Triple
T3975645
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maine Central Railroad |
E85633
|
entity |
| Predicate | servedPort |
P1763
|
FINISHED |
| Object |
Portland harbor
Portland harbor is a major seaport on the coast of Maine known historically as a key commercial and transportation hub in New England.
|
E405071
|
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: Portland harbor | Statement: [Maine Central Railroad, servedPort, Portland harbor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland harbor Context triple: [Maine Central Railroad, servedPort, Portland harbor]
-
A.
Washington Harbor
Washington Harbor is a small, sheltered inlet on Isle Royale in Lake Superior, known as a key access point and harbor area within Isle Royale National Park.
-
B.
Portsmouth Harbor
Portsmouth Harbor is a historic deep-water port on the Atlantic coast of New Hampshire and Maine, known for its naval shipyard, maritime commerce, and strategic military significance.
-
C.
Baltimore Harbor
Baltimore Harbor is a historic seaport in Baltimore, Maryland, best known as the site of the War of 1812 battle that inspired the United States national anthem.
-
D.
Boston Harbor
Boston Harbor is a natural harbor and estuary of Massachusetts Bay that serves as the historic maritime gateway to the city of Boston and a major hub of shipping, recreation, and coastal ecology in New England.
-
E.
Annapolis Harbor
Annapolis Harbor is a historic waterfront and marina area in Annapolis, Maryland, known for its sailing, maritime heritage, and proximity to the U.S. Naval Academy.
- 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: Portland harbor Triple: [Maine Central Railroad, servedPort, Portland harbor]
Generated description
Portland harbor is a major seaport on the coast of Maine known historically as a key commercial and transportation hub in New England.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Portland harbor Target entity description: Portland harbor is a major seaport on the coast of Maine known historically as a key commercial and transportation hub in New England.
-
A.
Washington Harbor
Washington Harbor is a small, sheltered inlet on Isle Royale in Lake Superior, known as a key access point and harbor area within Isle Royale National Park.
-
B.
Portsmouth Harbor
Portsmouth Harbor is a historic deep-water port on the Atlantic coast of New Hampshire and Maine, known for its naval shipyard, maritime commerce, and strategic military significance.
-
C.
Baltimore Harbor
Baltimore Harbor is a historic seaport in Baltimore, Maryland, best known as the site of the War of 1812 battle that inspired the United States national anthem.
-
D.
Boston Harbor
Boston Harbor is a natural harbor and estuary of Massachusetts Bay that serves as the historic maritime gateway to the city of Boston and a major hub of shipping, recreation, and coastal ecology in New England.
-
E.
Annapolis Harbor
Annapolis Harbor is a historic waterfront and marina area in Annapolis, Maryland, known for its sailing, maritime heritage, and proximity to the U.S. Naval Academy.
- 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_69aed93908348190a26c8aaf4fab3e86 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aef9b6d8008190822fceabe6542b3d |
completed | March 9, 2026, 4:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5401712188190aa6144dc1d5dcab6 |
completed | March 14, 2026, 11:01 a.m. |
| NEDg | Description generation | batch_69b54411546481908627a8b3ce7a433a |
completed | March 14, 2026, 11:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b544a02d5c8190a76a074cc7e98cc5 |
completed | March 14, 2026, 11:21 a.m. |
Created at: March 9, 2026, 3:33 p.m.