Triple
T8048110
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tehran Imam Khomeini International Airport |
E187603
|
entity |
| Predicate | hasGroundTransport |
P1298
|
FINISHED |
| Object |
Tehran–IKIA railway connection
The Tehran–IKIA railway connection is a rail link that connects central Tehran with Imam Khomeini International Airport, providing a direct public transit option for air travelers.
|
E712407
|
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–IKIA railway connection | Statement: [Tehran Imam Khomeini International Airport, hasGroundTransport, Tehran–IKIA railway connection]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tehran–IKIA railway connection Context triple: [Tehran Imam Khomeini International Airport, hasGroundTransport, Tehran–IKIA railway connection]
-
A.
Tehran–Tabriz railway
The Tehran–Tabriz railway is a major rail line in Iran that links the capital Tehran with the northwestern city of Tabriz, serving as a key corridor for passenger and freight transport across the country.
-
B.
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.
-
C.
Tehran–Karaj corridor
The Tehran–Karaj corridor is a major urban and transportation axis linking Iran’s capital Tehran with the nearby city of Karaj, forming one of the country’s most densely populated and heavily traveled metropolitan regions.
-
D.
Tehran Metro
Tehran Metro is the rapid transit system serving Iran’s capital, providing extensive urban and suburban rail transport across the Tehran metropolitan area.
-
E.
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.
- 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–IKIA railway connection Triple: [Tehran Imam Khomeini International Airport, hasGroundTransport, Tehran–IKIA railway connection]
Generated description
The Tehran–IKIA railway connection is a rail link that connects central Tehran with Imam Khomeini International Airport, providing a direct public transit option for air travelers.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tehran–IKIA railway connection Target entity description: The Tehran–IKIA railway connection is a rail link that connects central Tehran with Imam Khomeini International Airport, providing a direct public transit option for air travelers.
-
A.
Tehran–Tabriz railway
The Tehran–Tabriz railway is a major rail line in Iran that links the capital Tehran with the northwestern city of Tabriz, serving as a key corridor for passenger and freight transport across the country.
-
B.
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.
-
C.
Tehran–Karaj corridor
The Tehran–Karaj corridor is a major urban and transportation axis linking Iran’s capital Tehran with the nearby city of Karaj, forming one of the country’s most densely populated and heavily traveled metropolitan regions.
-
D.
Tehran Metro
Tehran Metro is the rapid transit system serving Iran’s capital, providing extensive urban and suburban rail transport across the Tehran metropolitan area.
-
E.
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.
- 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_69cc93cc0cec8190834e4c24f6d03a99 |
completed | April 1, 2026, 3:41 a.m. |
| NEDg | Description generation | batch_69cc969e0ecc8190973658542d1406bc |
completed | April 1, 2026, 3:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc9771b6e48190bd5f45c3f8853890 |
completed | April 1, 2026, 3:56 a.m. |
Created at: March 30, 2026, 5:24 p.m.