Triple
T8193811
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Central Railway zone |
E191376
|
entity |
| Predicate | hasMajorStation |
P1071
|
FINISHED |
| Object |
Nellore railway station
Nellore railway station is a key passenger and freight rail hub in Andhra Pradesh, India, serving the city of Nellore on major routes of the Indian Railways network.
|
E744494
|
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: Nellore railway station | Statement: [South Central Railway zone, hasMajorStation, Nellore railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nellore railway station Context triple: [South Central Railway zone, hasMajorStation, Nellore railway station]
-
A.
Tirupati railway station
Tirupati railway station is a major rail hub in Andhra Pradesh, India, serving as the primary gateway for pilgrims visiting the famous Tirumala Venkateswara Temple.
-
B.
Visakhapatnam railway station
Visakhapatnam railway station is a major rail hub in the coastal city of Visakhapatnam, Andhra Pradesh, serving as one of the busiest and most important stations in eastern India.
-
C.
Kurnool City railway station
Kurnool City railway station is a key rail hub in Andhra Pradesh, India, serving the city of Kurnool with important regional and long-distance train connections.
-
D.
Rajahmundry railway station
Rajahmundry railway station is a major rail hub in Andhra Pradesh, India, serving the city of Rajahmundry on the busy Howrah–Chennai main line.
-
E.
Kacheguda railway station
Kacheguda railway station is one of the major railway hubs in Hyderabad, Telangana, serving as an important junction for regional and long-distance trains.
- 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: Nellore railway station Triple: [South Central Railway zone, hasMajorStation, Nellore railway station]
Generated description
Nellore railway station is a key passenger and freight rail hub in Andhra Pradesh, India, serving the city of Nellore on major routes of the Indian Railways network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nellore railway station Target entity description: Nellore railway station is a key passenger and freight rail hub in Andhra Pradesh, India, serving the city of Nellore on major routes of the Indian Railways network.
-
A.
Tirupati railway station
Tirupati railway station is a major rail hub in Andhra Pradesh, India, serving as the primary gateway for pilgrims visiting the famous Tirumala Venkateswara Temple.
-
B.
Visakhapatnam railway station
Visakhapatnam railway station is a major rail hub in the coastal city of Visakhapatnam, Andhra Pradesh, serving as one of the busiest and most important stations in eastern India.
-
C.
Kurnool City railway station
Kurnool City railway station is a key rail hub in Andhra Pradesh, India, serving the city of Kurnool with important regional and long-distance train connections.
-
D.
Rajahmundry railway station
Rajahmundry railway station is a major rail hub in Andhra Pradesh, India, serving the city of Rajahmundry on the busy Howrah–Chennai main line.
-
E.
Kacheguda railway station
Kacheguda railway station is one of the major railway hubs in Hyderabad, Telangana, serving as an important junction for regional and long-distance trains.
- 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_69ca82c6e9548190a4c5ca14516e4417 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb5c1f02248190adbe56a7d6be3419 |
completed | March 31, 2026, 5:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cea7e73fd481908d3b788a26e62367 |
completed | April 2, 2026, 5:31 p.m. |
| NEDg | Description generation | batch_69cea994f0ac819092fb34a0f2357611 |
completed | April 2, 2026, 5:38 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ceaa4c7ba08190be86cccc3a857656 |
completed | April 2, 2026, 5:41 p.m. |
Created at: March 30, 2026, 5:42 p.m.