Triple
T10310924
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Meriden station |
E241886
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | CTrail Hartford Line |
E43932
|
NE FINISHED |
How this triple was built (2 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: CTrail Hartford Line | Statement: [Meriden station, servedBy, CTrail Hartford Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTrail Hartford Line Context triple: [Meriden station, servedBy, CTrail Hartford Line]
-
A.
CTrail Hartford Line
chosen
CTrail Hartford Line is a commuter rail service in Connecticut that connects New Haven, Hartford, and Springfield, providing regional passenger transportation along the I‑91 corridor.
-
B.
Connecticut River Line
The Connecticut River Line is a historic railroad corridor running along the Connecticut River in New England, long used for passenger and freight service connecting communities in Massachusetts, Vermont, and New Hampshire.
-
C.
New Haven–Springfield Line
The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
-
D.
New Haven Line
The New Haven Line is a major commuter rail route in the northeastern United States that connects New York City with New Haven, Connecticut, serving numerous communities along the Long Island Sound corridor.
-
E.
Providence/Stoughton Line
The Providence/Stoughton Line is a Massachusetts Bay Transportation Authority commuter rail route connecting Boston with Providence, Rhode Island and Stoughton, Massachusetts.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d381ac38808190a8ca7457c85b625b |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4d32ac6c08190b23eb042b3ec284a |
completed | April 7, 2026, 9:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d71d78ece88190885768c979b038df |
completed | April 9, 2026, 3:31 a.m. |
Created at: April 6, 2026, 11:47 a.m.