Triple
T8044271
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maelbeek metro station |
E187509
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object |
Line 1 of the Brussels Metro
Line 1 of the Brussels Metro is a major east–west rapid transit line in Brussels, Belgium, connecting key residential and commercial areas across the city.
|
E55760
|
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: Line 1 of the Brussels Metro | Statement: [Maelbeek metro station, servedByLine, Line 1 of the Brussels Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Line 1 of the Brussels Metro Context triple: [Maelbeek metro station, servedByLine, Line 1 of the 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.
Charleroi Metro
Charleroi Metro is a light rail and pre-metro transit system serving the Belgian city of Charleroi and its suburbs.
-
C.
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.
-
D.
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.
-
E.
Paris Métro Line 1
Paris Métro Line 1 is the oldest and one of the busiest lines of the Paris Métro, running primarily east–west through central Paris and serving many of the city’s major landmarks.
- 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: Line 1 of the Brussels Metro Triple: [Maelbeek metro station, servedByLine, Line 1 of the Brussels Metro]
Generated description
Line 1 of the Brussels Metro is a major east–west rapid transit line in Brussels, Belgium, connecting key residential and commercial areas across the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Line 1 of the Brussels Metro Target entity description: Line 1 of the Brussels Metro is a major east–west rapid transit line in Brussels, Belgium, connecting key residential and commercial areas across the city.
-
A.
Brussels Metro
chosen
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.
Charleroi Metro
Charleroi Metro is a light rail and pre-metro transit system serving the Belgian city of Charleroi and its suburbs.
-
C.
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.
-
D.
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.
-
E.
Paris Métro Line 1
Paris Métro Line 1 is the oldest and one of the busiest lines of the Paris Métro, running primarily east–west through central Paris and serving many of the city’s major landmarks.
- 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_69ca82b00cb48190b59a300f70e97bd7 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb3f4b5e0c819092949af0f995b850 |
completed | March 31, 2026, 3:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd340abffc8190bbc17aa9b775a9cb |
completed | April 1, 2026, 3:04 p.m. |
| NEDg | Description generation | batch_69cd36ecc1d88190a978f1d51b0e1382 |
completed | April 1, 2026, 3:17 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cd4e7822e48190bb573162f224bd8c |
completed | April 1, 2026, 4:57 p.m. |
Created at: March 30, 2026, 5:23 p.m.