Triple
T2121478
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTrail Hartford Line |
E43932
|
entity |
| Predicate | usesStation |
P726
|
FINISHED |
| Object |
Wallingford station
Wallingford station is a passenger rail station in Wallingford, Connecticut, serving CTrail Hartford Line trains and other regional rail services.
|
E237745
|
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: Wallingford station | Statement: [CTrail Hartford Line, usesStation, Wallingford station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Wallingford station Context triple: [CTrail Hartford Line, usesStation, Wallingford station]
-
A.
Clarendon station
Clarendon station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Clarendon neighborhood on the Orange Line.
-
B.
Milford Mill station
Milford Mill station is a rapid transit stop in Baltimore County, Maryland, serving the Baltimore Metro SubwayLink system and the surrounding suburban community.
-
C.
Beaconsfield station
Beaconsfield station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line D branch serving the Brookline area near Boston.
-
D.
Beaconsfield station
Beaconsfield station is a railway station that serves the suburb of Beaconsfield in Melbourne, Victoria, as part of the city’s metropolitan train network.
-
E.
Chalfont station
Chalfont station is a SEPTA Regional Rail stop in Chalfont, Pennsylvania, serving commuters on the Lansdale/Doylestown Line.
- 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: Wallingford station Triple: [CTrail Hartford Line, usesStation, Wallingford station]
Generated description
Wallingford station is a passenger rail station in Wallingford, Connecticut, serving CTrail Hartford Line trains and other regional rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Wallingford station Target entity description: Wallingford station is a passenger rail station in Wallingford, Connecticut, serving CTrail Hartford Line trains and other regional rail services.
-
A.
Clarendon station
Clarendon station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Clarendon neighborhood on the Orange Line.
-
B.
Milford Mill station
Milford Mill station is a rapid transit stop in Baltimore County, Maryland, serving the Baltimore Metro SubwayLink system and the surrounding suburban community.
-
C.
Beaconsfield station
Beaconsfield station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line D branch serving the Brookline area near Boston.
-
D.
Beaconsfield station
Beaconsfield station is a railway station that serves the suburb of Beaconsfield in Melbourne, Victoria, as part of the city’s metropolitan train network.
-
E.
Chalfont station
Chalfont station is a SEPTA Regional Rail stop in Chalfont, Pennsylvania, serving commuters on the Lansdale/Doylestown Line.
- 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_69ae5197259c8190bffbbb4abaaddfd0 |
completed | March 9, 2026, 4:50 a.m. |
| NEDg | Description generation | batch_69ae532d39d8819097ae5826b42f92b2 |
completed | March 9, 2026, 4:57 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae539f7f008190b5f9d15fb3d362d9 |
completed | March 9, 2026, 4:59 a.m. |
Created at: March 4, 2026, 7:44 p.m.