Triple

T5901656
Position Surface form Disambiguated ID Type / Status
Subject Central Highlands of Sri Lanka E131239 entity
Predicate isWatershedFor P17416 FINISHED
Object Kelani River
The Kelani River is one of Sri Lanka’s major rivers, flowing from the central highlands through key urban areas including Colombo before emptying into the Indian Ocean.
E566900 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: Kelani River | Statement: [Central Highlands of Sri Lanka, isWatershedFor, Kelani River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kelani River
Context triple: [Central Highlands of Sri Lanka, isWatershedFor, Kelani River]
  • A. Meriti River
    The Meriti River is a watercourse in the state of Rio de Janeiro, Brazil, that flows through the metropolitan area and empties into Guanabara Bay.
  • B. Kuma River
    The Kuma River is a significant river in southwestern Russia that flows through the North Caucasus region, including Stavropol Krai, before emptying into the Caspian Sea.
  • C. Tua River
    The Tua River is a river in northeastern Portugal that flows through a rugged, scenic valley before joining the Douro River.
  • D. Maner River
    The Maner River is a tributary of the Manjira River in southern India, contributing to the Godavari river basin and regional irrigation.
  • E. Tuivai River
    The Tuivai River is a tributary waterway in northeastern India that contributes to the Barak River system and helps drain parts of the surrounding hilly terrain.
  • 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: Kelani River
Triple: [Central Highlands of Sri Lanka, isWatershedFor, Kelani River]
Generated description
The Kelani River is one of Sri Lanka’s major rivers, flowing from the central highlands through key urban areas including Colombo before emptying into the Indian Ocean.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kelani River
Target entity description: The Kelani River is one of Sri Lanka’s major rivers, flowing from the central highlands through key urban areas including Colombo before emptying into the Indian Ocean.
  • A. Meriti River
    The Meriti River is a watercourse in the state of Rio de Janeiro, Brazil, that flows through the metropolitan area and empties into Guanabara Bay.
  • B. Kuma River
    The Kuma River is a significant river in southwestern Russia that flows through the North Caucasus region, including Stavropol Krai, before emptying into the Caspian Sea.
  • C. Tua River
    The Tua River is a river in northeastern Portugal that flows through a rugged, scenic valley before joining the Douro River.
  • D. Maner River
    The Maner River is a tributary of the Manjira River in southern India, contributing to the Godavari river basin and regional irrigation.
  • E. Tuivai River
    The Tuivai River is a tributary waterway in northeastern India that contributes to the Barak River system and helps drain parts of the surrounding hilly terrain.
  • 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_69c0085864a88190a569c05ff7d65f29 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c049fdb3e08190a72337ab4f48bc8e completed March 22, 2026, 7:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69c11cbc676c8190bdac874391a608e8 completed March 23, 2026, 10:58 a.m.
NEDg Description generation batch_69c11d9102648190a61e9a85ead0fff4 completed March 23, 2026, 11:01 a.m.
NED2 Entity disambiguation (via description) batch_69c11e76f5c48190adabb10472729cb2 completed March 23, 2026, 11:05 a.m.
Created at: March 22, 2026, 3:58 p.m.