Triple
T5574465
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Waterbury Branch |
E146284
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Waterbury station
Waterbury station is a Metro-North Railroad commuter rail station in Waterbury, Connecticut, serving as the primary rail hub for the city.
|
E541695
|
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: Waterbury station | Statement: [Waterbury Branch, terminus, Waterbury station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Waterbury station Context triple: [Waterbury Branch, terminus, Waterbury station]
-
A.
Meriden station
Meriden station is a passenger rail station in Meriden, Connecticut, serving CTrail Hartford Line and Amtrak trains along the New Haven–Springfield corridor.
-
B.
Danbury station
Danbury station is a Metro-North Railroad commuter rail station in Danbury, Connecticut, serving as the northern endpoint of the Danbury Branch line.
-
C.
Bridgeport station
Bridgeport station is a SEPTA rapid transit stop in Bridgeport, Pennsylvania, serving passengers on the Norristown High Speed Line.
-
D.
Stamford station
Stamford station is a major commuter rail hub in Stamford, Connecticut, serving as one of the busiest stops on the Metro-North Railroad and a key gateway between New York City and New England.
-
E.
White River Junction station
White River Junction station is a historic railroad station in White River Junction, Vermont, that serves as a regional passenger rail hub.
- 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: Waterbury station Triple: [Waterbury Branch, terminus, Waterbury station]
Generated description
Waterbury station is a Metro-North Railroad commuter rail station in Waterbury, Connecticut, serving as the primary rail hub for the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Waterbury station Target entity description: Waterbury station is a Metro-North Railroad commuter rail station in Waterbury, Connecticut, serving as the primary rail hub for the city.
-
A.
Meriden station
Meriden station is a passenger rail station in Meriden, Connecticut, serving CTrail Hartford Line and Amtrak trains along the New Haven–Springfield corridor.
-
B.
Danbury station
Danbury station is a Metro-North Railroad commuter rail station in Danbury, Connecticut, serving as the northern endpoint of the Danbury Branch line.
-
C.
Bridgeport station
Bridgeport station is a SEPTA rapid transit stop in Bridgeport, Pennsylvania, serving passengers on the Norristown High Speed Line.
-
D.
Stamford station
Stamford station is a major commuter rail hub in Stamford, Connecticut, serving as one of the busiest stops on the Metro-North Railroad and a key gateway between New York City and New England.
-
E.
White River Junction station
White River Junction station is a historic railroad station in White River Junction, Vermont, that serves as a regional passenger rail hub.
- 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_69c008ffed108190a084602227af6157 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c02054ce8c819093e1a6379ec92006 |
completed | March 22, 2026, 5:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c059f3f6648190af2fd9a5e7cc125b |
completed | March 22, 2026, 9:07 p.m. |
| NEDg | Description generation | batch_69c05d24fdf481908cfa9c485cd9a9f3 |
completed | March 22, 2026, 9:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c05dc3d3cc8190a6bb775b06136972 |
completed | March 22, 2026, 9:23 p.m. |
Created at: March 22, 2026, 3:37 p.m.