Triple
T7603488
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tabora–Mpanda railway |
E180041
|
entity |
| Predicate | startPoint |
P389
|
FINISHED |
| Object | Tabora railway station |
E667764
|
NE FINISHED |
How this triple was built (2 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: Tabora railway station | Statement: [Tabora–Mpanda railway, startPoint, Tabora railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tabora railway station Context triple: [Tabora–Mpanda railway, startPoint, Tabora railway station]
-
A.
Tabora railway station
chosen
Tabora railway station is a key rail hub in western Tanzania, serving as a junction and terminus for multiple regional lines including the route toward Kigoma on Lake Tanganyika.
-
B.
Urunga railway station
Urunga railway station is a regional train station in New South Wales, Australia, serving the coastal town of Urunga on the North Coast railway line.
-
C.
Tanggula railway station
Tanggula railway station is a high-altitude train station on the Qinghai–Tibet Railway, known as one of the world’s highest railway stations.
-
D.
Madarihat railway station
Madarihat railway station is a local rail stop in West Bengal, India, known primarily as the convenient gateway for visitors traveling to Jaldapara National Park.
-
E.
Lusaka railway station
Lusaka railway station is a major rail transport hub in Zambia’s capital city, serving passenger and freight services on the country’s main railway network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c69f3567008190ab01d2ca7b53584a |
completed | March 27, 2026, 3:16 p.m. |
| NER | Named-entity recognition | batch_69c6f9fa633081909660f653f5b073cd |
completed | March 27, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8684f3cf08190bc3cbafbd8c1b9a0 |
completed | March 28, 2026, 11:46 p.m. |
Created at: March 27, 2026, 3:54 p.m.