Triple
T20049566
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Merefa |
E499155
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Merefa–Kherson 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: Merefa–Kherson railway line | Statement: [Merefa, locatedOn, Merefa–Kherson railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Merefa–Kherson railway line Context triple: [Merefa, locatedOn, Merefa–Kherson railway line]
-
A.
Moscow–Kyiv railway
The Moscow–Kyiv railway is a major international rail line connecting Russia’s capital Moscow with Ukraine’s capital Kyiv, serving as a key passenger and freight corridor between the two countries.
-
B.
Saint Petersburg–Kyiv line
The Saint Petersburg–Kyiv line is a major historical railway route linking Russia’s former imperial capital Saint Petersburg with Ukraine’s capital Kyiv, passing through key cities such as Orsha.
-
C.
Simferopol–Yevpatoria line
The Simferopol–Yevpatoria line is a key railway route in Crimea connecting the regional capital Simferopol with the Black Sea resort city of Yevpatoria.
-
D.
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.
-
E.
Sofia–Mezdra railway line
The Sofia–Mezdra railway line is a key Bulgarian rail route connecting the capital Sofia with the town of Mezdra through the scenic Iskar Gorge.
- 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: Merefa–Kherson railway line Target entity description: 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.
-
A.
Moscow–Kyiv railway
The Moscow–Kyiv railway is a major international rail line connecting Russia’s capital Moscow with Ukraine’s capital Kyiv, serving as a key passenger and freight corridor between the two countries.
-
B.
Saint Petersburg–Kyiv line
The Saint Petersburg–Kyiv line is a major historical railway route linking Russia’s former imperial capital Saint Petersburg with Ukraine’s capital Kyiv, passing through key cities such as Orsha.
-
C.
Simferopol–Yevpatoria line
The Simferopol–Yevpatoria line is a key railway route in Crimea connecting the regional capital Simferopol with the Black Sea resort city of Yevpatoria.
-
D.
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.
-
E.
Sofia–Mezdra railway line
The Sofia–Mezdra railway line is a key Bulgarian rail route connecting the capital Sofia with the town of Mezdra through the scenic Iskar Gorge.
- 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_69da6276bcf48190aabbf279192a5fb4 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6632cccb481908278c8b2930a8c26 |
completed | April 20, 2026, 5:32 p.m. |
Created at: April 11, 2026, 3:37 p.m.