Triple
T5447332
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Haverhill Line |
E122280
|
entity |
| Predicate | servesRegion |
P82
|
FINISHED |
| Object | Merrimack Valley |
E35013
|
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: Merrimack Valley | Statement: [MBTA Commuter Rail Haverhill Line, servesRegion, Merrimack Valley]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Merrimack Valley Context triple: [MBTA Commuter Rail Haverhill Line, servesRegion, Merrimack Valley]
-
A.
Merrimack Valley
chosen
Merrimack Valley is a region in northeastern Massachusetts and southern New Hampshire centered around the Merrimack River, known for its historic mill cities and industrial heritage.
-
B.
Boston–Fall River corridor
The Boston–Fall River corridor is a major transportation and economic region in southeastern Massachusetts linking the Greater Boston area with the city of Fall River and surrounding communities.
-
C.
Blackstone Valley
Blackstone Valley is a historic industrial region in central Massachusetts known as the birthplace of America’s Industrial Revolution along the Blackstone River.
-
D.
Upper Valley
The Upper Valley is a bi-state region along the Connecticut River in New Hampshire and Vermont, known for its college-town communities, rural landscapes, and cultural and economic hub centered around Dartmouth College and Dartmouth-Hitchcock Medical Center.
-
E.
Hartford–Springfield region
The Hartford–Springfield region is a bi-state metropolitan area spanning north-central Connecticut and western Massachusetts, centered on the cities of Hartford and Springfield and linked by shared economic, cultural, and transportation ties.
- 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_69bd4640f52c81909e653ec361f66d76 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd91d0df348190b3de010c87cb6d5d |
completed | March 20, 2026, 6:28 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf4137ecf881908f3f036457b59281 |
completed | March 22, 2026, 1:09 a.m. |
Created at: March 20, 2026, 2:07 p.m.