Triple

T10021179
Position Surface form Disambiguated ID Type / Status
Subject Athi River settlements E200611 entity
Predicate transportConnection P1298 FINISHED
Object Standard Gauge Railway (SGR) Nairobi–Mombasa line E741118 NE 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: Standard Gauge Railway (SGR) Nairobi–Mombasa line | Statement: [Athi River settlements, transportConnection, Standard Gauge Railway (SGR) Nairobi–Mombasa line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Standard Gauge Railway (SGR) Nairobi–Mombasa line
Context triple: [Athi River settlements, transportConnection, Standard Gauge Railway (SGR) Nairobi–Mombasa line]
  • A. Mombasa–Nairobi railway
    The Mombasa–Nairobi railway is a major rail line in Kenya linking the coastal city of Mombasa with the capital Nairobi, historically significant for its role in colonial-era transport and regional development.
  • B. Nairobi Terminus of the Mombasa–Nairobi Standard Gauge Railway chosen
    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.
  • C. Nairobi commuter rail network
    The Nairobi commuter rail network is a suburban passenger rail system serving Nairobi and its surrounding metropolitan areas, aimed at easing urban congestion and improving daily transit for commuters.
  • D. Addis Ababa–Djibouti Railway
    The Addis Ababa–Djibouti Railway is a modern electrified standard-gauge rail line linking Ethiopia’s capital Addis Ababa with the port city of Djibouti, serving as a key trade and transport corridor for landlocked Ethiopia.
  • E. Tabora–Mpanda railway
    The Tabora–Mpanda railway is a regional rail line in western Tanzania that connects the town of Tabora with Mpanda, supporting transport and economic activity across the area.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69ca831c45f08190ac1505cc15076608 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cdcd79485881909df562bfff36ccf4 completed April 2, 2026, 1:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69d26ab241848190a97dea745f6d2324 completed April 5, 2026, 1:59 p.m.
Created at: March 30, 2026, 8:53 p.m.