Triple

T1321866
Position Surface form Disambiguated ID Type / Status
Subject Chatham-Kent E28234 entity
Predicate hasRiverMouth P4359 FINISHED
Object Thames River mouth at Lake St. Clair
The Thames River mouth at Lake St. Clair is the point in southwestern Ontario where the Thames River empties into Lake St. Clair, forming an ecologically important wetland and shoreline area.
E150901 NE FINISHED

How this triple was built (5 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: Thames River mouth at Lake St. Clair | Statement: [Chatham-Kent, hasRiverMouth, Thames River mouth at Lake St. Clair]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Thames River mouth at Lake St. Clair
Context triple: [Chatham-Kent, hasRiverMouth, Thames River mouth at Lake St. Clair]
  • A. St. Clair River
    The St. Clair River is a major waterway forming part of the border between the United States and Canada, flowing south from Lake Huron toward Lake St. Clair as a key segment of the Great Lakes–St. Lawrence Seaway.
  • B. Thames River (Connecticut)
    The Thames River in Connecticut is a short tidal estuary in southeastern Connecticut that flows past the city of New London before emptying into Long Island Sound.
  • C. St. Marys River
    The St. Marys River is a vital waterway forming part of the U.S.–Canada border, connecting Lake Superior to Lake Huron and hosting major shipping locks at Sault Ste. Marie.
  • D. Detroit River
    The Detroit River is a strait of the Great Lakes system that forms part of the border between the United States and Canada, connecting Lake St. Clair to Lake Erie and serving as a major shipping and industrial waterway.
  • E. Hogsmill River
    The Hogsmill River is a tributary of the River Thames in southwest London and Surrey, known for its chalk stream character and association with the painter John Everett Millais.
  • 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: Thames River mouth at Lake St. Clair
Triple: [Chatham-Kent, hasRiverMouth, Thames River mouth at Lake St. Clair]
Generated description
The Thames River mouth at Lake St. Clair is the point in southwestern Ontario where the Thames River empties into Lake St. Clair, forming an ecologically important wetland and shoreline area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Thames River mouth at Lake St. Clair
Target entity description: The Thames River mouth at Lake St. Clair is the point in southwestern Ontario where the Thames River empties into Lake St. Clair, forming an ecologically important wetland and shoreline area.
  • A. St. Clair River
    The St. Clair River is a major waterway forming part of the border between the United States and Canada, flowing south from Lake Huron toward Lake St. Clair as a key segment of the Great Lakes–St. Lawrence Seaway.
  • B. Thames River (Connecticut)
    The Thames River in Connecticut is a short tidal estuary in southeastern Connecticut that flows past the city of New London before emptying into Long Island Sound.
  • C. St. Marys River
    The St. Marys River is a vital waterway forming part of the U.S.–Canada border, connecting Lake Superior to Lake Huron and hosting major shipping locks at Sault Ste. Marie.
  • D. Detroit River
    The Detroit River is a strait of the Great Lakes system that forms part of the border between the United States and Canada, connecting Lake St. Clair to Lake Erie and serving as a major shipping and industrial waterway.
  • E. Hogsmill River
    The Hogsmill River is a tributary of the River Thames in southwest London and Surrey, known for its chalk stream character and association with the painter John Everett Millais.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRiverMouth
Context triple: [Chatham-Kent, hasRiverMouth, Thames River mouth at Lake St. Clair]
  • A. mouthOfTheWatercourse chosen
    Indicates the location where a watercourse ends and flows into a larger body of water.
  • B. hasRiver
    Indicates that a location or area contains, is traversed by, or is directly associated with a river.
  • C. hasKeyRiverMouth
    Indicates that a geographic entity has a primary river mouth located within or associated with it.
  • D. cityAtMouth
    Indicates that a city is located at or very near the mouth (outlet) of a river.
  • E. majorPortAtMouth
    Indicates that a major port is located at the mouth of a river where it meets a larger body of water.
  • F. None of above.

Provenance (6 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_69a498540a2481909e807a762280d3ba completed March 1, 2026, 7:49 p.m.
NER Named-entity recognition batch_69a4c19932888190a3d45871e84f112e completed March 1, 2026, 10:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69acbaf6a6d08190b8a30c2c64f15f59 completed March 7, 2026, 11:55 p.m.
NEDg Description generation batch_69acbbd8b6b881908412e5ab5d9baf79 completed March 7, 2026, 11:59 p.m.
NED2 Entity disambiguation (via description) batch_69acbd0dcf74819093b5985b0f3bc8a2 completed March 8, 2026, 12:04 a.m.
PD Predicate disambiguation batch_69a4beedb49c8190beb5b85cdda05013 completed March 1, 2026, 10:34 p.m.
Created at: March 1, 2026, 7:55 p.m.