Triple
T14046875
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chennai railway division |
E337978
|
entity |
| Predicate | hasImportantStation |
P1071
|
FINISHED |
| Object |
Avadi railway station
Avadi railway station is a major suburban rail hub serving the Avadi area in the Chennai metropolitan region of Tamil Nadu, India.
|
E1077854
|
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: Avadi railway station | Statement: [Chennai railway division, hasImportantStation, Avadi railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Avadi railway station Context triple: [Chennai railway division, hasImportantStation, Avadi railway station]
-
A.
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.
-
B.
Tiruvallur railway station
Tiruvallur railway station is a key suburban and regional rail hub serving the town of Tiruvallur in the Chennai metropolitan area of Tamil Nadu, India.
-
C.
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.
-
D.
Vellore Cantonment railway station
Vellore Cantonment railway station is a key rail hub serving the city of Vellore in Tamil Nadu, India, connecting it to regional and long-distance destinations.
-
E.
Ernakulam Junction railway station
Ernakulam Junction railway station is one of the busiest and most important railway hubs in Kerala, serving the city of Kochi with extensive long-distance and regional train connections.
- 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: Avadi railway station Triple: [Chennai railway division, hasImportantStation, Avadi railway station]
Generated description
Avadi railway station is a major suburban rail hub serving the Avadi area in the Chennai metropolitan region of Tamil Nadu, India.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Avadi railway station Target entity description: Avadi railway station is a major suburban rail hub serving the Avadi area in the Chennai metropolitan region of Tamil Nadu, India.
-
A.
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.
-
B.
Tiruvallur railway station
Tiruvallur railway station is a key suburban and regional rail hub serving the town of Tiruvallur in the Chennai metropolitan area of Tamil Nadu, India.
-
C.
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.
-
D.
Vellore Cantonment railway station
Vellore Cantonment railway station is a key rail hub serving the city of Vellore in Tamil Nadu, India, connecting it to regional and long-distance destinations.
-
E.
Ernakulam Junction railway station
Ernakulam Junction railway station is one of the busiest and most important railway hubs in Kerala, serving the city of Kochi with extensive long-distance and regional train connections.
- 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_69d81c664e48819088cbd8f433aeffe5 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de312df37081909f45ce3e219af5dc |
completed | April 14, 2026, 12:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb65c1a90819097754497f07f5312 |
completed | May 7, 2026, 3:57 p.m. |
| NEDg | Description generation | batch_69fcc54039f081908c397005fc4e4e9b |
completed | May 7, 2026, 5 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fcc61353d481908192a1e2f44e6a94 |
completed | May 7, 2026, 5:04 p.m. |
Created at: April 9, 2026, 10:20 p.m.