exchanged for one another without affecting the relevant system, function, or outcome.
  • D. exchangeSegmentOf
    Indicates that one entity gives a portion or segment of something to another entity, typically as part of a reciprocal transfer or trade.
  • E. isInterchangeWith
    Indicates that two entities can be substituted or exchanged for one another without loss of function, value, or compatibility.
  • F. None of above.

Provenance (4 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_69ca82edd63c8190b876b8465464c5fa completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7fed6b588190ba5593859c8effc2 completed March 31, 2026, 8:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69d1524be8c08190b4d979a677dc5958 completed April 4, 2026, 6:02 p.m.
PD Predicate disambiguation batch_69cb70c6d0ec8190acf273b0e007b51a completed March 31, 2026, 6:59 a.m.
Created at: March 30, 2026, 5:58 p.m.