Triple
T16568415
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Grdelica train bombing |
E402521
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object |
Niš–Skopje railway
The Niš–Skopje railway is an international rail line connecting the city of Niš in Serbia with Skopje in North Macedonia, serving as a key transport corridor in the central Balkans.
|
E1222798
|
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: Niš–Skopje railway | Statement: [Grdelica train bombing, railwayLine, Niš–Skopje railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Niš–Skopje railway Context triple: [Grdelica train bombing, railwayLine, Niš–Skopje railway]
-
A.
Belgrade–Skopje railway line
The Belgrade–Skopje railway line is a major international rail route connecting the capitals of Serbia and North Macedonia, serving as a key transport corridor in the Balkans.
-
B.
Belgrade–Niš–Sofia railway line
The Belgrade–Niš–Sofia railway line is a major international rail corridor connecting Serbia’s capital Belgrade with the city of Niš and onward to Bulgaria’s capital Sofia, serving as a key transport route between Central and Southeastern Europe.
-
C.
Belgrade–Bar railway
The Belgrade–Bar railway is a major international rail line connecting Serbia’s capital Belgrade with the Montenegrin Adriatic port of Bar, renowned for its mountainous route and numerous bridges and tunnels.
-
D.
Titograd–Nikšić railway line
The Titograd–Nikšić railway line is a Montenegrin rail route connecting the capital Podgorica (formerly Titograd) with the industrial city of Nikšić.
-
E.
Belgrade–Zagreb railway corridor
The Belgrade–Zagreb railway corridor is a major international rail line connecting the capitals of Serbia and Croatia as part of the broader pan-European transport network.
- 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: Niš–Skopje railway Triple: [Grdelica train bombing, railwayLine, Niš–Skopje railway]
Generated description
The Niš–Skopje railway is an international rail line connecting the city of Niš in Serbia with Skopje in North Macedonia, serving as a key transport corridor in the central Balkans.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Niš–Skopje railway Target entity description: The Niš–Skopje railway is an international rail line connecting the city of Niš in Serbia with Skopje in North Macedonia, serving as a key transport corridor in the central Balkans.
-
A.
Belgrade–Skopje railway line
The Belgrade–Skopje railway line is a major international rail route connecting the capitals of Serbia and North Macedonia, serving as a key transport corridor in the Balkans.
-
B.
Belgrade–Niš–Sofia railway line
The Belgrade–Niš–Sofia railway line is a major international rail corridor connecting Serbia’s capital Belgrade with the city of Niš and onward to Bulgaria’s capital Sofia, serving as a key transport route between Central and Southeastern Europe.
-
C.
Belgrade–Bar railway
The Belgrade–Bar railway is a major international rail line connecting Serbia’s capital Belgrade with the Montenegrin Adriatic port of Bar, renowned for its mountainous route and numerous bridges and tunnels.
-
D.
Titograd–Nikšić railway line
The Titograd–Nikšić railway line is a Montenegrin rail route connecting the capital Podgorica (formerly Titograd) with the industrial city of Nikšić.
-
E.
Belgrade–Zagreb railway corridor
The Belgrade–Zagreb railway corridor is a major international rail line connecting the capitals of Serbia and Croatia as part of the broader pan-European transport network.
- 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_69d8838648088190acf97ef11fc3f61b |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e35773c00c819091731bebc02a69bb |
completed | April 18, 2026, 10:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00759424348190889dacbbc7435238 |
completed | May 10, 2026, 12:09 p.m. |
| NEDg | Description generation | batch_6a00783334a08190ae76fd7e114a9dd6 |
completed | May 10, 2026, 12:21 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0078562e788190b80a4ee27788ff69 |
completed | May 10, 2026, 12:21 p.m. |
Created at: April 10, 2026, 5:16 a.m.