Triple
T4786671
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yerevan |
E106494
|
entity |
| Predicate | hasMetroSystem |
P522
|
FINISHED |
| Object |
Yerevan Metro
Yerevan Metro is the rapid transit system serving Armenia’s capital city, providing underground rail transportation across key urban areas.
|
E470137
|
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: Yerevan Metro | Statement: [Yerevan, hasMetroSystem, Yerevan Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yerevan Metro Context triple: [Yerevan, hasMetroSystem, Yerevan Metro]
-
A.
Tbilisi Metro
Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
-
B.
Baku Metro
Baku Metro is the rapid transit system serving Azerbaijan’s capital city, known for its Soviet-era architecture and role as a key component of Baku’s urban transportation network.
-
C.
Tbilisi funicular
The Tbilisi funicular is a historic hillside railway in Georgia’s capital that carries passengers between the city and the Mtatsminda plateau, offering panoramic views over Tbilisi.
-
D.
Tashkent Metro
Tashkent Metro is the rapid transit system serving Uzbekistan’s capital, notable for its Soviet-era architecture and ornately decorated underground stations.
-
E.
Almaty Metro
Almaty Metro is the rapid transit system serving Kazakhstan’s largest city, featuring underground lines that provide urban public transportation.
- 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: Yerevan Metro Triple: [Yerevan, hasMetroSystem, Yerevan Metro]
Generated description
Yerevan Metro is the rapid transit system serving Armenia’s capital city, providing underground rail transportation across key urban areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yerevan Metro Target entity description: Yerevan Metro is the rapid transit system serving Armenia’s capital city, providing underground rail transportation across key urban areas.
-
A.
Tbilisi Metro
Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
-
B.
Baku Metro
Baku Metro is the rapid transit system serving Azerbaijan’s capital city, known for its Soviet-era architecture and role as a key component of Baku’s urban transportation network.
-
C.
Tbilisi funicular
The Tbilisi funicular is a historic hillside railway in Georgia’s capital that carries passengers between the city and the Mtatsminda plateau, offering panoramic views over Tbilisi.
-
D.
Tashkent Metro
Tashkent Metro is the rapid transit system serving Uzbekistan’s capital, notable for its Soviet-era architecture and ornately decorated underground stations.
-
E.
Almaty Metro
Almaty Metro is the rapid transit system serving Kazakhstan’s largest city, featuring underground lines that provide urban public transportation.
- 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_69bd43f4a9588190bf73e20bc27c03cc |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd65d8f9d881909c24340b8dc6a104 |
completed | March 20, 2026, 3:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be43e01f6c81909ca0121c36d107e9 |
completed | March 21, 2026, 7:08 a.m. |
| NEDg | Description generation | batch_69be45cc228c8190942280ef3852caf7 |
completed | March 21, 2026, 7:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be467ffd50819090c92df520c91642 |
completed | March 21, 2026, 7:19 a.m. |
Created at: March 20, 2026, 1:22 p.m.