Triple
T4795059
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagpur Junction railway station |
E106690
|
entity |
| Predicate | division |
P889
|
FINISHED |
| Object |
Nagpur railway division
Nagpur railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Nagpur, Maharashtra.
|
E470441
|
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: Nagpur railway division | Statement: [Nagpur Junction railway station, division, Nagpur railway division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagpur railway division Context triple: [Nagpur Junction railway station, division, Nagpur railway division]
-
A.
Pune railway division
Pune railway division is an administrative unit of Indian Railways responsible for managing train operations, infrastructure, and services in and around Pune, Maharashtra.
-
B.
Vadodara railway division
Vadodara railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Vadodara region of Gujarat.
-
C.
Bhavnagar railway division
Bhavnagar railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Bhavnagar region of Gujarat.
-
D.
Mumbai Central railway division
Mumbai Central railway division is a key administrative division of Indian Railways responsible for managing railway operations and services in and around the Mumbai region.
-
E.
Agra railway division
Agra railway division is an administrative unit of Indian Railways responsible for managing railway operations and infrastructure in and around the Agra 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: Nagpur railway division Triple: [Nagpur Junction railway station, division, Nagpur railway division]
Generated description
Nagpur railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Nagpur, Maharashtra.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nagpur railway division Target entity description: Nagpur railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Nagpur, Maharashtra.
-
A.
Pune railway division
Pune railway division is an administrative unit of Indian Railways responsible for managing train operations, infrastructure, and services in and around Pune, Maharashtra.
-
B.
Vadodara railway division
Vadodara railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Vadodara region of Gujarat.
-
C.
Bhavnagar railway division
Bhavnagar railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Bhavnagar region of Gujarat.
-
D.
Mumbai Central railway division
Mumbai Central railway division is a key administrative division of Indian Railways responsible for managing railway operations and services in and around the Mumbai region.
-
E.
Agra railway division
Agra railway division is an administrative unit of Indian Railways responsible for managing railway operations and infrastructure in and around the Agra 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_69bd43f591c881909e5a532388b0f3f3 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6609e9888190b49f99bb9fb2279d |
completed | March 20, 2026, 3:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be43f512e0819086cc33009cd45c9a |
completed | March 21, 2026, 7:08 a.m. |
| NEDg | Description generation | batch_69be44cb99ac819089bbb941709a93c4 |
completed | March 21, 2026, 7:12 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be451e8d7c81908d856e7966daa5fe |
completed | March 21, 2026, 7:13 a.m. |
Created at: March 20, 2026, 1:22 p.m.