Triple
T1658626
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tehran Metro |
E35854
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Haft-e Tir Metro Station
Haft-e Tir Metro Station is an underground station on the Tehran Metro network serving the busy Haft-e Tir Square area in central Tehran.
|
E202982
|
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: Haft-e Tir Metro Station | Statement: [Tehran Metro, hasStation, Haft-e Tir Metro Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Haft-e Tir Metro Station Context triple: [Tehran Metro, hasStation, Haft-e Tir Metro Station]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Darvazeh Dowlat Metro Station
Darvazeh Dowlat Metro Station is a major interchange station in central Tehran that connects key metro lines and serves as an important transit hub for the city.
-
E.
Shahid Beheshti Metro Station
Shahid Beheshti Metro Station is a key interchange station in the Tehran Metro network, connecting major lines and serving as an important transit hub 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: Haft-e Tir Metro Station Triple: [Tehran Metro, hasStation, Haft-e Tir Metro Station]
Generated description
Haft-e Tir Metro Station is an underground station on the Tehran Metro network serving the busy Haft-e Tir Square area in central Tehran.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Haft-e Tir Metro Station Target entity description: Haft-e Tir Metro Station is an underground station on the Tehran Metro network serving the busy Haft-e Tir Square area in central Tehran.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Darvazeh Dowlat Metro Station
Darvazeh Dowlat Metro Station is a major interchange station in central Tehran that connects key metro lines and serves as an important transit hub for the city.
-
E.
Shahid Beheshti Metro Station
Shahid Beheshti Metro Station is a key interchange station in the Tehran Metro network, connecting major lines and serving as an important transit hub 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_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_69adbf42b39c819092f89cde635b20ec |
completed | March 8, 2026, 6:26 p.m. |
| NEDg | Description generation | batch_69adbff135188190908058a2e2d41a1e |
completed | March 8, 2026, 6:29 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adc0832cd881909702f380412702d5 |
completed | March 8, 2026, 6:31 p.m. |
Created at: March 4, 2026, 7:29 p.m.