Triple
T1658619
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tehran Metro |
E35854
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
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.
|
E187610
|
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: Imam Khomeini Metro Station | Statement: [Tehran Metro, hasStation, Imam Khomeini Metro Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Imam Khomeini Metro Station Context triple: [Tehran Metro, hasStation, Imam Khomeini Metro Station]
-
A.
Sadat metro station
Sadat metro station is a major Cairo Metro interchange located beneath Tahrir Square, serving as a key access point to central Cairo landmarks including the Egyptian Museum.
-
B.
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.
-
C.
BurJuman station
BurJuman station is a major interchange stop on the Dubai Metro, connecting key lines and serving the busy BurJuman shopping and business district.
-
D.
Syntagma metro station
Syntagma metro station is a major underground transit hub in central Athens, Greece, serving multiple metro lines and providing access to key political and commercial areas of the city.
-
E.
Sa’dabad Complex
Sa’dabad Complex is a vast historical and cultural palace complex in northern Tehran that once served as a royal residence and now functions as a museum and public attraction.
- 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: Imam Khomeini Metro Station Triple: [Tehran Metro, hasStation, Imam Khomeini Metro Station]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Imam Khomeini Metro Station Target entity description: 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.
-
A.
Sadat metro station
Sadat metro station is a major Cairo Metro interchange located beneath Tahrir Square, serving as a key access point to central Cairo landmarks including the Egyptian Museum.
-
B.
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.
-
C.
BurJuman station
BurJuman station is a major interchange stop on the Dubai Metro, connecting key lines and serving the busy BurJuman shopping and business district.
-
D.
Syntagma metro station
Syntagma metro station is a major underground transit hub in central Athens, Greece, serving multiple metro lines and providing access to key political and commercial areas of the city.
-
E.
Sa’dabad Complex
Sa’dabad Complex is a vast historical and cultural palace complex in northern Tehran that once served as a royal residence and now functions as a museum and public attraction.
- 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_69ad6827ff2c8190b7c9af9926a7452c |
completed | March 8, 2026, 12:14 p.m. |
| NEDg | Description generation | batch_69ad68edbd2c819090c6556966eb279a |
completed | March 8, 2026, 12:17 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad69724c9c8190a2314a8f30f18f7d |
completed | March 8, 2026, 12:20 p.m. |
Created at: March 4, 2026, 7:29 p.m.