Triple

T11324064
Position Surface form Disambiguated ID Type / Status
Subject Anacostia Tributary Trail System E268163 entity
Predicate partOf P40 FINISHED
Object Anacostia watershed greenway network
The Anacostia watershed greenway network is a connected system of parks, trails, and natural corridors along the Anacostia River and its tributaries designed to support recreation, conservation, and alternative transportation in the region.
E268163 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: Anacostia watershed greenway network | Statement: [Anacostia Tributary Trail System, partOf, Anacostia watershed greenway network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Anacostia watershed greenway network
Context triple: [Anacostia Tributary Trail System, partOf, Anacostia watershed greenway network]
  • A. Anacostia Tributary Trail System
    The Anacostia Tributary Trail System is a network of multi-use trails in the Washington, D.C. metropolitan area that follows the tributaries of the Anacostia River, providing recreational and commuter routes for cyclists, runners, and walkers.
  • B. Gwynns Falls Greenway
    Gwynns Falls Greenway is an urban greenway and trail system in Baltimore that preserves natural areas along the Gwynns Falls stream while providing recreational paths for walking and biking.
  • C. Anacostia Riverwalk Trail
    The Anacostia Riverwalk Trail is a multi-use recreational path in Washington, D.C., that connects parks, neighborhoods, and waterfront areas along the Anacostia River.
  • D. Nine Mile Run greenway
    Nine Mile Run greenway is an urban green corridor and restored natural area in Pittsburgh that provides trails, recreation space, and ecological habitat along the Nine Mile Run stream.
  • E. Capital Crescent Trail
    The Capital Crescent Trail is a popular multi-use rail trail in the Washington, D.C. area, known for its scenic route along the Potomac River connecting Georgetown to suburban Maryland.
  • 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: Anacostia watershed greenway network
Triple: [Anacostia Tributary Trail System, partOf, Anacostia watershed greenway network]
Generated description
The Anacostia watershed greenway network is a connected system of parks, trails, and natural corridors along the Anacostia River and its tributaries designed to support recreation, conservation, and alternative transportation in the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Anacostia watershed greenway network
Target entity description: The Anacostia watershed greenway network is a connected system of parks, trails, and natural corridors along the Anacostia River and its tributaries designed to support recreation, conservation, and alternative transportation in the region.
  • A. Anacostia Tributary Trail System chosen
    The Anacostia Tributary Trail System is a network of multi-use trails in the Washington, D.C. metropolitan area that follows the tributaries of the Anacostia River, providing recreational and commuter routes for cyclists, runners, and walkers.
  • B. Gwynns Falls Greenway
    Gwynns Falls Greenway is an urban greenway and trail system in Baltimore that preserves natural areas along the Gwynns Falls stream while providing recreational paths for walking and biking.
  • C. Anacostia Riverwalk Trail
    The Anacostia Riverwalk Trail is a multi-use recreational path in Washington, D.C., that connects parks, neighborhoods, and waterfront areas along the Anacostia River.
  • D. Nine Mile Run greenway
    Nine Mile Run greenway is an urban green corridor and restored natural area in Pittsburgh that provides trails, recreation space, and ecological habitat along the Nine Mile Run stream.
  • E. Capital Crescent Trail
    The Capital Crescent Trail is a popular multi-use rail trail in the Washington, D.C. area, known for its scenic route along the Potomac River connecting Georgetown to suburban Maryland.
  • F. None of above.

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_69d6aacb1f0881908c84a349fd1be047 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e9e122e48190b3f890de8d561480 completed April 9, 2026, 6:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69e525fb8d74819089d1505d1f0f116c completed April 19, 2026, 6:59 p.m.
NEDg Description generation batch_69e52c82b6108190aec9b6e9d726f803 completed April 19, 2026, 7:26 p.m.
NED2 Entity disambiguation (via description) batch_69e531c2a4b88190bb1efd57536bae9a completed April 19, 2026, 7:49 p.m.
Created at: April 8, 2026, 9:32 p.m.