Triple
T13998399
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Beach railway station, Chennai |
E336759
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object |
Chengalpattu Junction
Chengalpattu Junction is a major railway junction in Tamil Nadu, India, serving as a key suburban and long-distance rail hub south of Chennai.
|
E1074735
|
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: Chengalpattu Junction | Statement: [Beach railway station, Chennai, connectedTo, Chengalpattu Junction]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chengalpattu Junction Context triple: [Beach railway station, Chennai, connectedTo, Chengalpattu Junction]
-
A.
Erode Junction
Erode Junction is a major railway station and transport hub in the city of Erode, Tamil Nadu, serving as an important junction on the Southern Railway network of India.
-
B.
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.
-
C.
Peddapalli Junction
Peddapalli Junction is a key railway junction in Telangana, India, serving as a major rail hub for the Karimnagar region and connecting it to important routes across the state and country.
-
D.
Tiruvarur Junction
Tiruvarur Junction is a key railway station and transport hub in the town of Tiruvarur in Tamil Nadu, India, connecting several regional rail lines.
-
E.
Shoranur Junction
Shoranur Junction is a major railway hub in Kerala, India, serving as a key interchange point connecting multiple important rail routes across the state and beyond.
- 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: Chengalpattu Junction Triple: [Beach railway station, Chennai, connectedTo, Chengalpattu Junction]
Generated description
Chengalpattu Junction is a major railway junction in Tamil Nadu, India, serving as a key suburban and long-distance rail hub south of Chennai.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chengalpattu Junction Target entity description: Chengalpattu Junction is a major railway junction in Tamil Nadu, India, serving as a key suburban and long-distance rail hub south of Chennai.
-
A.
Erode Junction
Erode Junction is a major railway station and transport hub in the city of Erode, Tamil Nadu, serving as an important junction on the Southern Railway network of India.
-
B.
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.
-
C.
Peddapalli Junction
Peddapalli Junction is a key railway junction in Telangana, India, serving as a major rail hub for the Karimnagar region and connecting it to important routes across the state and country.
-
D.
Tiruvarur Junction
Tiruvarur Junction is a key railway station and transport hub in the town of Tiruvarur in Tamil Nadu, India, connecting several regional rail lines.
-
E.
Shoranur Junction
Shoranur Junction is a major railway hub in Kerala, India, serving as a key interchange point connecting multiple important rail routes across the state and beyond.
- 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_69d81c645c5c8190b1fd16a285a1b78a |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2eb68ba88190bfaf10777d607bf3 |
completed | April 14, 2026, 12:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fbac9f1f6c8190af7ddac920661bd5 |
completed | May 6, 2026, 9:03 p.m. |
| NEDg | Description generation | batch_69fbae3d04f081908c8d28148b4f1de0 |
completed | May 6, 2026, 9:10 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fbaf41636c8190bf44bd238bd9d9a4 |
completed | May 6, 2026, 9:14 p.m. |
Created at: April 9, 2026, 10:19 p.m.