Triple
T7554142
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Belgrade–Bar railway |
E178613
|
entity |
| Predicate | infrastructureManagerInSerbia |
P15572
|
FINISHED |
| Object |
Serbian Railways Infrastructure
Serbian Railways Infrastructure is the state-owned company responsible for managing and maintaining Serbia’s national railway infrastructure network.
|
E672374
|
NE FINISHED |
How this triple was built (5 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: Serbian Railways Infrastructure | Statement: [Belgrade–Bar railway, infrastructureManagerInSerbia, Serbian Railways Infrastructure]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Serbian Railways Infrastructure Context triple: [Belgrade–Bar railway, infrastructureManagerInSerbia, Serbian Railways Infrastructure]
-
A.
Belgrade suburban railway (BG Voz)
Belgrade suburban railway (BG Voz) is an urban rail system serving Belgrade and its surrounding municipalities, providing frequent commuter connections across the metropolitan area.
-
B.
Croatian Railways
Croatian Railways is Croatia’s national state-owned railway company responsible for operating passenger and freight rail services across the country.
-
C.
HŽ Infrastruktura
HŽ Infrastruktura is the Croatian state-owned company responsible for managing and maintaining the country’s railway infrastructure network.
-
D.
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.
-
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: Serbian Railways Infrastructure Triple: [Belgrade–Bar railway, infrastructureManagerInSerbia, Serbian Railways Infrastructure]
Generated description
Serbian Railways Infrastructure is the state-owned company responsible for managing and maintaining Serbia’s national railway infrastructure network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Serbian Railways Infrastructure Target entity description: Serbian Railways Infrastructure is the state-owned company responsible for managing and maintaining Serbia’s national railway infrastructure network.
-
A.
Belgrade suburban railway (BG Voz)
Belgrade suburban railway (BG Voz) is an urban rail system serving Belgrade and its surrounding municipalities, providing frequent commuter connections across the metropolitan area.
-
B.
Croatian Railways
Croatian Railways is Croatia’s national state-owned railway company responsible for operating passenger and freight rail services across the country.
-
C.
HŽ Infrastruktura
HŽ Infrastruktura is the Croatian state-owned company responsible for managing and maintaining the country’s railway infrastructure network.
-
D.
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.
-
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
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: infrastructureManagerInSerbia Context triple: [Belgrade–Bar railway, infrastructureManagerInSerbia, Serbian Railways Infrastructure]
-
A.
infrastructureManager
chosen
Indicates a relationship where one entity is responsible for overseeing, maintaining, or administering the infrastructure of another entity or system.
-
B.
isPartOfInfrastructure
Indicates that something belongs to, is included within, or functions as a component of a larger infrastructure system.
-
C.
parallelInfrastructure
Indicates that two or more infrastructure elements are arranged or operate in parallel to each other, typically serving similar functions simultaneously.
-
D.
infrastructureLevel
Indicates the degree or quality of infrastructure present or provided in relation to an entity or location.
-
E.
operatorOfTransportInfrastructure
Indicates that an entity operates, manages, or runs a specific piece of transport infrastructure.
- F. None of above.
Provenance (6 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_69c69f2da22c8190a50942ac20af70e8 |
completed | March 27, 2026, 3:15 p.m. |
| NER | Named-entity recognition | batch_69c6f8b990148190b26a3a262cf538b3 |
completed | March 27, 2026, 9:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c84f3602008190aa91cf55e43bdf30 |
completed | March 28, 2026, 9:59 p.m. |
| NEDg | Description generation | batch_69c85432ff8c81909f5ec837fd1f6743 |
completed | March 28, 2026, 10:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c854bbb9c08190bc151cdcef74ee54 |
completed | March 28, 2026, 10:22 p.m. |
| PD | Predicate disambiguation | batch_69c6f4daad6c8190af2b8ae88d2c8cb7 |
completed | March 27, 2026, 9:21 p.m. |
Created at: March 27, 2026, 3:49 p.m.