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.