Triple
T7029220
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Eastern Railway |
E163229
|
entity |
| Predicate | hasDivision |
P35
|
FINISHED |
| Object |
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.
|
E640145
|
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: Sealdah railway division | Statement: [Eastern Railway, hasDivision, Sealdah railway division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sealdah railway division Context triple: [Eastern Railway, hasDivision, Sealdah railway division]
-
A.
Howrah railway division
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.
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.
-
C.
Eastern Railway
Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services primarily across eastern India.
-
D.
Kolkata Suburban Railway (Howrah–Sealdah sections)
The Kolkata Suburban Railway (Howrah–Sealdah sections) is a major suburban rail system serving the Kolkata metropolitan area, connecting its key terminals at Howrah and Sealdah with extensive surrounding suburbs.
-
E.
Secunderabad railway division
Secunderabad railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Secunderabad and parts of the surrounding region.
- 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: Sealdah railway division Triple: [Eastern Railway, hasDivision, Sealdah railway division]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sealdah railway division Target entity description: 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.
-
A.
Howrah railway division
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.
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.
-
C.
Eastern Railway
Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services primarily across eastern India.
-
D.
Kolkata Suburban Railway (Howrah–Sealdah sections)
The Kolkata Suburban Railway (Howrah–Sealdah sections) is a major suburban rail system serving the Kolkata metropolitan area, connecting its key terminals at Howrah and Sealdah with extensive surrounding suburbs.
-
E.
Secunderabad railway division
Secunderabad railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Secunderabad and parts of the surrounding region.
- 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_69c6885d691c81908cf7d31083113886 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6e200ecdc819098ca07473dfb272a |
completed | March 27, 2026, 8:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7943ca8548190877d2698265ce7da |
completed | March 28, 2026, 8:41 a.m. |
| NEDg | Description generation | batch_69c79523b1e881909b7f31a20f03d4b3 |
completed | March 28, 2026, 8:45 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c795e542d881909defeb4056898495 |
completed | March 28, 2026, 8:48 a.m. |
Created at: March 27, 2026, 2:35 p.m.