Triple
T8048252
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 1 (Tehran Metro) |
E187608
|
entity |
| Predicate | hasTerminus |
P388
|
FINISHED |
| Object |
Kahrizak Metro Station
Kahrizak Metro Station is the southern terminal station of Tehran Metro’s Line 1, serving the Kahrizak area on the outskirts of the city.
|
E720146
|
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: Kahrizak Metro Station | Statement: [Line 1 (Tehran Metro), hasTerminus, Kahrizak Metro Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kahrizak Metro Station Context triple: [Line 1 (Tehran Metro), hasTerminus, Kahrizak Metro Station]
-
A.
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.
-
B.
Mashreq Metro Station
Mashreq Metro Station is a stop on Dubai Metro’s Red Line serving the Al Barsha area and nearby residential and commercial developments.
-
C.
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.
-
D.
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.
-
E.
Abu Hail Metro Station
Abu Hail Metro Station is a passenger station on Dubai’s driverless rapid transit network, serving the Abu Hail area along the system’s Green Line.
- 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: Kahrizak Metro Station Triple: [Line 1 (Tehran Metro), hasTerminus, Kahrizak Metro Station]
Generated description
Kahrizak Metro Station is the southern terminal station of Tehran Metro’s Line 1, serving the Kahrizak area on the outskirts of the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kahrizak Metro Station Target entity description: Kahrizak Metro Station is the southern terminal station of Tehran Metro’s Line 1, serving the Kahrizak area on the outskirts of the city.
-
A.
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.
-
B.
Mashreq Metro Station
Mashreq Metro Station is a stop on Dubai Metro’s Red Line serving the Al Barsha area and nearby residential and commercial developments.
-
C.
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.
-
D.
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.
-
E.
Abu Hail Metro Station
Abu Hail Metro Station is a passenger station on Dubai’s driverless rapid transit network, serving the Abu Hail area along the system’s Green Line.
- 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_69cd341a2d2081909e812361025dc1cb |
completed | April 1, 2026, 3:04 p.m. |
| NEDg | Description generation | batch_69cd36ecc1d88190a978f1d51b0e1382 |
completed | April 1, 2026, 3:17 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cd4e7822e48190bb573162f224bd8c |
completed | April 1, 2026, 4:57 p.m. |
Created at: March 30, 2026, 5:24 p.m.