Triple
T16568434
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Grdelica train bombing |
E402521
|
entity |
| Predicate | railwayTraffic |
P19355
|
FINISHED |
| Object |
Belgrade–Thessaloniki corridor
The Belgrade–Thessaloniki corridor is a major international rail route linking Serbia’s capital with Greece’s second-largest city, forming a key segment of the broader north–south transport network in the Balkans.
|
E1225070
|
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: Belgrade–Thessaloniki corridor | Statement: [Grdelica train bombing, railwayTraffic, Belgrade–Thessaloniki corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Belgrade–Thessaloniki corridor Context triple: [Grdelica train bombing, railwayTraffic, Belgrade–Thessaloniki corridor]
-
A.
Belgrade–Niš highway
The Belgrade–Niš highway is a major Serbian motorway that connects the capital Belgrade with the city of Niš, forming a key segment of the country’s primary north–south transport corridor.
-
B.
Belgrade–Smederevo road
The Belgrade–Smederevo road is a major regional roadway in Serbia that links the capital city Belgrade with the historic city of Smederevo along the Danube corridor.
-
C.
Belgrade–Valjevo road corridor
The Belgrade–Valjevo road corridor is a key regional transport route in Serbia that links the capital Belgrade with the city of Valjevo and intermediate municipalities such as Lazarevac.
-
D.
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.
-
E.
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.
- 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: Belgrade–Thessaloniki corridor Triple: [Grdelica train bombing, railwayTraffic, Belgrade–Thessaloniki corridor]
Generated description
The Belgrade–Thessaloniki corridor is a major international rail route linking Serbia’s capital with Greece’s second-largest city, forming a key segment of the broader north–south transport network in the Balkans.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Belgrade–Thessaloniki corridor Target entity description: The Belgrade–Thessaloniki corridor is a major international rail route linking Serbia’s capital with Greece’s second-largest city, forming a key segment of the broader north–south transport network in the Balkans.
-
A.
Belgrade–Niš highway
The Belgrade–Niš highway is a major Serbian motorway that connects the capital Belgrade with the city of Niš, forming a key segment of the country’s primary north–south transport corridor.
-
B.
Belgrade–Smederevo road
The Belgrade–Smederevo road is a major regional roadway in Serbia that links the capital city Belgrade with the historic city of Smederevo along the Danube corridor.
-
C.
Belgrade–Valjevo road corridor
The Belgrade–Valjevo road corridor is a key regional transport route in Serbia that links the capital Belgrade with the city of Valjevo and intermediate municipalities such as Lazarevac.
-
D.
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.
-
E.
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.
- 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_6a007da4b60c8190a682d20aa881792c |
completed | May 10, 2026, 12:44 p.m. |
| NEDg | Description generation | batch_6a00805a84388190ac989129745e8234 |
completed | May 10, 2026, 12:55 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0080abae0c81908c827dced1b56aa6 |
completed | May 10, 2026, 12:57 p.m. |
Created at: April 10, 2026, 5:16 a.m.