Triple
T6974987
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tanzania–Zambia Railway |
E161693
|
entity |
| Predicate | hasBorderCrossing |
P4105
|
FINISHED |
| Object |
Tunduma–Nakonde border
The Tunduma–Nakonde border is a major road and rail crossing between Tanzania and Zambia that serves as a key gateway for regional trade and transit in southern and eastern Africa.
|
E633695
|
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: Tunduma–Nakonde border | Statement: [Tanzania–Zambia Railway, hasBorderCrossing, Tunduma–Nakonde border]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tunduma–Nakonde border Context triple: [Tanzania–Zambia Railway, hasBorderCrossing, Tunduma–Nakonde border]
-
A.
Zimbabwe–Zambia border
The Zimbabwe–Zambia border is an international boundary in southern Africa that runs largely along the Zambezi River and includes the famous Victoria Falls.
-
B.
South Africa–Mozambique border
The South Africa–Mozambique border is an international boundary in southern Africa separating South Africa’s Mpumalanga and KwaZulu-Natal provinces from Mozambique, crossing diverse landscapes and major transport and trade routes.
-
C.
Zimbabwe–South Africa border
The Zimbabwe–South Africa border is an international boundary in southern Africa separating Zimbabwe from South Africa, commonly crossed at the busy Beitbridge border post.
-
D.
South Africa–Lesotho border
The South Africa–Lesotho border is the international boundary separating the enclaved mountain kingdom of Lesotho from the surrounding Republic of South Africa, running largely along the high peaks of the Drakensberg and Maloti ranges.
-
E.
South Africa–Namibia border
The South Africa–Namibia border is an international boundary in southern Africa that largely follows the course of the Orange River, separating Namibia to the north from South Africa to the south.
- 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: Tunduma–Nakonde border Triple: [Tanzania–Zambia Railway, hasBorderCrossing, Tunduma–Nakonde border]
Generated description
The Tunduma–Nakonde border is a major road and rail crossing between Tanzania and Zambia that serves as a key gateway for regional trade and transit in southern and eastern Africa.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tunduma–Nakonde border Target entity description: The Tunduma–Nakonde border is a major road and rail crossing between Tanzania and Zambia that serves as a key gateway for regional trade and transit in southern and eastern Africa.
-
A.
Zimbabwe–Zambia border
The Zimbabwe–Zambia border is an international boundary in southern Africa that runs largely along the Zambezi River and includes the famous Victoria Falls.
-
B.
South Africa–Mozambique border
The South Africa–Mozambique border is an international boundary in southern Africa separating South Africa’s Mpumalanga and KwaZulu-Natal provinces from Mozambique, crossing diverse landscapes and major transport and trade routes.
-
C.
Zimbabwe–South Africa border
The Zimbabwe–South Africa border is an international boundary in southern Africa separating Zimbabwe from South Africa, commonly crossed at the busy Beitbridge border post.
-
D.
South Africa–Lesotho border
The South Africa–Lesotho border is the international boundary separating the enclaved mountain kingdom of Lesotho from the surrounding Republic of South Africa, running largely along the high peaks of the Drakensberg and Maloti ranges.
-
E.
South Africa–Namibia border
The South Africa–Namibia border is an international boundary in southern Africa that largely follows the course of the Orange River, separating Namibia to the north from South Africa to the south.
- 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_69c68854a0d88190bc0bf82263f1afce |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6db3bda908190a10a91dc8d043ef1 |
completed | March 27, 2026, 7:32 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c761a6bbdc81908c96871f151db279 |
completed | March 28, 2026, 5:05 a.m. |
| NEDg | Description generation | batch_69c7639074f48190bc095f18fc35c08b |
completed | March 28, 2026, 5:13 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c76435fd2c819099143ea12f21d095 |
completed | March 28, 2026, 5:16 a.m. |
Created at: March 27, 2026, 2:31 p.m.