Triple
T19587391
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yerevan Metro |
E470137
|
entity |
| Predicate | namedAfter |
P63
|
FINISHED |
| Object |
Karen Demirchyan Yerevan Metro
Karen Demirchyan Yerevan Metro is the rapid transit system serving Armenia’s capital city, Yerevan, and is named in honor of the Armenian politician Karen Demirchyan.
|
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: Karen Demirchyan Yerevan Metro | Statement: [Yerevan Metro, namedAfter, Karen Demirchyan Yerevan Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Karen Demirchyan Yerevan Metro Context triple: [Yerevan Metro, namedAfter, Karen Demirchyan Yerevan Metro]
-
A.
Yerevan Metro
Yerevan Metro is the rapid transit system serving Armenia’s capital city, providing underground rail transportation across key urban areas.
-
B.
Yerevan railway station
Yerevan railway station is the main railway terminal in Armenia’s capital, serving as a key hub for domestic and international train services, including routes to neighboring Georgia.
-
C.
Marshal Baghramyan station
Marshal Baghramyan station is a metro station on the Yerevan Metro system in Armenia’s capital city.
-
D.
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.
-
E.
Tbilisi Metro
Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for 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: Karen Demirchyan Yerevan Metro Triple: [Yerevan Metro, namedAfter, Karen Demirchyan Yerevan Metro]
Generated description
Karen Demirchyan Yerevan Metro is the rapid transit system serving Armenia’s capital city, Yerevan, and is named in honor of the Armenian politician Karen Demirchyan.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Karen Demirchyan Yerevan Metro Target entity description: Karen Demirchyan Yerevan Metro is the rapid transit system serving Armenia’s capital city, Yerevan, and is named in honor of the Armenian politician Karen Demirchyan.
-
A.
Yerevan Metro
chosen
Yerevan Metro is the rapid transit system serving Armenia’s capital city, providing underground rail transportation across key urban areas.
-
B.
Yerevan railway station
Yerevan railway station is the main railway terminal in Armenia’s capital, serving as a key hub for domestic and international train services, including routes to neighboring Georgia.
-
C.
Marshal Baghramyan station
Marshal Baghramyan station is a metro station on the Yerevan Metro system in Armenia’s capital city.
-
D.
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.
-
E.
Tbilisi Metro
Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
- F. None of above.
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_69d8e510024481908415c0d616fa6186 |
completed | April 10, 2026, 11:54 a.m. |
| NER | Named-entity recognition | batch_69e64052f61c81908bb49927d4246030 |
completed | April 20, 2026, 3:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0771a99edc8190b2ba4fad279109eb |
completed | May 15, 2026, 7:19 p.m. |
| NEDg | Description generation | batch_6a0772ef5f64819096d850a4a2347cd4 |
completed | May 15, 2026, 7:24 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0773543aa881909cf03e024387a595 |
completed | May 15, 2026, 7:26 p.m. |
Created at: April 10, 2026, 1:43 p.m.