Triple

T22420699
Position Surface form Disambiguated ID Type / Status
Subject Ulhitiya Oya E554237 entity
Predicate drainageBasin P1559 FINISHED
Object Mahaweli River drainage basin NE NERFINISHED

How this triple was built (3 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: Mahaweli River drainage basin | Statement: [Ulhitiya Oya, drainageBasin, Mahaweli River drainage basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mahaweli River drainage basin
Context triple: [Ulhitiya Oya, drainageBasin, Mahaweli River drainage basin]
  • A. Kelani River basin
    The Kelani River basin is a major river catchment area in western Sri Lanka that supports dense populations, agriculture, and industry while providing a key source of water and hydropower.
  • B. Mahi River basin
    The Mahi River basin is the drainage area of the Mahi River in western India, spanning parts of Madhya Pradesh, Rajasthan, and Gujarat and supporting agriculture, settlements, and ecosystems along its course.
  • C. Mahananda River basin
    The Mahananda River basin is a river drainage region in eastern India and parts of Bangladesh that supports extensive agriculture, settlements, and ecosystems along the Mahananda River and its tributaries.
  • D. Mithi River basin
    The Mithi River basin is an urban river catchment area in Mumbai, India, that drains parts of the city including major lakes and industrial zones before flowing into the Arabian Sea.
  • E. Tua River basin
    The Tua River basin is a river drainage area in northeastern Portugal known for its scenic valleys, vineyards, and role as a tributary region of the Douro River.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mahaweli River drainage basin
Target entity description: The Mahaweli River drainage basin is Sri Lanka’s largest river basin, encompassing the extensive network of tributaries and catchment areas that feed the country’s longest river, the Mahaweli.
  • A. Kelani River basin
    The Kelani River basin is a major river catchment area in western Sri Lanka that supports dense populations, agriculture, and industry while providing a key source of water and hydropower.
  • B. Mahi River basin
    The Mahi River basin is the drainage area of the Mahi River in western India, spanning parts of Madhya Pradesh, Rajasthan, and Gujarat and supporting agriculture, settlements, and ecosystems along its course.
  • C. Mahananda River basin
    The Mahananda River basin is a river drainage region in eastern India and parts of Bangladesh that supports extensive agriculture, settlements, and ecosystems along the Mahananda River and its tributaries.
  • D. Mithi River basin
    The Mithi River basin is an urban river catchment area in Mumbai, India, that drains parts of the city including major lakes and industrial zones before flowing into the Arabian Sea.
  • E. Tua River basin
    The Tua River basin is a river drainage area in northeastern Portugal known for its scenic valleys, vineyards, and role as a tributary region of the Douro River.
  • F. None of above. chosen

Provenance (2 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_69e11e4f2d0c819091aa3558ea2ee630 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f1594b08d88190bb61a30397d0ffa5 completed April 29, 2026, 1:05 a.m.
Created at: April 16, 2026, 8:46 p.m.