Triple

T676883
Position Surface form Disambiguated ID Type / Status
Subject Harvard Crimson men’s rowing E13096 entity
Predicate trainingLocation P40 FINISHED
Object Charles River, Boston and Cambridge
The Charles River in Boston and Cambridge is a prominent urban waterway known for its scenic esplanades, recreational boating, and long-standing role as a hub for collegiate rowing.
E87306 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: Charles River, Boston and Cambridge | Statement: [Harvard Crimson men’s rowing, trainingLocation, Charles River, Boston and Cambridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Charles River, Boston and Cambridge
Context triple: [Harvard Crimson men’s rowing, trainingLocation, Charles River, Boston and Cambridge]
  • A. Boston–Concord main line
    The Boston–Concord main line was a principal intercity rail corridor in New England that connected Boston, Massachusetts with Concord, New Hampshire, serving as a key route for the Boston and Maine Railroad.
  • B. Boston–Portland main line
    The Boston–Portland main line is a historic New England railroad corridor connecting Boston, Massachusetts, with Portland, Maine, that has long served as a key passenger and freight route along the region’s coast.
  • C. Boston and Lowell Railroad
    The Boston and Lowell Railroad was a 19th-century New England railway company that operated a key line between Boston and Lowell, Massachusetts, and later became part of larger regional rail systems.
  • D. Merrimack Valley
    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.
  • E. Malden riverfront
    Malden riverfront is the developed shoreline area along the Malden River, featuring public access, recreational spaces, and views of the water.
  • 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: Charles River, Boston and Cambridge
Triple: [Harvard Crimson men’s rowing, trainingLocation, Charles River, Boston and Cambridge]
Generated description
The Charles River in Boston and Cambridge is a prominent urban waterway known for its scenic esplanades, recreational boating, and long-standing role as a hub for collegiate rowing.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Charles River, Boston and Cambridge
Target entity description: The Charles River in Boston and Cambridge is a prominent urban waterway known for its scenic esplanades, recreational boating, and long-standing role as a hub for collegiate rowing.
  • A. Boston–Concord main line
    The Boston–Concord main line was a principal intercity rail corridor in New England that connected Boston, Massachusetts with Concord, New Hampshire, serving as a key route for the Boston and Maine Railroad.
  • B. Boston–Portland main line
    The Boston–Portland main line is a historic New England railroad corridor connecting Boston, Massachusetts, with Portland, Maine, that has long served as a key passenger and freight route along the region’s coast.
  • C. Boston and Lowell Railroad
    The Boston and Lowell Railroad was a 19th-century New England railway company that operated a key line between Boston and Lowell, Massachusetts, and later became part of larger regional rail systems.
  • D. Merrimack Valley
    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.
  • E. Malden riverfront
    Malden riverfront is the developed shoreline area along the Malden River, featuring public access, recreational spaces, and views of the water.
  • 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_69a4933d3bf88190972041cd8cf143b9 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4a04b2ae881908a5c23453bef8572 completed March 1, 2026, 8:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69a64a518d6481909500c2941c579153 completed March 3, 2026, 2:41 a.m.
NEDg Description generation batch_69a64b1575748190aa5a34e7320b3d8b completed March 3, 2026, 2:44 a.m.
NED2 Entity disambiguation (via description) batch_69a64b80d5fc81909e69832457569064 completed March 3, 2026, 2:46 a.m.
Created at: March 1, 2026, 7:36 p.m.