Triple

T8525578
Position Surface form Disambiguated ID Type / Status
Subject Hanover, Massachusetts E201806 entity
Predicate crossedByRiver P225 FINISHED
Object Indian Head River
The Indian Head River is a small river in southeastern Massachusetts known for flowing through the towns of Hanover and Hanson and contributing to the North River watershed.
E957770 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: Indian Head River | Statement: [Hanover, Massachusetts, crossedByRiver, Indian Head River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Indian Head River
Context triple: [Hanover, Massachusetts, crossedByRiver, Indian Head River]
  • A. Applegate River
    The Applegate River is a tributary of the Rogue River in southwestern Oregon known for its scenic valley, recreational opportunities, and role in local agriculture and ecosystems.
  • B. Sac River
    The Sac River is a river in southwestern Missouri that flows through the Ozarks and ultimately feeds into the Osage River system.
  • C. Still River
    Still River is a small tributary in western Connecticut that flows through the city of Danbury before joining the Housatonic River.
  • D. Squamscott River
    The Squamscott River is a tidal river in southeastern New Hampshire that flows through the town of Exeter before joining the Piscataqua River system and ultimately emptying into the Atlantic Ocean.
  • E. Quinapoxet River
    The Quinapoxet River is a tributary in central Massachusetts that drains rural and forested areas before feeding into the Wachusett Reservoir, a major regional water supply.
  • 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: Indian Head River
Triple: [Hanover, Massachusetts, crossedByRiver, Indian Head River]
Generated description
The Indian Head River is a small river in southeastern Massachusetts known for flowing through the towns of Hanover and Hanson and contributing to the North River watershed.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Indian Head River
Target entity description: The Indian Head River is a small river in southeastern Massachusetts known for flowing through the towns of Hanover and Hanson and contributing to the North River watershed.
  • A. Applegate River
    The Applegate River is a tributary of the Rogue River in southwestern Oregon known for its scenic valley, recreational opportunities, and role in local agriculture and ecosystems.
  • B. Sac River
    The Sac River is a river in southwestern Missouri that flows through the Ozarks and ultimately feeds into the Osage River system.
  • C. Still River
    Still River is a small tributary in western Connecticut that flows through the city of Danbury before joining the Housatonic River.
  • D. Squamscott River
    The Squamscott River is a tidal river in southeastern New Hampshire that flows through the town of Exeter before joining the Piscataqua River system and ultimately emptying into the Atlantic Ocean.
  • E. Quinapoxet River
    The Quinapoxet River is a tributary in central Massachusetts that drains rural and forested areas before feeding into the Wachusett Reservoir, a major regional water supply.
  • 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_69ca83228b24819085d22e7dc99f5d94 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe6463fe48190b6d3482212356be1 completed March 31, 2026, 3:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69f470cbce14819099d47d468ae61df7 completed May 1, 2026, 9:22 a.m.
NEDg Description generation batch_69f47b755f808190acb2fb31473d2405 completed May 1, 2026, 10:07 a.m.
NED2 Entity disambiguation (via description) batch_69f47d8bbae8819088d48b300291ef74 completed May 1, 2026, 10:16 a.m.
Created at: March 30, 2026, 6:16 p.m.