Triple

T12851563
Position Surface form Disambiguated ID Type / Status
Subject Lower Congo region E307333 entity
Predicate transportCorridor P3034 FINISHED
Object Matadi–Kinshasa corridor
The Matadi–Kinshasa corridor is a key transport route in the Democratic Republic of the Congo that links the Atlantic port city of Matadi with the inland capital Kinshasa, serving as the country’s main gateway for international trade.
E1007412 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: Matadi–Kinshasa corridor | Statement: [Lower Congo region, transportCorridor, Matadi–Kinshasa corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Matadi–Kinshasa corridor
Context triple: [Lower Congo region, transportCorridor, Matadi–Kinshasa corridor]
  • A. Nacala Corridor
    The Nacala Corridor is a major transport and logistics route in Mozambique and neighboring countries, linking inland mining and agricultural regions to the Indian Ocean via the Port of Nacala.
  • B. Lusaka–Malawi transport corridor
    The Lusaka–Malawi transport corridor is a key regional route linking Zambia’s capital Lusaka with Malawi, facilitating cross-border trade and movement in southeastern Africa.
  • C. Harare–Beitbridge highway
    The Harare–Beitbridge highway is a major arterial road in Zimbabwe that links the capital Harare with the Beitbridge border post to South Africa, serving as a key regional trade and transport corridor.
  • D. Kampala–Gulu Highway
    The Kampala–Gulu Highway is a major paved road in Uganda that connects the capital city Kampala with the northern regional hub of Gulu, serving as a key route for transport and trade.
  • E. Kampala–Nimule–Juba transport corridor
    The Kampala–Nimule–Juba transport corridor is a major regional road route linking Uganda’s capital Kampala with South Sudan’s capital Juba via the border town of Nimule, facilitating trade and movement between the two countries.
  • 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: Matadi–Kinshasa corridor
Triple: [Lower Congo region, transportCorridor, Matadi–Kinshasa corridor]
Generated description
The Matadi–Kinshasa corridor is a key transport route in the Democratic Republic of the Congo that links the Atlantic port city of Matadi with the inland capital Kinshasa, serving as the country’s main gateway for international trade.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Matadi–Kinshasa corridor
Target entity description: The Matadi–Kinshasa corridor is a key transport route in the Democratic Republic of the Congo that links the Atlantic port city of Matadi with the inland capital Kinshasa, serving as the country’s main gateway for international trade.
  • A. Nacala Corridor
    The Nacala Corridor is a major transport and logistics route in Mozambique and neighboring countries, linking inland mining and agricultural regions to the Indian Ocean via the Port of Nacala.
  • B. Lusaka–Malawi transport corridor
    The Lusaka–Malawi transport corridor is a key regional route linking Zambia’s capital Lusaka with Malawi, facilitating cross-border trade and movement in southeastern Africa.
  • C. Harare–Beitbridge highway
    The Harare–Beitbridge highway is a major arterial road in Zimbabwe that links the capital Harare with the Beitbridge border post to South Africa, serving as a key regional trade and transport corridor.
  • D. Kampala–Gulu Highway
    The Kampala–Gulu Highway is a major paved road in Uganda that connects the capital city Kampala with the northern regional hub of Gulu, serving as a key route for transport and trade.
  • E. Kampala–Nimule–Juba transport corridor
    The Kampala–Nimule–Juba transport corridor is a major regional road route linking Uganda’s capital Kampala with South Sudan’s capital Juba via the border town of Nimule, facilitating trade and movement between the two countries.
  • 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_69d7bdf5e7cc8190be357278bc5ba3bb completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d97020eacc81909357b3398d17dc49 completed April 10, 2026, 9:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69f69ba79918819093e047ce22191923 completed May 3, 2026, 12:49 a.m.
NEDg Description generation batch_69f69c8469548190b05d8fa010e0ca13 completed May 3, 2026, 12:53 a.m.
NED2 Entity disambiguation (via description) batch_69f69d4ef7988190890f8a62280aa673 completed May 3, 2026, 12:56 a.m.
Created at: April 9, 2026, 5:36 p.m.