Triple
T2121482
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTrail Hartford Line |
E43932
|
entity |
| Predicate | usesStation |
P726
|
FINISHED |
| Object |
New Haven State Street station
New Haven State Street station is a downtown New Haven commuter rail stop serving regional services including the CTrail Hartford Line and Shore Line East.
|
E244137
|
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: New Haven State Street station | Statement: [CTrail Hartford Line, usesStation, New Haven State Street station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Haven State Street station Context triple: [CTrail Hartford Line, usesStation, New Haven State Street station]
-
A.
New Haven Union Station
New Haven Union Station is a major historic railroad and transportation hub in New Haven, Connecticut, serving regional and intercity train and bus services.
-
B.
Norwalk station
Norwalk station is a Los Angeles Metro Rail transit station in Norwalk, California, serving as a key eastern endpoint for light rail service in the southeastern Los Angeles area.
-
C.
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.
-
D.
Hartford Union Station
Hartford Union Station is the primary historic rail and bus transportation hub in downtown Hartford, Connecticut, serving Amtrak, CTrail, and regional transit services.
-
E.
Sullivan Square station
Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
- 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: New Haven State Street station Triple: [CTrail Hartford Line, usesStation, New Haven State Street station]
Generated description
New Haven State Street station is a downtown New Haven commuter rail stop serving regional services including the CTrail Hartford Line and Shore Line East.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: New Haven State Street station Target entity description: New Haven State Street station is a downtown New Haven commuter rail stop serving regional services including the CTrail Hartford Line and Shore Line East.
-
A.
New Haven Union Station
New Haven Union Station is a major historic railroad and transportation hub in New Haven, Connecticut, serving regional and intercity train and bus services.
-
B.
Norwalk station
Norwalk station is a Los Angeles Metro Rail transit station in Norwalk, California, serving as a key eastern endpoint for light rail service in the southeastern Los Angeles area.
-
C.
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.
-
D.
Hartford Union Station
Hartford Union Station is the primary historic rail and bus transportation hub in downtown Hartford, Connecticut, serving Amtrak, CTrail, and regional transit services.
-
E.
Sullivan Square station
Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
- 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_69a88717cfe48190b7ecdd68c824848a |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abbb51e8088190a1aeafee4e8dff63 |
completed | March 7, 2026, 5:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae652fc57881908eaec85edfebeb15 |
completed | March 9, 2026, 6:14 a.m. |
| NEDg | Description generation | batch_69ae65ac14a8819091fa0795c7f99917 |
completed | March 9, 2026, 6:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae66429c208190ae011d7ee001c9ea |
completed | March 9, 2026, 6:18 a.m. |
Created at: March 4, 2026, 7:44 p.m.