Triple

T7603489
Position Surface form Disambiguated ID Type / Status
Subject Tabora–Mpanda railway E180041 entity
Predicate endPoint P390 FINISHED
Object Mpanda railway station
Mpanda railway station is a Tanzanian rail terminus in the town of Mpanda that serves as the western endpoint of the Tabora–Mpanda railway line.
 E676088 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: Mpanda railway station | Statement: [Tabora–Mpanda railway, endPoint, Mpanda railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mpanda railway station
Context triple: [Tabora–Mpanda railway, endPoint, Mpanda railway station]
  • A. 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.
  • B. Thivim railway station
    Thivim railway station is a key rail hub in North Goa, India, serving as a primary access point for popular coastal areas including Calangute and other nearby beaches.
  • C. Urunga railway station
    Urunga railway station is a regional train station in New South Wales, Australia, serving the coastal town of Urunga on the North Coast railway line.
  • D. Madarihat railway station
    Madarihat railway station is a local rail stop in West Bengal, India, known primarily as the convenient gateway for visitors traveling to Jaldapara National Park.
  • E. 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.
  • 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: Mpanda railway station
Triple: [Tabora–Mpanda railway, endPoint, Mpanda railway station]
Generated description
Mpanda railway station is a Tanzanian rail terminus in the town of Mpanda that serves as the western endpoint of the Tabora–Mpanda railway line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mpanda railway station
Target entity description: Mpanda railway station is a Tanzanian rail terminus in the town of Mpanda that serves as the western endpoint of the Tabora–Mpanda railway line.
  • A. 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.
  • B. Thivim railway station
    Thivim railway station is a key rail hub in North Goa, India, serving as a primary access point for popular coastal areas including Calangute and other nearby beaches.
  • C. Urunga railway station
    Urunga railway station is a regional train station in New South Wales, Australia, serving the coastal town of Urunga on the North Coast railway line.
  • D. Madarihat railway station
    Madarihat railway station is a local rail stop in West Bengal, India, known primarily as the convenient gateway for visitors traveling to Jaldapara National Park.
  • E. 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.
  • 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_69c69f3567008190ab01d2ca7b53584a completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c6f9fa633081909660f653f5b073cd completed March 27, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8684f3cf08190bc3cbafbd8c1b9a0 completed March 28, 2026, 11:46 p.m.
NEDg Description generation batch_69c86935488c8190854173b940a3e4bd completed March 28, 2026, 11:50 p.m.
NED2 Entity disambiguation (via description) batch_69c869b673c081908f2bb2eb59c2dec8 completed March 28, 2026, 11:52 p.m.
Created at: March 27, 2026, 3:54 p.m.