Triple
T13157718
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Exeter station |
E312633
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Portland, Maine (via Downeaster) |
E1859
|
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: Portland, Maine (via Downeaster) | Statement: [Exeter station, serves, Portland, Maine (via Downeaster)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland, Maine (via Downeaster) Context triple: [Exeter station, serves, Portland, Maine (via Downeaster)]
-
A.
Boston, Massachusetts (via Downeaster)
Boston, Massachusetts (via Downeaster) refers to the city of Boston as a destination on Amtrak’s Downeaster passenger rail line connecting it with communities in New Hampshire and Maine.
-
B.
Portland, Maine
Portland, Maine is a coastal New England city known for its historic Old Port district, vibrant arts and food scenes, and working waterfront on Casco Bay.
-
C.
South Portland, Maine
South Portland, Maine is a coastal city in Cumberland County known for its industrial base, retail centers, and proximity to Portland Harbor.
-
D.
Searsport, Maine
Searsport, Maine is a small coastal town in New England known for its historic deep-water port and maritime heritage.
-
E.
Portland, Maine, United States
chosen
Portland, Maine, United States is a historic coastal city in northern New England known for its working waterfront, vibrant arts and culinary scenes, and well-preserved 19th-century architecture.
- 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_69d806aabde48190899e13e41659cae5 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98c084028819093bc4e94d53b4f17 |
completed | April 10, 2026, 11:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6f5df07ec8190be64ed80d7e220b7 |
completed | May 3, 2026, 7:14 a.m. |
Created at: April 9, 2026, 9:12 p.m.