Triple

T1026059
Position Surface form Disambiguated ID Type / Status
Subject Saugus River E22140 entity
Predicate hasTributary P415 FINISHED
Object Shawsheen Brook
Shawsheen Brook is a small stream in Massachusetts that feeds into the Saugus River as part of the region’s coastal watershed.
 E308253 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: Shawsheen Brook | Statement: [Saugus River, hasTributary, Shawsheen Brook]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Shawsheen Brook
Context triple: [Saugus River, hasTributary, Shawsheen Brook]
  • A. Squannacook River
    The Squannacook River is a scenic tributary of the Nashua River in north-central Massachusetts, known for its forested surroundings, wildlife habitat, and recreational opportunities such as fishing and paddling.
  • B. Malden River
    The Malden River is a short urban river in the Greater Boston area of Massachusetts that flows through communities including Everett before joining the Mystic River.
  • C. Aberjona River
    The Aberjona River is a small river in eastern Massachusetts that flows through communities such as Winchester and Woburn before joining the Mystic River.
  • D. Nashua River
    The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
  • E. Alewife Brook
    Alewife Brook is a small urban stream in the Boston metropolitan area that flows through Arlington and neighboring communities before joining the Mystic River.
  • 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: Shawsheen Brook
Triple: [Saugus River, hasTributary, Shawsheen Brook]
Generated description
Shawsheen Brook is a small stream in Massachusetts that feeds into the Saugus River as part of the region’s coastal watershed.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Shawsheen Brook
Target entity description: Shawsheen Brook is a small stream in Massachusetts that feeds into the Saugus River as part of the region’s coastal watershed.
  • A. Squannacook River
    The Squannacook River is a scenic tributary of the Nashua River in north-central Massachusetts, known for its forested surroundings, wildlife habitat, and recreational opportunities such as fishing and paddling.
  • B. Malden River
    The Malden River is a short urban river in the Greater Boston area of Massachusetts that flows through communities including Everett before joining the Mystic River.
  • C. Aberjona River
    The Aberjona River is a small river in eastern Massachusetts that flows through communities such as Winchester and Woburn before joining the Mystic River.
  • D. Nashua River
    The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
  • E. Alewife Brook
    Alewife Brook is a small urban stream in the Boston metropolitan area that flows through Arlington and neighboring communities before joining the Mystic River.
  • 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_69a493d6e380819097b384986ffc315c completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b7f5e7b48190b26524573c2824ba completed March 1, 2026, 10:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69b030cd78548190a07264d42e18906b completed March 10, 2026, 2:55 p.m.
NEDg Description generation batch_69b031b0606c81908ff879fd8464c7d4 completed March 10, 2026, 2:58 p.m.
NED2 Entity disambiguation (via description) batch_69b039a5d7748190a44b878a5be62f54 completed March 10, 2026, 3:32 p.m.
Created at: March 1, 2026, 7:41 p.m.