Triple
T1658623
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tehran Metro |
E35854
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Tehran (Sadeghiyeh) Metro Station
Tehran (Sadeghiyeh) Metro Station is a major western terminus and busy interchange hub on the Tehran Metro network, serving as a key gateway between the city and its western suburbs.
|
E195991
|
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 (Sadeghiyeh) Metro Station | Statement: [Tehran Metro, hasStation, Tehran (Sadeghiyeh) Metro Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tehran (Sadeghiyeh) Metro Station Context triple: [Tehran Metro, hasStation, Tehran (Sadeghiyeh) Metro Station]
-
A.
Imam Khomeini Metro Station
Imam Khomeini Metro Station is a major central interchange hub in the Tehran Metro network, connecting multiple lines and serving as a key transit point in Iran’s capital.
-
B.
Tajrish Metro Station
Tajrish Metro Station is a major northern terminus of Tehran’s metro network, serving as a key transit hub for commuters and visitors in the Tajrish area.
-
C.
Teatr-e Shahr Metro Station
Teatr-e Shahr Metro Station is a major urban rail station in central Tehran serving the Tehran Metro network near the City Theater complex.
-
D.
Eram-e Sabz Metro Station
Eram-e Sabz Metro Station is a station on the Tehran Metro system serving passengers in the western part of Iran’s capital city.
-
E.
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.
- 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 (Sadeghiyeh) Metro Station Triple: [Tehran Metro, hasStation, Tehran (Sadeghiyeh) Metro Station]
Generated description
Tehran (Sadeghiyeh) Metro Station is a major western terminus and busy interchange hub on the Tehran Metro network, serving as a key gateway between the city and its western suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tehran (Sadeghiyeh) Metro Station Target entity description: Tehran (Sadeghiyeh) Metro Station is a major western terminus and busy interchange hub on the Tehran Metro network, serving as a key gateway between the city and its western suburbs.
-
A.
Imam Khomeini Metro Station
Imam Khomeini Metro Station is a major central interchange hub in the Tehran Metro network, connecting multiple lines and serving as a key transit point in Iran’s capital.
-
B.
Tajrish Metro Station
Tajrish Metro Station is a major northern terminus of Tehran’s metro network, serving as a key transit hub for commuters and visitors in the Tajrish area.
-
C.
Teatr-e Shahr Metro Station
Teatr-e Shahr Metro Station is a major urban rail station in central Tehran serving the Tehran Metro network near the City Theater complex.
-
D.
Eram-e Sabz Metro Station
Eram-e Sabz Metro Station is a station on the Tehran Metro system serving passengers in the western part of Iran’s capital city.
-
E.
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.
- 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_69ada0c59f608190984dd3bdf695acc3 |
completed | March 8, 2026, 4:16 p.m. |
| NEDg | Description generation | batch_69ada1a0510481908ed8c36c9ae9a1a0 |
completed | March 8, 2026, 4:19 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ada26343988190bd067ca97186eb96 |
completed | March 8, 2026, 4:22 p.m. |
Created at: March 4, 2026, 7:29 p.m.