Triple

T17197457
Position Surface form Disambiguated ID Type / Status
Subject Port Tobacco River Conservancy E417389 entity
Predicate abbreviation P43 FINISHED
Object PTRC
PTRC is an environmental nonprofit organization dedicated to protecting and restoring the Port Tobacco River and its surrounding watershed.
 E1256551 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: PTRC | Statement: [Port Tobacco River Conservancy, abbreviation, PTRC]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PTRC
Context triple: [Port Tobacco River Conservancy, abbreviation, PTRC]
  • A. PRTC
    PRTC is a public transit agency serving Northern Virginia with commuter and local bus services.
  • B. PRTC
    PRTC was a leftist Salvadoran guerrilla organization that became one of the constituent groups of the Farabundo Martí National Liberation Front (FMLN) during El Salvador’s civil war.
  • C. PRTC
    PRTC stands for Primary Reference Time Clock, a highly accurate timing source used in telecommunications networks to provide traceable time and phase synchronization.
  • D. PTR
    PTR was the abbreviation for the Physikalisch-Technische Reichsanstalt, the German national institute for standards and scientific-technical metrology in the early 20th century.
  • E. PTR
    PTR is the New York Stock Exchange ticker symbol for PetroChina Company Limited, one of China’s largest state-owned oil and gas producers.
  • 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: PTRC
Triple: [Port Tobacco River Conservancy, abbreviation, PTRC]
Generated description
PTRC is an environmental nonprofit organization dedicated to protecting and restoring the Port Tobacco River and its surrounding watershed.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PTRC
Target entity description: PTRC is an environmental nonprofit organization dedicated to protecting and restoring the Port Tobacco River and its surrounding watershed.
  • A. PRTC
    PRTC is a public transit agency serving Northern Virginia with commuter and local bus services.
  • B. PRTC
    PRTC stands for Primary Reference Time Clock, a highly accurate timing source used in telecommunications networks to provide traceable time and phase synchronization.
  • C. PRTC
    PRTC was a leftist Salvadoran guerrilla organization that became one of the constituent groups of the Farabundo Martí National Liberation Front (FMLN) during El Salvador’s civil war.
  • D. PTR
    PTR was the abbreviation for the Physikalisch-Technische Reichsanstalt, the German national institute for standards and scientific-technical metrology in the early 20th century.
  • E. PTR
    PTR is the New York Stock Exchange ticker symbol for PetroChina Company Limited, one of China’s largest state-owned oil and gas producers.
  • 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_69d886d6ba8c819093215917b3d01689 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e42dab718c8190b6f5b08189cf2eb2 completed April 19, 2026, 1:19 a.m.
NED1 Entity disambiguation (via context triple) batch_6a015fd7ef048190b0828ec6ea0e119c completed May 11, 2026, 4:49 a.m.
NEDg Description generation batch_6a01636d8f008190975bcd8d9124ec88 completed May 11, 2026, 5:04 a.m.
NED2 Entity disambiguation (via description) batch_6a0163d510908190906a3b186e840688 completed May 11, 2026, 5:06 a.m.
Created at: April 10, 2026, 5:38 a.m.