Triple
T8614801
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Madurai Junction railway station |
E204008
|
entity |
| Predicate | division |
P889
|
FINISHED |
| Object |
Madurai railway division
Madurai railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Madurai in the state of Tamil Nadu.
|
E745475
|
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: Madurai railway division | Statement: [Madurai Junction railway station, division, Madurai railway division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Madurai railway division Context triple: [Madurai Junction railway station, division, Madurai railway division]
-
A.
Tiruchirappalli railway division
Tiruchirappalli railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Tiruchirappalli in the Southern Railway zone.
-
B.
Chennai railway division
Chennai railway division is a major administrative division of Indian Railways responsible for operating and managing railway services in and around the Chennai region.
-
C.
Bengaluru railway division
Bengaluru railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Bengaluru.
-
D.
Madurai Junction railway station
Madurai Junction railway station is a major railway hub in Tamil Nadu, India, serving as a key transit point for trains connecting southern cities with the rest of the country.
-
E.
Coimbatore North Junction
Coimbatore North Junction is a railway station in Coimbatore, Tamil Nadu, serving as a secondary rail hub that connects the city to various regional and long-distance routes.
- 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: Madurai railway division Triple: [Madurai Junction railway station, division, Madurai railway division]
Generated description
Madurai railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Madurai in the state of Tamil Nadu.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Madurai railway division Target entity description: Madurai railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Madurai in the state of Tamil Nadu.
-
A.
Tiruchirappalli railway division
Tiruchirappalli railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Tiruchirappalli in the Southern Railway zone.
-
B.
Chennai railway division
Chennai railway division is a major administrative division of Indian Railways responsible for operating and managing railway services in and around the Chennai region.
-
C.
Bengaluru railway division
Bengaluru railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Bengaluru.
-
D.
Madurai Junction railway station
Madurai Junction railway station is a major railway hub in Tamil Nadu, India, serving as a key transit point for trains connecting southern cities with the rest of the country.
-
E.
Coimbatore North Junction
Coimbatore North Junction is a railway station in Coimbatore, Tamil Nadu, serving as a secondary rail hub that connects the city to various regional and long-distance routes.
- 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_69ca832ceab8819096e4a9f546695079 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cc47020748819090f658c115c1a7b9 |
completed | March 31, 2026, 10:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cea91c30ec81908dafc1caf057e41c |
completed | April 2, 2026, 5:36 p.m. |
| NEDg | Description generation | batch_69cea9e685388190a4be9d2135dc02d0 |
completed | April 2, 2026, 5:39 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ceaababe2c8190bc47430d33bfdbaa |
completed | April 2, 2026, 5:43 p.m. |
Created at: March 30, 2026, 6:25 p.m.