Triple

T2183402
Position Surface form Disambiguated ID Type / Status
Subject Lake Texcoco E49096 entity
Predicate majorDrainageProjects P4103 FINISHED
Object Grand Canal of the Valley of Mexico
The Grand Canal of the Valley of Mexico is a large-scale drainage and flood-control canal system built to divert waters from the former lake system of the Valley of Mexico, particularly around Mexico City.
E246337 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: Grand Canal of the Valley of Mexico | Statement: [Lake Texcoco, majorDrainageProjects, Grand Canal of the Valley of Mexico]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Grand Canal of the Valley of Mexico
Context triple: [Lake Texcoco, majorDrainageProjects, Grand Canal of the Valley of Mexico]
  • A. Chapultepec Lake
    Chapultepec Lake is a large artificial lake in Mexico City’s Chapultepec Park, popular for boating, recreation, and scenic views within the urban green space.
  • B. Valley of Mexico
    The Valley of Mexico is a highland basin in central Mexico that historically hosted several major pre-Columbian civilizations and today contains the country’s largest urban concentration.
  • C. Basin of Pátzcuaro
    The Basin of Pátzcuaro is a highland lake region in present-day Michoacán, Mexico, that served as the political and cultural heartland of the pre-Hispanic Purépecha (Tarascan) civilization.
  • D. Lake Texcoco
    Lake Texcoco was a large, now mostly drained lake in the Valley of Mexico that once surrounded the Aztec capital Tenochtitlan and is central to Mexico’s national origin myth.
  • E. Circuito Interior
    Circuito Interior is a major ring road in Mexico City that helps channel traffic around the central urban area and connects multiple boroughs, including Azcapotzalco.
  • 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: Grand Canal of the Valley of Mexico
Triple: [Lake Texcoco, majorDrainageProjects, Grand Canal of the Valley of Mexico]
Generated description
The Grand Canal of the Valley of Mexico is a large-scale drainage and flood-control canal system built to divert waters from the former lake system of the Valley of Mexico, particularly around Mexico City.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Grand Canal of the Valley of Mexico
Target entity description: The Grand Canal of the Valley of Mexico is a large-scale drainage and flood-control canal system built to divert waters from the former lake system of the Valley of Mexico, particularly around Mexico City.
  • A. Chapultepec Lake
    Chapultepec Lake is a large artificial lake in Mexico City’s Chapultepec Park, popular for boating, recreation, and scenic views within the urban green space.
  • B. Valley of Mexico
    The Valley of Mexico is a highland basin in central Mexico that historically hosted several major pre-Columbian civilizations and today contains the country’s largest urban concentration.
  • C. Basin of Pátzcuaro
    The Basin of Pátzcuaro is a highland lake region in present-day Michoacán, Mexico, that served as the political and cultural heartland of the pre-Hispanic Purépecha (Tarascan) civilization.
  • D. Lake Texcoco
    Lake Texcoco was a large, now mostly drained lake in the Valley of Mexico that once surrounded the Aztec capital Tenochtitlan and is central to Mexico’s national origin myth.
  • E. Circuito Interior
    Circuito Interior is a major ring road in Mexico City that helps channel traffic around the central urban area and connects multiple boroughs, including Azcapotzalco.
  • 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_69a88aa72d348190a9544bb5b8a4e71d completed March 4, 2026, 7:40 p.m.
NER Named-entity recognition batch_69abc5b101d48190a321625720d537b6 completed March 7, 2026, 6:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae654016a88190a242d43491f0726c completed March 9, 2026, 6:14 a.m.
NEDg Description generation batch_69ae6851d44c8190b9df8416d1b7be8d completed March 9, 2026, 6:27 a.m.
NED2 Entity disambiguation (via description) batch_69ae68ac638c8190adf98ca6144ea6a6 completed March 9, 2026, 6:29 a.m.
Created at: March 4, 2026, 7:45 p.m.