Triple
T1403445
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bucharest |
E31636
|
entity |
| Predicate | hasTransportSystem |
P473
|
FINISHED |
| Object |
Bucharest Metro
The Bucharest Metro is the rapid transit system serving Romania’s capital city, providing high-capacity urban rail transport across Bucharest.
|
E160604
|
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: Bucharest Metro | Statement: [Bucharest, hasTransportSystem, Bucharest Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bucharest Metro Context triple: [Bucharest, hasTransportSystem, Bucharest Metro]
-
A.
Budapest Metro
The Budapest Metro is the rapid transit system serving Hungary’s capital, notable for including Line 1, one of the oldest electrified underground railway lines in continental Europe.
-
B.
Turin Metro
The Turin Metro is a fully automated, driverless rapid transit system serving the city of Turin, Italy.
-
C.
Prague Metro
The Prague Metro is the rapid transit system serving the Czech capital, known for its three main lines, deep underground stations, and role as the backbone of the city's public transportation network.
-
D.
Warsaw Metro
The Warsaw Metro is the rapid transit system serving Poland's capital, consisting of underground lines that connect key districts across the city.
-
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: Bucharest Metro Triple: [Bucharest, hasTransportSystem, Bucharest Metro]
Generated description
The Bucharest Metro is the rapid transit system serving Romania’s capital city, providing high-capacity urban rail transport across Bucharest.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bucharest Metro Target entity description: The Bucharest Metro is the rapid transit system serving Romania’s capital city, providing high-capacity urban rail transport across Bucharest.
-
A.
Budapest Metro
The Budapest Metro is the rapid transit system serving Hungary’s capital, notable for including Line 1, one of the oldest electrified underground railway lines in continental Europe.
-
B.
Turin Metro
The Turin Metro is a fully automated, driverless rapid transit system serving the city of Turin, Italy.
-
C.
Prague Metro
The Prague Metro is the rapid transit system serving the Czech capital, known for its three main lines, deep underground stations, and role as the backbone of the city's public transportation network.
-
D.
Warsaw Metro
The Warsaw Metro is the rapid transit system serving Poland's capital, consisting of underground lines that connect key districts across the city.
-
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
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_69a49918e1f88190ba610f9dc8114578 |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c3a0330c8190b22452d29c79fcf4 |
completed | March 1, 2026, 10:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acde39d14c81909a76704c8e16c744 |
completed | March 8, 2026, 2:26 a.m. |
| NEDg | Description generation | batch_69acdfc287648190b9a7313a074ceea5 |
completed | March 8, 2026, 2:32 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ace0b0c14481909559f926c190c146 |
completed | March 8, 2026, 2:36 a.m. |
Created at: March 1, 2026, 7:59 p.m.