Triple
T8550637
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kodambakkam |
E202434
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Kodambakkam railway station
Kodambakkam railway station is a suburban rail stop in Chennai, India, serving the Kodambakkam neighborhood on the city’s Mass Rapid Transit and suburban railway network.
|
E740574
|
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: Kodambakkam railway station | Statement: [Kodambakkam, hasRailwayStation, Kodambakkam railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kodambakkam railway station Context triple: [Kodambakkam, hasRailwayStation, Kodambakkam railway station]
-
A.
Vandalur railway station
Vandalur railway station is a suburban rail stop in Chennai, India, serving as a key access point for visitors to the nearby Arignar Anna Zoological Park.
-
B.
Chennai Egmore railway station
Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
-
C.
Chidambaram railway station
Chidambaram railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Chidambaram on the Chennai–Tiruchirappalli main line.
-
D.
Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station
Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station is the main railway terminus of Chennai and one of the busiest and most important rail hubs in South India.
-
E.
Coimbatore Junction railway station
Coimbatore Junction railway station is a major railway hub in Tamil Nadu, India, serving as the primary rail gateway to the city of Coimbatore and an important junction on the Southern 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: Kodambakkam railway station Triple: [Kodambakkam, hasRailwayStation, Kodambakkam railway station]
Generated description
Kodambakkam railway station is a suburban rail stop in Chennai, India, serving the Kodambakkam neighborhood on the city’s Mass Rapid Transit and suburban railway network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kodambakkam railway station Target entity description: Kodambakkam railway station is a suburban rail stop in Chennai, India, serving the Kodambakkam neighborhood on the city’s Mass Rapid Transit and suburban railway network.
-
A.
Vandalur railway station
Vandalur railway station is a suburban rail stop in Chennai, India, serving as a key access point for visitors to the nearby Arignar Anna Zoological Park.
-
B.
Chennai Egmore railway station
Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
-
C.
Chidambaram railway station
Chidambaram railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Chidambaram on the Chennai–Tiruchirappalli main line.
-
D.
Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station
Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station is the main railway terminus of Chennai and one of the busiest and most important rail hubs in South India.
-
E.
Coimbatore Junction railway station
Coimbatore Junction railway station is a major railway hub in Tamil Nadu, India, serving as the primary rail gateway to the city of Coimbatore and an important junction on the Southern 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_69ca832610e08190b3b6c6cd2c250255 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe75589d8819096177ddbd3dafcb6 |
completed | March 31, 2026, 3:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce6dc1bb5481909ddd3af564c24c0c |
completed | April 2, 2026, 1:23 p.m. |
| NEDg | Description generation | batch_69ce6ec45bfc8190adc358d4c5fdc82a |
completed | April 2, 2026, 1:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce6f4177b08190867c099e4f1206a2 |
completed | April 2, 2026, 1:29 p.m. |
Created at: March 30, 2026, 6:19 p.m.