Triple
T4252309
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Charleroi |
E95883
|
entity |
| Predicate | hasMetro |
P17559
|
FINISHED |
| Object |
Charleroi Metro
Charleroi Metro is a light rail and pre-metro transit system serving the Belgian city of Charleroi and its suburbs.
|
E423773
|
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: Charleroi Metro | Statement: [Charleroi, hasMetro, Charleroi Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Charleroi Metro Context triple: [Charleroi, hasMetro, Charleroi 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.
Lille Metro
The Lille Metro is a fully automated light metro system serving the city of Lille and its metropolitan area in northern France.
-
C.
Schuman metro station
Schuman metro station is a key public transport hub in Brussels, serving metro and rail lines that connect the European Union institutions with the rest of the city and region.
-
D.
Rennes Metro
Rennes Metro is the rapid transit system serving the city of Rennes in France, providing urban rail transport across the metropolitan area.
-
E.
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.
- 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: Charleroi Metro Triple: [Charleroi, hasMetro, Charleroi Metro]
Generated description
Charleroi Metro is a light rail and pre-metro transit system serving the Belgian city of Charleroi and its suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Charleroi Metro Target entity description: Charleroi Metro is a light rail and pre-metro transit system serving the Belgian city of Charleroi and its suburbs.
-
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.
Lille Metro
The Lille Metro is a fully automated light metro system serving the city of Lille and its metropolitan area in northern France.
-
C.
Schuman metro station
Schuman metro station is a key public transport hub in Brussels, serving metro and rail lines that connect the European Union institutions with the rest of the city and region.
-
D.
Rennes Metro
Rennes Metro is the rapid transit system serving the city of Rennes in France, providing urban rail transport across the metropolitan area.
-
E.
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.
- 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_69b3453f759881909b91f01a1e82c036 |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b34ebc98e08190915ac309a51ef87f |
completed | March 12, 2026, 11:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5a8845e6081908bbf1aef2a2da754 |
completed | March 14, 2026, 6:27 p.m. |
| NEDg | Description generation | batch_69b5a8f374fc8190830286dfadc9bdbb |
completed | March 14, 2026, 6:29 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5a99a4a9c8190a7e9bbc119d8d775 |
completed | March 14, 2026, 6:31 p.m. |
Created at: March 12, 2026, 11:06 p.m.