Triple
T26605767
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Line at Tabora |
E667765
|
entity |
| Predicate | railwayCorridorRole |
P57554
|
FINISHED |
| Object | key junction on Tanzania’s main east–west railway corridor |
—
|
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: key junction on Tanzania’s main east–west railway corridor | Statement: [Central Line at Tabora, railwayCorridorRole, key junction on Tanzania’s main east–west railway corridor]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railwayCorridorRole Context triple: [Central Line at Tabora, railwayCorridorRole, key junction on Tanzania’s main east–west railway corridor]
-
A.
railwayLineRole
Indicates the specific functional role or purpose that a railway line serves within a rail network or transportation system.
-
B.
railNetworkRole
Indicates the specific function or responsibility an entity has within a rail network system.
-
C.
partOfRailwayCorridor
chosen
Indicates that one entity is a segment, component, or area belonging to or contained within a specific railway corridor.
-
D.
railCorridorType
Indicates the specific classification or type of a rail corridor associated with the subject (e.g., mainline, branch line, high-speed, freight, etc.).
-
E.
railwayTrafficRole
Indicates the specific function or responsibility an entity has within the operation, management, or control of railway traffic.
- 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_69ee9cfd20348190bb1255d2603efb7a |
completed | April 26, 2026, 11:17 p.m. |
| NER | Named-entity recognition | batch_69f65f7731e4819099d5bd3d915ee266 |
completed | May 2, 2026, 8:32 p.m. |
| PD | Predicate disambiguation | batch_69f65c1f94ac8190bc6fbc7916fc0d82 |
completed | May 2, 2026, 8:18 p.m. |
Created at: April 27, 2026, 2:14 a.m.