Triple

T7671589
Position Surface form Disambiguated ID Type / Status
Subject Digboi oil field E173760 entity
Predicate geologicalBasin P36894 FINISHED
Object 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.
E688191 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: Assam–Arakan basin | Statement: [Digboi oil field, geologicalBasin, Assam–Arakan basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Assam–Arakan basin
Context triple: [Digboi oil field, geologicalBasin, Assam–Arakan basin]
  • A. Brahmaputra Valley
    The Brahmaputra Valley is a fertile, densely populated river valley in northeastern India and Bangladesh, shaped by the course and seasonal flooding of the Brahmaputra River.
  • B. Yarlung Tsangpo River basin
    The Yarlung Tsangpo River basin is a high-altitude watershed in Tibet that drains the upper reaches of the Brahmaputra River, encompassing deep gorges, extensive glaciers, and diverse alpine and subtropical ecosystems.
  • C. Arakan
    Arakan is a historical coastal region in western Myanmar, now largely corresponding to Rakhine State and known for its distinct ethnic and cultural identity.
  • D. Pandua
    Pandua is a historic city in present-day West Bengal, India, that served as an important political and cultural center during the medieval Bengal Sultanate.
  • E. Varendra
    Varendra is a historic region in northwestern Bengal, now largely in Bangladesh, known as an early political and cultural center of medieval Bengali kingdoms.
  • 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: Assam–Arakan basin
Triple: [Digboi oil field, geologicalBasin, Assam–Arakan basin]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Assam–Arakan basin
Target entity description: 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.
  • A. Brahmaputra Valley
    The Brahmaputra Valley is a fertile, densely populated river valley in northeastern India and Bangladesh, shaped by the course and seasonal flooding of the Brahmaputra River.
  • B. Yarlung Tsangpo River basin
    The Yarlung Tsangpo River basin is a high-altitude watershed in Tibet that drains the upper reaches of the Brahmaputra River, encompassing deep gorges, extensive glaciers, and diverse alpine and subtropical ecosystems.
  • C. Arakan
    Arakan is a historical coastal region in western Myanmar, now largely corresponding to Rakhine State and known for its distinct ethnic and cultural identity.
  • D. Pandua
    Pandua is a historic city in present-day West Bengal, India, that served as an important political and cultural center during the medieval Bengal Sultanate.
  • E. Varendra
    Varendra is a historic region in northwestern Bengal, now largely in Bangladesh, known as an early political and cultural center of medieval Bengali kingdoms.
  • 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_69c699562484819086752091e3164a27 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c701dd3c808190990e07ced94b3297 completed March 27, 2026, 10:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8d6a339a48190936b962579d2d5a5 completed March 29, 2026, 7:37 a.m.
NEDg Description generation batch_69c8d74cc52c8190bbbfff7d4c57cc99 completed March 29, 2026, 7:39 a.m.
NED2 Entity disambiguation (via description) batch_69c8d80a88f8819098bdb678e86f9be9 completed March 29, 2026, 7:43 a.m.
Created at: March 27, 2026, 4 p.m.