Triple
T2633926
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | São Paulo Metro |
E59698
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
Line 4–Yellow
Line 4–Yellow is a major driverless metro line in São Paulo’s rapid transit system, connecting key central and western districts with high-capacity, automated service.
|
E286895
|
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 4–Yellow | Statement: [São Paulo Metro, hasLine, Line 4–Yellow]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Line 4–Yellow Context triple: [São Paulo Metro, hasLine, Line 4–Yellow]
-
A.
Line 4B
Line 4B is a planned rapid transit line of the Ho Chi Minh City Metro intended to expand urban rail connectivity within Vietnam’s largest city.
-
B.
Line 4A
Line 4A is a short branch line of the Santiago Metro in Chile that connects parts of southeastern Santiago to the main Line 4 corridor.
-
C.
Line 4 Sheppard
Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
-
D.
Metro Line 4
Metro Line 4 is a rapid transit route within a city's metro system that connects with other lines, including Metro Line 6, to facilitate passenger transfers across the network.
-
E.
Line 4 – blue
Line 4 – blue is a major line of the Santiago Metro system in Chile, serving key residential and commercial areas in the city.
- 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 4–Yellow Triple: [São Paulo Metro, hasLine, Line 4–Yellow]
Generated description
Line 4–Yellow is a major driverless metro line in São Paulo’s rapid transit system, connecting key central and western districts with high-capacity, automated service.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Line 4–Yellow Target entity description: Line 4–Yellow is a major driverless metro line in São Paulo’s rapid transit system, connecting key central and western districts with high-capacity, automated service.
-
A.
Line 4B
Line 4B is a planned rapid transit line of the Ho Chi Minh City Metro intended to expand urban rail connectivity within Vietnam’s largest city.
-
B.
Line 4A
Line 4A is a short branch line of the Santiago Metro in Chile that connects parts of southeastern Santiago to the main Line 4 corridor.
-
C.
Line 4 Sheppard
Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
-
D.
Metro Line 4
Metro Line 4 is a rapid transit route within a city's metro system that connects with other lines, including Metro Line 6, to facilitate passenger transfers across the network.
-
E.
Line 4 – blue
Line 4 – blue is a major line of the Santiago Metro system in Chile, serving key residential and commercial areas in the city.
- 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_69ab4ac8596c8190b34997e73d9e991c |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abd8def9bc8190b2e013abffc7b191 |
completed | March 7, 2026, 7:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af98bb55f08190bb072c9b106aa748 |
completed | March 10, 2026, 4:06 a.m. |
| NEDg | Description generation | batch_69af9990f77081908a03b454fad1fad9 |
completed | March 10, 2026, 4:09 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69af99fe48f881908a1a20f5eed8688c |
completed | March 10, 2026, 4:11 a.m. |
Created at: March 6, 2026, 9:50 p.m.