Triple
T16659030
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Howrah–Bardhaman main line |
E404809
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Howrah railway division |
E196583
|
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: Howrah railway division | Statement: [Howrah–Bardhaman main line, partOf, Howrah railway division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah railway division Context triple: [Howrah–Bardhaman main line, partOf, Howrah railway division]
-
A.
Howrah railway division
chosen
Howrah railway division is a major administrative division of Indian Railways under the Eastern Railway zone, overseeing railway operations and infrastructure centered around Howrah in West Bengal.
-
B.
Sealdah railway division
Sealdah railway division is a major administrative and operational division of Indian Railways based in Kolkata, serving one of the busiest suburban and long-distance rail networks in eastern India.
-
C.
Alipurduar railway division
Alipurduar railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Alipurduar region of West Bengal.
-
D.
Malda railway division
Malda railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Malda region of West Bengal.
-
E.
Katihar railway division
Katihar railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in and around Katihar in eastern India.
- 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_69d8838b5fbc81908c6575c132b82e80 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e37bfcbb6881909c0419174dd017dc |
completed | April 18, 2026, 12:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a008a30e55c8190a5047656b9873a0e |
completed | May 10, 2026, 1:37 p.m. |
Created at: April 10, 2026, 5:18 a.m.