Triple
T13595986
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Readville station |
E324820
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object |
Foxboro branch (special service)
Foxboro branch (special service) is a limited MBTA commuter rail service that operates on a branch line to Foxboro, typically for special events and select trips rather than as a full-time regular route.
|
E1049915
|
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: Foxboro branch (special service) | Statement: [Readville station, servedByLine, Foxboro branch (special service)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Foxboro branch (special service) Context triple: [Readville station, servedByLine, Foxboro branch (special service)]
-
A.
Newburyport Branch
The Newburyport Branch is a rail line segment in northeastern Massachusetts that forms part of the MBTA Commuter Rail’s Newburyport/Rockport Line, connecting communities north of Boston.
-
B.
Ashmont branch
The Ashmont branch is a southern segment of Boston's MBTA Red Line rapid transit system that serves neighborhoods including Dorchester and terminates at Ashmont station.
-
C.
Doylestown Branch
The Doylestown Branch is a former Reading Railroad commuter rail line in southeastern Pennsylvania that connected Philadelphia with the town of Doylestown.
-
D.
Danbury Branch
The Danbury Branch is a commuter rail line in southwestern Connecticut operated by Metro-North Railroad, connecting Danbury and intermediate towns to the New Haven Line and the New York City region.
-
E.
Cape May Branch
The Cape May Branch is a historic railroad line in southern New Jersey that runs down the Cape May Peninsula, historically serving both freight and seasonal passenger traffic to the coastal resort 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: Foxboro branch (special service) Triple: [Readville station, servedByLine, Foxboro branch (special service)]
Generated description
Foxboro branch (special service) is a limited MBTA commuter rail service that operates on a branch line to Foxboro, typically for special events and select trips rather than as a full-time regular route.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Foxboro branch (special service) Target entity description: Foxboro branch (special service) is a limited MBTA commuter rail service that operates on a branch line to Foxboro, typically for special events and select trips rather than as a full-time regular route.
-
A.
Newburyport Branch
The Newburyport Branch is a rail line segment in northeastern Massachusetts that forms part of the MBTA Commuter Rail’s Newburyport/Rockport Line, connecting communities north of Boston.
-
B.
Ashmont branch
The Ashmont branch is a southern segment of Boston's MBTA Red Line rapid transit system that serves neighborhoods including Dorchester and terminates at Ashmont station.
-
C.
Doylestown Branch
The Doylestown Branch is a former Reading Railroad commuter rail line in southeastern Pennsylvania that connected Philadelphia with the town of Doylestown.
-
D.
Danbury Branch
The Danbury Branch is a commuter rail line in southwestern Connecticut operated by Metro-North Railroad, connecting Danbury and intermediate towns to the New Haven Line and the New York City region.
-
E.
Cape May Branch
The Cape May Branch is a historic railroad line in southern New Jersey that runs down the Cape May Peninsula, historically serving both freight and seasonal passenger traffic to the coastal resort 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_69d80769eaf081909d82f44e484d6113 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbb0590558819080ccc5874a650b1e |
completed | April 12, 2026, 2:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f76bc762a08190b5d29cef9923da84 |
completed | May 3, 2026, 3:37 p.m. |
| NEDg | Description generation | batch_69f77643b0348190962bf23a9857edbe |
completed | May 3, 2026, 4:22 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f779178dc48190bb0de790de30d8b0 |
completed | May 3, 2026, 4:34 p.m. |
Created at: April 9, 2026, 9:49 p.m.