Triple

T12981961
Position Surface form Disambiguated ID Type / Status
Subject Matara District E321672 entity
Predicate hasRiver P165 FINISHED
Object Nilwala River
The Nilwala River is a major river in southern Sri Lanka that flows through the city of Matara before emptying into the Indian Ocean.
 E1168563 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: Nilwala River | Statement: [Matara District, hasRiver, Nilwala River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nilwala River
Context triple: [Matara District, hasRiver, Nilwala River]
  • A. Tamnava River
    The Tamnava River is a river in western Serbia that flows through the Kolubara region, including the municipality of Lazarevac, and is a tributary of the Kolubara River.
  • B. Jamunia River
    The Jamunia River is a significant tributary watercourse in eastern India that contributes to the flow and drainage basin of the Damodar River system.
  • C. Karnafuli River
    The Karnafuli River is a major river in southeastern Bangladesh that flows through the Chittagong Hill Tracts and Chattogram before emptying into the Bay of Bengal.
  • D. Nira River
    The Nira River is a significant river in western India that flows through Maharashtra and serves as an important water source for irrigation and local communities before joining the Bhima River.
  • E. Ruza River
    The Ruza River is a waterway in western Russia that serves as one of the tributaries feeding into the Moskva River.
  • 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: Nilwala River
Triple: [Matara District, hasRiver, Nilwala River]
Generated description
The Nilwala River is a major river in southern Sri Lanka that flows through the city of Matara before emptying into the Indian Ocean.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nilwala River
Target entity description: The Nilwala River is a major river in southern Sri Lanka that flows through the city of Matara before emptying into the Indian Ocean.
  • A. Tamnava River
    The Tamnava River is a river in western Serbia that flows through the Kolubara region, including the municipality of Lazarevac, and is a tributary of the Kolubara River.
  • B. Jamunia River
    The Jamunia River is a significant tributary watercourse in eastern India that contributes to the flow and drainage basin of the Damodar River system.
  • C. Karnafuli River
    The Karnafuli River is a major river in southeastern Bangladesh that flows through the Chittagong Hill Tracts and Chattogram before emptying into the Bay of Bengal.
  • D. Nira River
    The Nira River is a significant river in western India that flows through Maharashtra and serves as an important water source for irrigation and local communities before joining the Bhima River.
  • E. Ruza River
    The Ruza River is a waterway in western Russia that serves as one of the tributaries feeding into the Moskva River.
  • 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_69d8076479b8819090afce3591939cdf completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69d97e5ca33481909a6cb06c636889f9 completed April 10, 2026, 10:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69ff5f1f80648190a4a0e8260ac95194 completed May 9, 2026, 4:21 p.m.
NEDg Description generation batch_69ff5fea7cb48190a1acb9201a12fa32 completed May 9, 2026, 4:25 p.m.
NED2 Entity disambiguation (via description) batch_69ff62e84bec81908a4885bf7f8f3749 completed May 9, 2026, 4:38 p.m.
Created at: April 9, 2026, 8:39 p.m.