Triple
T3228890
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chennai Egmore railway station |
E67688
|
entity |
| Predicate | formerName |
P65
|
FINISHED |
| Object |
Madras Egmore
Madras Egmore is a major historic railway terminus in Chennai, India, serving as one of the city’s key hubs for regional and long-distance train services.
|
E338894
|
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: Madras Egmore | Statement: [Chennai Egmore railway station, formerName, Madras Egmore]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Madras Egmore Context triple: [Chennai Egmore railway station, formerName, Madras Egmore]
-
A.
Presidency College, Madras
Presidency College, Madras is one of India’s oldest and most prestigious higher education institutions, renowned for its strong programs in science and the humanities and for producing many distinguished alumni.
-
B.
University of Madras
The University of Madras is one of India's oldest and most prestigious public universities, based in Chennai and renowned for its wide range of academic programs and influential alumni.
-
C.
Madras Christian College
Madras Christian College is a prestigious liberal arts and sciences institution in Chennai, India, known for its historic campus and influential role in Indian higher education.
-
D.
Bishop’s College, Calcutta
Bishop’s College, Calcutta is a historic Christian theological and liberal education institution in Kolkata, India, known for training clergy and scholars during the British colonial period.
-
E.
Presidency College, Kolkata
Presidency College, Kolkata is a prestigious and historic institution of higher education in India, renowned for its rigorous academics and distinguished alumni including Nobel laureate Amartya Sen.
- 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: Madras Egmore Triple: [Chennai Egmore railway station, formerName, Madras Egmore]
Generated description
Madras Egmore is a major historic railway terminus in Chennai, India, serving as one of the city’s key hubs for regional and long-distance train services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Madras Egmore Target entity description: Madras Egmore is a major historic railway terminus in Chennai, India, serving as one of the city’s key hubs for regional and long-distance train services.
-
A.
Presidency College, Madras
Presidency College, Madras is one of India’s oldest and most prestigious higher education institutions, renowned for its strong programs in science and the humanities and for producing many distinguished alumni.
-
B.
University of Madras
The University of Madras is one of India's oldest and most prestigious public universities, based in Chennai and renowned for its wide range of academic programs and influential alumni.
-
C.
Madras Christian College
Madras Christian College is a prestigious liberal arts and sciences institution in Chennai, India, known for its historic campus and influential role in Indian higher education.
-
D.
Bishop’s College, Calcutta
Bishop’s College, Calcutta is a historic Christian theological and liberal education institution in Kolkata, India, known for training clergy and scholars during the British colonial period.
-
E.
Presidency College, Kolkata
Presidency College, Kolkata is a prestigious and historic institution of higher education in India, renowned for its rigorous academics and distinguished alumni including Nobel laureate Amartya Sen.
- 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_69ad858c61888190a31196310d9b30b5 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69adaeb6f8588190a33a9d6c779e8992 |
completed | March 8, 2026, 5:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b262675b588190bcff98e7fa3a0c77 |
completed | March 12, 2026, 6:51 a.m. |
| NEDg | Description generation | batch_69b264c6022c81908b3235e88a7ed27f |
completed | March 12, 2026, 7:01 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b268bd0d3c8190a60dda0a9086c0cc |
completed | March 12, 2026, 7:18 a.m. |
Created at: March 8, 2026, 3:08 p.m.