Triple

T9618933
Position Surface form Disambiguated ID Type / Status
Subject Shillong Plateau E232290 entity
Predicate drainageTo P4497 FINISHED
Object Surma River basin
The Surma River basin is a river drainage region in northeastern India and Bangladesh, known for its heavy monsoon rainfall, fertile floodplains, and role as a major tributary system of the Meghna River.
E811306 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: Surma River basin | Statement: [Shillong Plateau, drainageTo, Surma River basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Surma River basin
Context triple: [Shillong Plateau, drainageTo, Surma River basin]
  • A. Rega River basin
    The Rega River basin is the drainage area of the Rega River in northwestern Poland, encompassing the river’s tributaries, surrounding landscapes, and towns such as Schievelbein (Świdwin).
  • B. Lempa River basin
    The Lempa River basin is a major Central American watershed, primarily in El Salvador, that drains a large region into the Pacific Ocean and supports significant agriculture, hydropower, and urban populations.
  • C. Pakke River basin
    The Pakke River basin is the forested river catchment in Arunachal Pradesh, India, that supports rich biodiversity and forms the ecological setting for the Pakke Tiger Reserve.
  • D. Marga Marga River basin
    The Marga Marga River basin is a hydrological and geographical region in central Chile that encompasses the drainage area of the Marga Marga River, including the city of Quilpué and surrounding urban and rural zones.
  • E. Parthe river basin
    The Parthe river basin is the drainage area of the Parthe River in Saxony, Germany, encompassing towns such as Naunhof and contributing to the region’s hydrology and landscape.
  • 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: Surma River basin
Triple: [Shillong Plateau, drainageTo, Surma River basin]
Generated description
The Surma River basin is a river drainage region in northeastern India and Bangladesh, known for its heavy monsoon rainfall, fertile floodplains, and role as a major tributary system of the Meghna River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Surma River basin
Target entity description: The Surma River basin is a river drainage region in northeastern India and Bangladesh, known for its heavy monsoon rainfall, fertile floodplains, and role as a major tributary system of the Meghna River.
  • A. Rega River basin
    The Rega River basin is the drainage area of the Rega River in northwestern Poland, encompassing the river’s tributaries, surrounding landscapes, and towns such as Schievelbein (Świdwin).
  • B. Lempa River basin
    The Lempa River basin is a major Central American watershed, primarily in El Salvador, that drains a large region into the Pacific Ocean and supports significant agriculture, hydropower, and urban populations.
  • C. Pakke River basin
    The Pakke River basin is the forested river catchment in Arunachal Pradesh, India, that supports rich biodiversity and forms the ecological setting for the Pakke Tiger Reserve.
  • D. Marga Marga River basin
    The Marga Marga River basin is a hydrological and geographical region in central Chile that encompasses the drainage area of the Marga Marga River, including the city of Quilpué and surrounding urban and rural zones.
  • E. Parthe river basin
    The Parthe river basin is the drainage area of the Parthe River in Saxony, Germany, encompassing towns such as Naunhof and contributing to the region’s hydrology and landscape.
  • 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_69ca84867bb88190b4b57dd5a56d5691 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9ab0a15481908945b50c622b71b9 completed April 1, 2026, 10:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69d18225f9508190bde23b9d2a40bccc completed April 4, 2026, 9:27 p.m.
NEDg Description generation batch_69d182db3ef481908a7e588aa35a7a3f completed April 4, 2026, 9:30 p.m.
NED2 Entity disambiguation (via description) batch_69d183481f488190ab63f0bde2d5c6fc completed April 4, 2026, 9:31 p.m.
Created at: March 30, 2026, 8:09 p.m.