Triple

T17396470
Position Surface form Disambiguated ID Type / Status
Subject Rabat Ville railway station E422966 entity
Predicate locatedOn P40 FINISHED
Object Casablanca–Fes railway line
The Casablanca–Fes railway line is a major Moroccan rail corridor linking the economic hub of Casablanca with the historic city of Fes and serving key urban centers along the route.
E1267598 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: Casablanca–Fes railway line | Statement: [Rabat Ville railway station, locatedOn, Casablanca–Fes railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Casablanca–Fes railway line
Context triple: [Rabat Ville railway station, locatedOn, Casablanca–Fes railway line]
  • A. Casablanca–Rabat railway line
    The Casablanca–Rabat railway line is a major rail corridor in Morocco that connects the country’s largest city, Casablanca, with its capital, Rabat, serving key urban and suburban areas along the Atlantic coast.
  • 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. 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.
  • E. 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.
  • 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: Casablanca–Fes railway line
Triple: [Rabat Ville railway station, locatedOn, Casablanca–Fes railway line]
Generated description
The Casablanca–Fes railway line is a major Moroccan rail corridor linking the economic hub of Casablanca with the historic city of Fes and serving key urban centers along the route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Casablanca–Fes railway line
Target entity description: The Casablanca–Fes railway line is a major Moroccan rail corridor linking the economic hub of Casablanca with the historic city of Fes and serving key urban centers along the route.
  • A. Casablanca–Rabat railway line
    The Casablanca–Rabat railway line is a major rail corridor in Morocco that connects the country’s largest city, Casablanca, with its capital, Rabat, serving key urban and suburban areas along the Atlantic coast.
  • 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. 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.
  • E. 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.
  • 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_69d889d710288190bf0f4762801fefae completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e43abd9b748190bd55c863276d9e3a completed April 19, 2026, 2:15 a.m.
NED1 Entity disambiguation (via context triple) batch_6a01a7f347cc8190a5fd213ba2d24285 completed May 11, 2026, 9:57 a.m.
NEDg Description generation batch_6a01a912497c8190a8e09e5aaaac591a completed May 11, 2026, 10:01 a.m.
NED2 Entity disambiguation (via description) batch_6a01a96980ac81908a40b1e36c31b796 completed May 11, 2026, 10:03 a.m.
Created at: April 10, 2026, 5:45 a.m.