Triple

T16986760
Position Surface form Disambiguated ID Type / Status
Subject Battle of Nahrawan E412087 entity
Predicate place P373 FINISHED
Object Nahrawan Canal
The Nahrawan Canal was a major medieval irrigation and navigation waterway near Baghdad in present-day Iraq, historically significant as the site of the Battle of Nahrawan.
 E1244911 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Nahrawan Canal | Statement: [Battle of Nahrawan, place, Nahrawan Canal]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nahrawan Canal
Context triple: [Battle of Nahrawan, place, Nahrawan Canal]
  • A. Muzza Canal
    Muzza Canal is an important historic irrigation and navigation canal in Lombardy, Italy, branching from the Adda River to serve the surrounding agricultural plains.
  • B. Arzni-Shamiram Canal
    The Arzni-Shamiram Canal is a major irrigation waterway in Armenia that supplies agricultural lands and settlements in the Kotayk region and surrounding areas.
  • C. Bahr Yussef canal
    The Bahr Yussef canal is an ancient man-made waterway in Egypt that diverts water from the Nile to irrigate and sustain the Faiyum Oasis region.
  • D. Munak Canal
    Munak Canal is a major irrigation and water-supply channel in northern India that diverts water from the Western Yamuna Canal to serve agricultural and urban needs, including parts of Delhi and Haryana.
  • E. Chebar canal
    The Chebar canal is an ancient waterway in Babylonia traditionally identified as the place where the prophet Ezekiel received his visions during the Jewish exile.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nahrawan Canal
Target entity description: The Nahrawan Canal was a major medieval irrigation and navigation waterway near Baghdad in present-day Iraq, historically significant as the site of the Battle of Nahrawan.
  • A. Muzza Canal
    Muzza Canal is an important historic irrigation and navigation canal in Lombardy, Italy, branching from the Adda River to serve the surrounding agricultural plains.
  • B. Arzni-Shamiram Canal
    The Arzni-Shamiram Canal is a major irrigation waterway in Armenia that supplies agricultural lands and settlements in the Kotayk region and surrounding areas.
  • C. Bahr Yussef canal
    The Bahr Yussef canal is an ancient man-made waterway in Egypt that diverts water from the Nile to irrigate and sustain the Faiyum Oasis region.
  • D. Munak Canal
    Munak Canal is a major irrigation and water-supply channel in northern India that diverts water from the Western Yamuna Canal to serve agricultural and urban needs, including parts of Delhi and Haryana.
  • E. Chebar canal
    The Chebar canal is an ancient waterway in Babylonia traditionally identified as the place where the prophet Ezekiel received his visions during the Jewish exile.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Nahrawan Canal
Triple: [Battle of Nahrawan, place, Nahrawan Canal]
Generated description
The Nahrawan Canal was a major medieval irrigation and navigation waterway near Baghdad in present-day Iraq, historically significant as the site of the Battle of Nahrawan.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d886ca8f348190812768ea8d5055ce elicitation completed
NER batch_69e3d27b58908190a643bcbd105b1849 ner completed
NED1 batch_6a00dc1109a081908890bbd5958c76c2 ned_source_triple completed
NED2 batch_6a0115c967b0819088e2335fd45d755b ned_description completed
NEDg batch_6a0114d5aeb0819086f1a5d279ac0d0f nedg completed
Created at: April 10, 2026, 5:32 a.m.