Triple
T1688873
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vijayawada |
E36504
|
entity |
| Predicate | railwayDivisionHeadquartersOf |
P31350
|
FINISHED |
| Object |
Vijayawada railway division
Vijayawada railway division is a major administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and infrastructure in and around Vijayawada, Andhra Pradesh.
|
E192556
|
NE FINISHED |
How this triple was built (5 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: Vijayawada railway division | Statement: [Vijayawada, railwayDivisionHeadquartersOf, Vijayawada railway division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Vijayawada railway division Context triple: [Vijayawada, railwayDivisionHeadquartersOf, Vijayawada railway division]
-
A.
Vijayawada Junction railway station
Vijayawada Junction railway station is one of the busiest and most important railway hubs in India, serving as a major transit and operational center on the South Central Railway network.
-
B.
South Central Railway zone
The South Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Secunderabad, that oversees and operates rail services across parts of Telangana, Andhra Pradesh, Maharashtra, and neighboring regions.
-
C.
Warangal division
Warangal division was an administrative subdivision centered around the city of Warangal within the former Hyderabad State in India.
-
D.
Secunderabad Junction
Secunderabad Junction is one of the major railway hubs in South India, serving as a key transit and operations center for the Hyderabad metropolitan region.
-
E.
Guntur Junction railway station
Guntur Junction railway station is a major railway hub in Andhra Pradesh, India, serving as a key junction connecting multiple important routes in the 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: Vijayawada railway division Triple: [Vijayawada, railwayDivisionHeadquartersOf, Vijayawada railway division]
Generated description
Vijayawada railway division is a major administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and infrastructure in and around Vijayawada, Andhra Pradesh.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Vijayawada railway division Target entity description: Vijayawada railway division is a major administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and infrastructure in and around Vijayawada, Andhra Pradesh.
-
A.
Vijayawada Junction railway station
Vijayawada Junction railway station is one of the busiest and most important railway hubs in India, serving as a major transit and operational center on the South Central Railway network.
-
B.
South Central Railway zone
The South Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Secunderabad, that oversees and operates rail services across parts of Telangana, Andhra Pradesh, Maharashtra, and neighboring regions.
-
C.
Warangal division
Warangal division was an administrative subdivision centered around the city of Warangal within the former Hyderabad State in India.
-
D.
Secunderabad Junction
Secunderabad Junction is one of the major railway hubs in South India, serving as a key transit and operations center for the Hyderabad metropolitan region.
-
E.
Guntur Junction railway station
Guntur Junction railway station is a major railway hub in Andhra Pradesh, India, serving as a key junction connecting multiple important routes in the region.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railwayDivisionHeadquartersOf Context triple: [Vijayawada, railwayDivisionHeadquartersOf, Vijayawada railway division]
-
A.
railwayDivision
Indicates that one administrative railway division is responsible for, manages, or encompasses another railway unit, line, or area within a rail network.
-
B.
hasRailwayHeadquarters
Indicates that a railway organization or system has its main administrative or operational headquarters located at a specified place.
-
C.
railroadTerminusFor
Indicates that one location serves as the end point or final station of a particular railroad line for another location.
-
D.
railwayStationFor
Indicates a relationship where a railway station serves, is designated for, or primarily associated with a particular place, line, or service.
-
E.
hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
- F. None of above. chosen
Provenance (7 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_69a886151508819084fa7f1ce6e05577 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69aaf3359ce48190803b322db8ad6027 |
completed | March 6, 2026, 3:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad8ac6cc88819086821026a37a3578 |
completed | March 8, 2026, 2:42 p.m. |
| NEDg | Description generation | batch_69ad9575acf88190aa3fe80794534dd4 |
completed | March 8, 2026, 3:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad97a7128c819097ff36216f00d4f9 |
completed | March 8, 2026, 3:37 p.m. |
| PD | Predicate disambiguation | batch_69aa61b71cec8190b273588051058ebd |
completed | March 6, 2026, 5:10 a.m. |
| PDg | Predicate description generation | batch_69aaf33347e48190a32b6d0099e3d389 |
completed | March 6, 2026, 3:30 p.m. |
Created at: March 4, 2026, 7:29 p.m.