Triple

T14873001
Position Surface form Disambiguated ID Type / Status
Subject Zouerate E349796 entity
Predicate connectedBy P37 FINISHED
Object Mauritania Railway
The Mauritania Railway is a heavy-duty iron ore rail line in Mauritania that runs across the Sahara from inland mining towns to the Atlantic coast, famed for operating some of the world’s longest and heaviest trains.
E1124285 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: Mauritania Railway | Statement: [Zouerate, connectedBy, Mauritania Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mauritania Railway
Context triple: [Zouerate, connectedBy, Mauritania Railway]
  • A. Bamako–Dakar Railway
    The Bamako–Dakar Railway is a major West African rail line connecting Mali’s capital Bamako with Dakar in Senegal, facilitating regional trade and passenger transport.
  • B. Tangier–Casablanca railway
    The Tangier–Casablanca railway is a major rail corridor in Morocco that connects the northern port city of Tangier with the economic hub of Casablanca, serving as a key route for both passenger and freight transport.
  • C. Tangier–Rabat railway
    The Tangier–Rabat railway is a major rail corridor in Morocco that connects the northern port city of Tangier with the capital Rabat, serving as a key route for both passenger and freight transport.
  • D. Abidjan–Ouagadougou railway
    The Abidjan–Ouagadougou railway is a major West African rail line linking the port city of Abidjan in Côte d'Ivoire with Ouagadougou, the capital of Burkina Faso, facilitating regional trade and passenger transport.
  • E. Moroccan railway network
    The Moroccan railway network is the national rail system of Morocco, connecting major cities and regions with passenger and freight services, including high-speed lines like the Al Boraq route between Tangier and Casablanca.
  • 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: Mauritania Railway
Triple: [Zouerate, connectedBy, Mauritania Railway]
Generated description
The Mauritania Railway is a heavy-duty iron ore rail line in Mauritania that runs across the Sahara from inland mining towns to the Atlantic coast, famed for operating some of the world’s longest and heaviest trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mauritania Railway
Target entity description: The Mauritania Railway is a heavy-duty iron ore rail line in Mauritania that runs across the Sahara from inland mining towns to the Atlantic coast, famed for operating some of the world’s longest and heaviest trains.
  • A. Bamako–Dakar Railway
    The Bamako–Dakar Railway is a major West African rail line connecting Mali’s capital Bamako with Dakar in Senegal, facilitating regional trade and passenger transport.
  • B. Tangier–Casablanca railway
    The Tangier–Casablanca railway is a major rail corridor in Morocco that connects the northern port city of Tangier with the economic hub of Casablanca, serving as a key route for both passenger and freight transport.
  • C. Tangier–Rabat railway
    The Tangier–Rabat railway is a major rail corridor in Morocco that connects the northern port city of Tangier with the capital Rabat, serving as a key route for both passenger and freight transport.
  • D. Abidjan–Ouagadougou railway
    The Abidjan–Ouagadougou railway is a major West African rail line linking the port city of Abidjan in Côte d'Ivoire with Ouagadougou, the capital of Burkina Faso, facilitating regional trade and passenger transport.
  • E. Moroccan railway network
    The Moroccan railway network is the national rail system of Morocco, connecting major cities and regions with passenger and freight services, including high-speed lines like the Al Boraq route between Tangier and Casablanca.
  • 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_69d822ee4f408190b6ac3b2fa434f0df completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69ded5e2c94c8190a16f05ea81701fc1 completed April 15, 2026, 12:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe65129a588190bbad294b500f411f completed May 8, 2026, 10:34 p.m.
NEDg Description generation batch_69fe66a5f3a88190827c6c9247323153 completed May 8, 2026, 10:41 p.m.
NED2 Entity disambiguation (via description) batch_69fe6736ff34819098524e4401a414aa completed May 8, 2026, 10:44 p.m.
Created at: April 10, 2026, 1:55 a.m.