Triple

T7478391
Position Surface form Disambiguated ID Type / Status
Subject Lake Pontchartrain E176687 entity
Predicate inflow P415 FINISHED
Object Tangipahoa River
The Tangipahoa River is a north–south flowing river in Mississippi and Louisiana that drains a largely rural watershed before emptying into Lake Pontchartrain.
E689754 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: Tangipahoa River | Statement: [Lake Pontchartrain, inflow, Tangipahoa River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tangipahoa River
Context triple: [Lake Pontchartrain, inflow, Tangipahoa River]
  • A. Salkehatchie River
    The Salkehatchie River is a blackwater river in southern South Carolina that flows through several rural counties before contributing to the formation of the Combahee River and ultimately draining into the Atlantic Ocean.
  • B. Caney River
    The Caney River is a tributary of the Verdigris River that flows through southeastern Kansas and northeastern Oklahoma, including the city of Bartlesville.
  • C. Ouachita River
    The Ouachita River is a major waterway in the south-central United States that flows through Arkansas and Louisiana, supporting regional ecosystems, commerce, and recreation.
  • D. Wakulla River
    The Wakulla River is a spring-fed river in northern Florida known for its clear waters, rich wildlife, and connection to the Wakulla Springs State Park.
  • E. Sassagoula River
    The Sassagoula River is a man-made waterway at Walt Disney World Resort that provides scenic boat transportation and thematic ambiance connecting several Disney resort hotels to Disney Springs.
  • 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: Tangipahoa River
Triple: [Lake Pontchartrain, inflow, Tangipahoa River]
Generated description
The Tangipahoa River is a north–south flowing river in Mississippi and Louisiana that drains a largely rural watershed before emptying into Lake Pontchartrain.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tangipahoa River
Target entity description: The Tangipahoa River is a north–south flowing river in Mississippi and Louisiana that drains a largely rural watershed before emptying into Lake Pontchartrain.
  • A. Salkehatchie River
    The Salkehatchie River is a blackwater river in southern South Carolina that flows through several rural counties before contributing to the formation of the Combahee River and ultimately draining into the Atlantic Ocean.
  • B. Caney River
    The Caney River is a tributary of the Verdigris River that flows through southeastern Kansas and northeastern Oklahoma, including the city of Bartlesville.
  • C. Ouachita River
    The Ouachita River is a major waterway in the south-central United States that flows through Arkansas and Louisiana, supporting regional ecosystems, commerce, and recreation.
  • D. Wakulla River
    The Wakulla River is a spring-fed river in northern Florida known for its clear waters, rich wildlife, and connection to the Wakulla Springs State Park.
  • E. Sassagoula River
    The Sassagoula River is a man-made waterway at Walt Disney World Resort that provides scenic boat transportation and thematic ambiance connecting several Disney resort hotels to Disney Springs.
  • 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_69c69f236ce08190a04d7679f03b29b2 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f4f0088c8190880770ac31e5b7a7 completed March 27, 2026, 9:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69c9061d1be0819094109703ec4a99f7 completed March 29, 2026, 10:59 a.m.
NEDg Description generation batch_69c90a3ecca48190bddb3d6ec89f8b34 completed March 29, 2026, 11:17 a.m.
NED2 Entity disambiguation (via description) batch_69c90af0a2d4819081f5da11a53cf506 completed March 29, 2026, 11:20 a.m.
Created at: March 27, 2026, 3:42 p.m.