Triple

T1788943
Position Surface form Disambiguated ID Type / Status
Subject Lake Tana E39450 entity
Predicate hasInflowRiver P165 FINISHED
Object Gilgel Abay River
The Gilgel Abay River is a major Ethiopian river that drains the southwestern highlands and serves as one of the principal tributaries feeding Lake Tana, the source of the Blue Nile.
E230352 NE FINISHED

How this triple was built (5 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: Gilgel Abay River | Statement: [Lake Tana, hasInflowRiver, Gilgel Abay River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Gilgel Abay River
Context triple: [Lake Tana, hasInflowRiver, Gilgel Abay River]
  • A. Shabelle River
    The Shabelle River is a major river in the Horn of Africa that flows through Ethiopia into Somalia, playing a crucial role in irrigation, agriculture, and livelihoods in the region.
  • B. Tekeze River
    The Tekeze River is a major river in the Horn of Africa that flows through northern Ethiopia and Eritrea, carving one of the deepest gorges in Africa before joining the Atbarah River.
  • C. Atbara River
    The Atbara River is a major tributary of the Nile in northeastern Africa, flowing from the Ethiopian Highlands northward through Sudan before joining the main Nile.
  • D. Awash River
    The Awash River is a major river in Ethiopia that flows through the Great Rift Valley, supporting agriculture, settlements, and ecosystems before ending in a chain of saline lakes.
  • E. Salhir River
    The Salhir River is a major river in Crimea that flows through the city of Simferopol before emptying into the Syvash lagoon system.
  • 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: Gilgel Abay River
Triple: [Lake Tana, hasInflowRiver, Gilgel Abay River]
Generated description
The Gilgel Abay River is a major Ethiopian river that drains the southwestern highlands and serves as one of the principal tributaries feeding Lake Tana, the source of the Blue Nile.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Gilgel Abay River
Target entity description: The Gilgel Abay River is a major Ethiopian river that drains the southwestern highlands and serves as one of the principal tributaries feeding Lake Tana, the source of the Blue Nile.
  • A. Shabelle River
    The Shabelle River is a major river in the Horn of Africa that flows through Ethiopia into Somalia, playing a crucial role in irrigation, agriculture, and livelihoods in the region.
  • B. Tekeze River
    The Tekeze River is a major river in the Horn of Africa that flows through northern Ethiopia and Eritrea, carving one of the deepest gorges in Africa before joining the Atbarah River.
  • C. Atbara River
    The Atbara River is a major tributary of the Nile in northeastern Africa, flowing from the Ethiopian Highlands northward through Sudan before joining the main Nile.
  • D. Awash River
    The Awash River is a major river in Ethiopia that flows through the Great Rift Valley, supporting agriculture, settlements, and ecosystems before ending in a chain of saline lakes.
  • E. Salhir River
    The Salhir River is a major river in Crimea that flows through the city of Simferopol before emptying into the Syvash lagoon system.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasInflowRiver
Context triple: [Lake Tana, hasInflowRiver, Gilgel Abay River]
  • A. hasRiver chosen
    Indicates that a location or area contains, is traversed by, or is directly associated with a river.
  • B. hasRiverActivity
    Indicates that an entity engages in, supports, or is associated with activities occurring on or along a river.
  • C. hasWatercourseType
    Indicates the specific kind or category of watercourse (such as river, stream, or canal) associated with an entity.
  • D. hasMajorTownOnRiver
    Indicates that a major town is located on and directly associated with a particular river.
  • E. hasCityOnRiver
    Indicates that a city is located on or along the course of a particular river.
  • F. None of above.

Provenance (6 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_69a88631854081909723959921e45c2b completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69ab75457e54819096b8c6ae8c65550c completed March 7, 2026, 12:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae26ee4c088190a767d71f1a68a734 completed March 9, 2026, 1:48 a.m.
NEDg Description generation batch_69ae277895488190ae4a2337cf2ae915 completed March 9, 2026, 1:50 a.m.
NED2 Entity disambiguation (via description) batch_69ae27e7113081909835657bfff3f9e8 completed March 9, 2026, 1:52 a.m.
PD Predicate disambiguation batch_69aa61d165688190924962a98e07ff69 completed March 6, 2026, 5:10 a.m.
Created at: March 4, 2026, 7:32 p.m.