Triple
T9686559
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Uvinza District |
E234422
|
entity |
| Predicate | railwayStation |
P918
|
FINISHED |
| Object |
Uvinza railway station
Uvinza railway station is a train station in western Tanzania that serves the town of Uvinza and connects it to the national rail network.
|
E815394
|
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: Uvinza railway station | Statement: [Uvinza District, railwayStation, Uvinza railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Uvinza railway station Context triple: [Uvinza District, railwayStation, Uvinza railway station]
-
A.
Nairobi station
Nairobi station is one of the themed passenger stops on Busch Gardens Tampa Bay’s Serengeti Express railway, serving as a gateway to the park’s African-inspired areas.
-
B.
Tabora railway station
Tabora railway station is a key rail hub in western Tanzania, serving as a junction and terminus for multiple regional lines including the route toward Kigoma on Lake Tanganyika.
-
C.
Lusaka railway station
Lusaka railway station is a major rail transport hub in Zambia’s capital city, serving passenger and freight services on the country’s main railway network.
-
D.
Matunga railway station
Matunga railway station is a suburban railway station on Mumbai's Central line, serving the Matunga neighborhood and daily commuters in the city.
-
E.
Nairobi Terminus of the Mombasa–Nairobi Standard Gauge Railway
The Nairobi Terminus of the Mombasa–Nairobi Standard Gauge Railway is a major modern passenger and freight rail station serving as the primary SGR hub for Kenya’s capital.
- 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: Uvinza railway station Triple: [Uvinza District, railwayStation, Uvinza railway station]
Generated description
Uvinza railway station is a train station in western Tanzania that serves the town of Uvinza and connects it to the national rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Uvinza railway station Target entity description: Uvinza railway station is a train station in western Tanzania that serves the town of Uvinza and connects it to the national rail network.
-
A.
Nairobi station
Nairobi station is one of the themed passenger stops on Busch Gardens Tampa Bay’s Serengeti Express railway, serving as a gateway to the park’s African-inspired areas.
-
B.
Tabora railway station
Tabora railway station is a key rail hub in western Tanzania, serving as a junction and terminus for multiple regional lines including the route toward Kigoma on Lake Tanganyika.
-
C.
Lusaka railway station
Lusaka railway station is a major rail transport hub in Zambia’s capital city, serving passenger and freight services on the country’s main railway network.
-
D.
Matunga railway station
Matunga railway station is a suburban railway station on Mumbai's Central line, serving the Matunga neighborhood and daily commuters in the city.
-
E.
Nairobi Terminus of the Mombasa–Nairobi Standard Gauge Railway
The Nairobi Terminus of the Mombasa–Nairobi Standard Gauge Railway is a major modern passenger and freight rail station serving as the primary SGR hub for Kenya’s capital.
- 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_69ca84ca73208190957a900c8543bdcc |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cd9cd2dab481908e0d3fed28de9d40 |
completed | April 1, 2026, 10:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1910b7c148190b9061b1ce0520e8b |
completed | April 4, 2026, 10:30 p.m. |
| NEDg | Description generation | batch_69d193150c00819080ed0fbb050b60bf |
completed | April 4, 2026, 10:39 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d19416efd48190865d0178e5e893fa |
completed | April 4, 2026, 10:43 p.m. |
Created at: March 30, 2026, 8:17 p.m.