Triple
T34997977
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Porto metropolitan public transport network |
E1009591
|
entity |
| Predicate | metroElectrification |
P94567
|
FINISHED |
| Object | 750 V DC overhead line |
—
|
LITERAL FINISHED |
How this triple was built (2 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: 750 V DC overhead line | Statement: [Porto metropolitan public transport network, metroElectrification, 750 V DC overhead line]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: metroElectrification Context triple: [Porto metropolitan public transport network, metroElectrification, 750 V DC overhead line]
-
A.
metroLineInaugurated
Indicates that a metro line was officially opened and began operation on a specific date or during a specific event.
-
B.
urbanRailway
Indicates a relationship where a railway system operates within or primarily serves an urban or metropolitan area.
-
C.
railElectrificationIncludes
chosen
Indicates that a rail electrification system or project encompasses, covers, or incorporates a specified segment, component, or area of railway infrastructure.
-
D.
metro
Indicates a relationship where an entity is associated with, located in, or served by a metropolitan transit system (such as a subway or urban rail network).
-
E.
metroSystemName
Indicates the name assigned to a particular metro (subway) system.
- F. None of above.
Provenance (3 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_69f76dca50dc8190b71f39defe186be8 |
completed | May 3, 2026, 3:46 p.m. |
| NER | Named-entity recognition | batch_69f7979a073881909a4fde2558e6b6f3 |
completed | May 3, 2026, 6:44 p.m. |
| PD | Predicate disambiguation | batch_69f7961550f88190b7bb8a9155458b54 |
completed | May 3, 2026, 6:38 p.m. |
Created at: May 3, 2026, 4:01 p.m.