Triple
T21327610
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bucha |
E525801
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Kyiv–Kovel railway line |
—
|
NE NERFINISHED |
How this triple was built (3 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: Kyiv–Kovel railway line | Statement: [Bucha, railwayLine, Kyiv–Kovel railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kyiv–Kovel railway line Context triple: [Bucha, railwayLine, Kyiv–Kovel railway line]
-
A.
Lviv–Rakhiv railway line
The Lviv–Rakhiv railway line is a major Ukrainian rail route crossing the Carpathian Mountains and linking the city of Lviv with the town of Rakhiv in the country’s western region.
-
B.
Merefa–Kherson railway line
The Merefa–Kherson railway line is a Ukrainian rail route connecting the city of Merefa near Kharkiv with the southern city of Kherson, serving as an important north–south transportation corridor.
-
C.
Fastiv–Myronivka line
The Fastiv–Myronivka line is a regional railway route in central Ukraine that connects the town of Fastiv with Myronivka as part of the country’s broader rail network.
-
D.
Kharkiv–Izium route
The Kharkiv–Izium route is a key transportation corridor in eastern Ukraine connecting the major city of Kharkiv with the town of Izium and intermediate settlements such as Balakliia.
-
E.
Oleksiivska line
The Oleksiivska line is one of the main lines of the Kharkiv Metro system in Kharkiv, Ukraine, serving several key residential and commercial districts of the city.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kyiv–Kovel railway line Target entity description: The Kyiv–Kovel railway line is a major rail route in northwestern Ukraine that connects the capital city Kyiv with the city of Kovel, serving numerous intermediate towns and facilitating both passenger and freight transport.
-
A.
Lviv–Rakhiv railway line
The Lviv–Rakhiv railway line is a major Ukrainian rail route crossing the Carpathian Mountains and linking the city of Lviv with the town of Rakhiv in the country’s western region.
-
B.
Merefa–Kherson railway line
The Merefa–Kherson railway line is a Ukrainian rail route connecting the city of Merefa near Kharkiv with the southern city of Kherson, serving as an important north–south transportation corridor.
-
C.
Fastiv–Myronivka line
The Fastiv–Myronivka line is a regional railway route in central Ukraine that connects the town of Fastiv with Myronivka as part of the country’s broader rail network.
-
D.
Kharkiv–Izium route
The Kharkiv–Izium route is a key transportation corridor in eastern Ukraine connecting the major city of Kharkiv with the town of Izium and intermediate settlements such as Balakliia.
-
E.
Oleksiivska line
The Oleksiivska line is one of the main lines of the Kharkiv Metro system in Kharkiv, Ukraine, serving several key residential and commercial districts of the city.
- F. None of above. chosen
Provenance (2 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_69e0b51b90788190a4dd823d962626da |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7ab4d69b4819088649e34213d0b67 |
completed | April 21, 2026, 4:52 p.m. |
Created at: April 16, 2026, 4:41 p.m.