Triple

T11868758
Position Surface form Disambiguated ID Type / Status
Subject Purnia district E282352 entity
Predicate riverBasin P1559 FINISHED
Object Mahananda basin
The Mahananda basin is the drainage area of the Mahananda River, encompassing parts of eastern India and southern Nepal and supporting extensive agriculture and settlements.
 E951033 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: Mahananda basin | Statement: [Purnia district, riverBasin, Mahananda basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mahananda basin
Context triple: [Purnia district, riverBasin, Mahananda basin]
  • A. Lagkadas basin
    Lagkadas basin is a geographical lowland area in northern Greece known for its agricultural land, wetlands, and proximity to the city of Thessaloniki.
  • B. Sahrij Swani basin
    Sahrij Swani basin is a historic man-made water reservoir in Meknes, Morocco, traditionally used to supply and cool the nearby royal granaries and palace complex.
  • C. Hasli-Aare basin
    The Hasli-Aare basin is a sub-basin of the Aare river system in Switzerland, encompassing the upper reaches of the Aare and its surrounding alpine catchment area.
  • D. Assam–Arakan basin
    The Assam–Arakan basin is a major hydrocarbon-rich sedimentary basin in northeastern India, known for its significant oil and gas reserves and complex tectonic setting along the eastern Himalayas.
  • E. Aar basin
    The Aar basin is a major river drainage area in Switzerland that collects waters flowing into the Aare River, a key tributary of the Rhine.
  • 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: Mahananda basin
Triple: [Purnia district, riverBasin, Mahananda basin]
Generated description
The Mahananda basin is the drainage area of the Mahananda River, encompassing parts of eastern India and southern Nepal and supporting extensive agriculture and settlements.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mahananda basin
Target entity description: The Mahananda basin is the drainage area of the Mahananda River, encompassing parts of eastern India and southern Nepal and supporting extensive agriculture and settlements.
  • A. Lagkadas basin
    Lagkadas basin is a geographical lowland area in northern Greece known for its agricultural land, wetlands, and proximity to the city of Thessaloniki.
  • B. Sahrij Swani basin
    Sahrij Swani basin is a historic man-made water reservoir in Meknes, Morocco, traditionally used to supply and cool the nearby royal granaries and palace complex.
  • C. Hasli-Aare basin
    The Hasli-Aare basin is a sub-basin of the Aare river system in Switzerland, encompassing the upper reaches of the Aare and its surrounding alpine catchment area.
  • D. Assam–Arakan basin
    The Assam–Arakan basin is a major hydrocarbon-rich sedimentary basin in northeastern India, known for its significant oil and gas reserves and complex tectonic setting along the eastern Himalayas.
  • E. Aar basin
    The Aar basin is a major river drainage area in Switzerland that collects waters flowing into the Aare River, a key tributary of the Rhine.
  • 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_69d6ab2945d081908a5851c916cbcfb5 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a73c04e4819084c0b2ff8e5d2f04 completed April 10, 2026, 7:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69f281a2abfc8190a4769e637dedaaab completed April 29, 2026, 10:09 p.m.
NEDg Description generation batch_69f28a92ac90819092eef473a49d329e completed April 29, 2026, 10:47 p.m.
NED2 Entity disambiguation (via description) batch_69f28c462d888190a43e042b00921dbe completed April 29, 2026, 10:55 p.m.
Created at: April 8, 2026, 9:43 p.m.