Triple

T1242707
Position Surface form Disambiguated ID Type / Status
Subject Sundarbans E26693 entity
Predicate partOf P40 FINISHED
Object Meghna River delta
The Meghna River delta is a vast, low-lying river delta in Bangladesh formed by the confluence of major rivers, known for its extensive wetlands, fertile floodplains, and inclusion of the Sundarbans mangrove forest.
E26693 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: Meghna River delta | Statement: [Sundarbans, partOf, Meghna River delta]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Meghna River delta
Context triple: [Sundarbans, partOf, Meghna River delta]
  • A. Mahanadi Delta
    The Mahanadi Delta is a fertile, densely populated alluvial region in eastern India formed by the Mahanadi River as it empties into the Bay of Bengal.
  • B. Indus River delta
    The Indus River delta is a vast, fertile wetland region where the Indus River meets the Arabian Sea, characterized by intricate channels, mangrove forests, and rich biodiversity in southern Pakistan.
  • C. Godavari Delta
    Godavari Delta is a fertile, densely populated river delta region on the east coast of India where the Godavari River meets the Bay of Bengal, known for its extensive agriculture and rich biodiversity.
  • D. Sundarbans
    The Sundarbans is a vast mangrove forest and UNESCO World Heritage Site in the Ganges-Brahmaputra-Meghna delta, famed for its rich biodiversity and Bengal tiger population.
  • E. Kaveri River Delta
    The Kaveri River Delta is a fertile alluvial region in southeastern India, renowned for its extensive irrigation networks and high agricultural productivity, especially in rice cultivation.
  • 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: Meghna River delta
Triple: [Sundarbans, partOf, Meghna River delta]
Generated description
The Meghna River delta is a vast, low-lying river delta in Bangladesh formed by the confluence of major rivers, known for its extensive wetlands, fertile floodplains, and inclusion of the Sundarbans mangrove forest.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Meghna River delta
Target entity description: The Meghna River delta is a vast, low-lying river delta in Bangladesh formed by the confluence of major rivers, known for its extensive wetlands, fertile floodplains, and inclusion of the Sundarbans mangrove forest.
  • A. Mahanadi Delta
    The Mahanadi Delta is a fertile, densely populated alluvial region in eastern India formed by the Mahanadi River as it empties into the Bay of Bengal.
  • B. Indus River delta
    The Indus River delta is a vast, fertile wetland region where the Indus River meets the Arabian Sea, characterized by intricate channels, mangrove forests, and rich biodiversity in southern Pakistan.
  • C. Godavari Delta
    Godavari Delta is a fertile, densely populated river delta region on the east coast of India where the Godavari River meets the Bay of Bengal, known for its extensive agriculture and rich biodiversity.
  • D. Sundarbans chosen
    The Sundarbans is a vast mangrove forest and UNESCO World Heritage Site in the Ganges-Brahmaputra-Meghna delta, famed for its rich biodiversity and Bengal tiger population.
  • E. Kaveri River Delta
    The Kaveri River Delta is a fertile alluvial region in southeastern India, renowned for its extensive irrigation networks and high agricultural productivity, especially in rice cultivation.
  • F. None of above.

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_69a4948689d08190b3a4a3f388c02148 completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4bf61fadc8190b7b9e23eaa15a61d completed March 1, 2026, 10:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69acacb1730c8190aeb60cad33f44597 completed March 7, 2026, 10:54 p.m.
NEDg Description generation batch_69acad4a7cd48190b295dbd1e5327a18 completed March 7, 2026, 10:57 p.m.
NED2 Entity disambiguation (via description) batch_69acadba2e54819088a04675493fcbbb completed March 7, 2026, 10:59 p.m.
Created at: March 1, 2026, 7:47 p.m.