Triple

T17262618
Position Surface form Disambiguated ID Type / Status
Subject Mohammedia railway station E419043 entity
Predicate locatedOn P40 FINISHED
Object 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.
E1258435 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–Rabat railway line | Statement: [Mohammedia railway station, locatedOn, Casablanca–Rabat railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Casablanca–Rabat railway line
Context triple: [Mohammedia railway station, locatedOn, Casablanca–Rabat railway line]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Rabat–Salé tramway
    The Rabat–Salé tramway is a modern light rail transit system serving the Moroccan capital Rabat and its twin city Salé, providing an important public transportation link across the Bouregreg River.
  • 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–Rabat railway line
Triple: [Mohammedia railway station, locatedOn, Casablanca–Rabat railway line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Casablanca–Rabat railway line
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Rabat–Salé tramway
    The Rabat–Salé tramway is a modern light rail transit system serving the Moroccan capital Rabat and its twin city Salé, providing an important public transportation link across the Bouregreg River.
  • 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_69d886d9ab108190b70edd8d17aa1204 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e42e717a348190ae6835fb08f38125 completed April 19, 2026, 1:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0171041f2c81909bf52025d68912fc completed May 11, 2026, 6:02 a.m.
NEDg Description generation batch_6a0171c1b5fc81908455cda0df277ea9 completed May 11, 2026, 6:05 a.m.
NED2 Entity disambiguation (via description) batch_6a01724c4e34819099168d7303a31498 completed May 11, 2026, 6:08 a.m.
Created at: April 10, 2026, 5:40 a.m.