Triple
T20213502
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sealdah |
E493551
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Namkhana line |
—
|
NE NERFINISHED |
How this triple was built (3 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: Namkhana line | Statement: [Sealdah, connectsTo, Namkhana line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Namkhana line Context triple: [Sealdah, connectsTo, Namkhana line]
-
A.
Peel-Raam Line
The Peel-Raam Line was a Dutch pre-World War II defensive fortification system running through the southeastern Netherlands, intended to slow a potential German invasion.
-
B.
Delhi–Shamli line
The Delhi–Shamli line is a railway route in northern India that connects Delhi with the town of Shamli, serving intermediate stations such as Ghaziabad Junction.
-
C.
Gaya–Kiul line
The Gaya–Kiul line is a railway route in the Indian state of Bihar that connects the important junctions of Gaya and Kiul, serving as a key regional link in the East Central Railway network.
-
D.
Arun Valley Line
The Arun Valley Line is a railway route in South East England that runs through the Arun Valley in West Sussex, linking London with coastal towns via a largely rural corridor.
-
E.
Mathura–Kasganj line
The Mathura–Kasganj line is a railway route in northern India that connects Mathura with Kasganj, serving as an important regional link for passenger and freight traffic.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Namkhana line Target entity description: The Namkhana line is a suburban railway corridor in West Bengal, India, serving as a key route for commuter traffic between Kolkata’s urban area and the coastal regions near Namkhana.
-
A.
Peel-Raam Line
The Peel-Raam Line was a Dutch pre-World War II defensive fortification system running through the southeastern Netherlands, intended to slow a potential German invasion.
-
B.
Delhi–Shamli line
The Delhi–Shamli line is a railway route in northern India that connects Delhi with the town of Shamli, serving intermediate stations such as Ghaziabad Junction.
-
C.
Gaya–Kiul line
The Gaya–Kiul line is a railway route in the Indian state of Bihar that connects the important junctions of Gaya and Kiul, serving as a key regional link in the East Central Railway network.
-
D.
Arun Valley Line
The Arun Valley Line is a railway route in South East England that runs through the Arun Valley in West Sussex, linking London with coastal towns via a largely rural corridor.
-
E.
Mathura–Kasganj line
The Mathura–Kasganj line is a railway route in northern India that connects Mathura with Kasganj, serving as an important regional link for passenger and freight traffic.
- F. None of above. chosen
Provenance (2 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_69da6269614c8190bb40475d9d477358 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66ed6fe888190b553ba6879cb2d8d |
completed | April 20, 2026, 6:22 p.m. |
Created at: April 11, 2026, 11:38 p.m.