Triple
T8193808
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Central Railway zone |
E191376
|
entity |
| Predicate | hasMajorStation |
P1071
|
FINISHED |
| Object |
Nizamabad railway station
Nizamabad railway station is a key rail hub in Telangana, India, serving the city of Nizamabad with major passenger and regional train connections.
|
E742801
|
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: Nizamabad railway station | Statement: [South Central Railway zone, hasMajorStation, Nizamabad railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nizamabad railway station Context triple: [South Central Railway zone, hasMajorStation, Nizamabad railway station]
-
A.
Adilabad railway station
Adilabad railway station is a key rail hub in Telangana, India, serving the town of Adilabad and surrounding regions with passenger and regional train services.
-
B.
Mahbubnagar railway station
Mahbubnagar railway station is a key rail transit hub serving the town of Mahbubnagar in Telangana, India, and connecting it to major cities in the region.
-
C.
Warangal railway station
Warangal railway station is a key rail transport hub in Telangana, India, serving the city of Warangal with major passenger and express train connections.
-
D.
Hyderabad Junction railway station
Hyderabad Junction railway station is a major railway hub in Hyderabad, Sindh, Pakistan, serving as a key junction for regional and long-distance train services.
-
E.
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.
- 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: Nizamabad railway station Triple: [South Central Railway zone, hasMajorStation, Nizamabad railway station]
Generated description
Nizamabad railway station is a key rail hub in Telangana, India, serving the city of Nizamabad with major passenger and regional train connections.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nizamabad railway station Target entity description: Nizamabad railway station is a key rail hub in Telangana, India, serving the city of Nizamabad with major passenger and regional train connections.
-
A.
Adilabad railway station
Adilabad railway station is a key rail hub in Telangana, India, serving the town of Adilabad and surrounding regions with passenger and regional train services.
-
B.
Mahbubnagar railway station
Mahbubnagar railway station is a key rail transit hub serving the town of Mahbubnagar in Telangana, India, and connecting it to major cities in the region.
-
C.
Warangal railway station
Warangal railway station is a key rail transport hub in Telangana, India, serving the city of Warangal with major passenger and express train connections.
-
D.
Hyderabad Junction railway station
Hyderabad Junction railway station is a major railway hub in Hyderabad, Sindh, Pakistan, serving as a key junction for regional and long-distance train services.
-
E.
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.
- 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_69ce8861dc6481908ad83c99a2798f6e |
completed | April 2, 2026, 3:16 p.m. |
| NEDg | Description generation | batch_69ce8a442b508190bd8319fda51edc4b |
completed | April 2, 2026, 3:24 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce8afff50c8190b2dd1a7e0a5a130b |
completed | April 2, 2026, 3:28 p.m. |
Created at: March 30, 2026, 5:42 p.m.