Triple

T1424938
Position Surface form Disambiguated ID Type / Status
Subject Mystic River watershed E30307 entity
Predicate contains P35 FINISHED
Object Lower Mystic Lake
Lower Mystic Lake is a freshwater lake in Massachusetts that serves as a key recreational and ecological feature within the Mystic River system.
 E167929 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: Lower Mystic Lake | Statement: [Mystic River watershed, contains, Lower Mystic Lake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lower Mystic Lake
Context triple: [Mystic River watershed, contains, Lower Mystic Lake]
  • A. Upper Mystic Lake
    Upper Mystic Lake is a freshwater lake in Massachusetts known for its recreational use, scenic surroundings, and role as part of the Mystic River system.
  • B. Pleasant Lake
    Pleasant Lake is a small village within the town of Harwich on Cape Cod in Massachusetts, known for its residential character and proximity to local lakes and natural areas.
  • C. Lower Saranac Lake
    Lower Saranac Lake is a popular recreational lake in New York’s Adirondack region, known for its scenic islands, boating, and camping opportunities.
  • D. Bantam Lake
    Bantam Lake is the largest natural lake in Connecticut, known for its recreational activities and scenic surroundings.
  • E. Lake Mohegan
    Lake Mohegan is a residential hamlet in the town of Yorktown in Westchester County, New York.
  • 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: Lower Mystic Lake
Triple: [Mystic River watershed, contains, Lower Mystic Lake]
Generated description
Lower Mystic Lake is a freshwater lake in Massachusetts that serves as a key recreational and ecological feature within the Mystic River system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lower Mystic Lake
Target entity description: Lower Mystic Lake is a freshwater lake in Massachusetts that serves as a key recreational and ecological feature within the Mystic River system.
  • A. Upper Mystic Lake
    Upper Mystic Lake is a freshwater lake in Massachusetts known for its recreational use, scenic surroundings, and role as part of the Mystic River system.
  • B. Pleasant Lake
    Pleasant Lake is a small village within the town of Harwich on Cape Cod in Massachusetts, known for its residential character and proximity to local lakes and natural areas.
  • C. Lower Saranac Lake
    Lower Saranac Lake is a popular recreational lake in New York’s Adirondack region, known for its scenic islands, boating, and camping opportunities.
  • D. Bantam Lake
    Bantam Lake is the largest natural lake in Connecticut, known for its recreational activities and scenic surroundings.
  • E. Lake Mohegan
    Lake Mohegan is a residential hamlet in the town of Yorktown in Westchester County, New York.
  • 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_69a498fb823c8190a67ce4c4837e641a completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c4bd59148190b96f9f585e07aa0d completed March 1, 2026, 10:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad0e6a09bc8190a9c67ec42c187340 completed March 8, 2026, 5:51 a.m.
NEDg Description generation batch_69ad10525c6081909a11e2913e6f9c7a completed March 8, 2026, 5:59 a.m.
NED2 Entity disambiguation (via description) batch_69ad10cfb6988190ae8c55eda93a00fc completed March 8, 2026, 6:01 a.m.
Created at: March 1, 2026, 8 p.m.