Triple
T2671700
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brussels Metro |
E55760
|
entity |
| Predicate | hasComponent |
P35
|
FINISHED |
| Object |
Brussels Premetro
Brussels Premetro is a network of underground tram lines in Brussels that operates partly like a metro system, serving as a precursor and complement to the full Brussels Metro.
|
E56003
|
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: Brussels Premetro | Statement: [Brussels Metro, hasComponent, Brussels Premetro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brussels Premetro Context triple: [Brussels Metro, hasComponent, Brussels Premetro]
-
A.
Brussels Metro
The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
-
B.
Brussels tram system
The Brussels tram system is an extensive urban light rail network that complements the city’s metro and bus services, providing key public transportation across the Brussels-Capital Region.
-
C.
Brussels suburban rail network
The Brussels suburban rail network is a regional commuter rail system serving Brussels and its surrounding areas, connecting the city with nearby towns and suburbs through frequent train services.
-
D.
Brussels Central metro station
Brussels Central metro station is an underground rapid transit station in central Brussels that serves as a key link between the city’s metro network and the nearby Brussels-Central railway station.
-
E.
STIB/MIVB Brussels fare zone
The STIB/MIVB Brussels fare zone is the main urban tariff area within which Brussels’ public transport operator applies its standard ticketing and passes across the city’s metro, tram, and bus 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: Brussels Premetro Triple: [Brussels Metro, hasComponent, Brussels Premetro]
Generated description
Brussels Premetro is a network of underground tram lines in Brussels that operates partly like a metro system, serving as a precursor and complement to the full Brussels Metro.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Brussels Premetro Target entity description: Brussels Premetro is a network of underground tram lines in Brussels that operates partly like a metro system, serving as a precursor and complement to the full Brussels Metro.
-
A.
Brussels Metro
The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
-
B.
Brussels tram system
chosen
The Brussels tram system is an extensive urban light rail network that complements the city’s metro and bus services, providing key public transportation across the Brussels-Capital Region.
-
C.
Brussels suburban rail network
The Brussels suburban rail network is a regional commuter rail system serving Brussels and its surrounding areas, connecting the city with nearby towns and suburbs through frequent train services.
-
D.
Brussels Central metro station
Brussels Central metro station is an underground rapid transit station in central Brussels that serves as a key link between the city’s metro network and the nearby Brussels-Central railway station.
-
E.
STIB/MIVB Brussels fare zone
The STIB/MIVB Brussels fare zone is the main urban tariff area within which Brussels’ public transport operator applies its standard ticketing and passes across the city’s metro, tram, and bus network.
- F. None of above.
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_69ab49e54de48190be708cd1cf8be073 |
completed | March 6, 2026, 9:40 p.m. |
| NER | Named-entity recognition | batch_69abd98f98908190b5c6fb38d3d4367a |
completed | March 7, 2026, 7:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afaf54711881909936ecf850ff6e2e |
completed | March 10, 2026, 5:42 a.m. |
| NEDg | Description generation | batch_69afb000ed448190a3d6db802eb88958 |
completed | March 10, 2026, 5:45 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afb07e1d2c8190a8b8da3d3641b36c |
completed | March 10, 2026, 5:47 a.m. |
Created at: March 6, 2026, 9:54 p.m.