Triple

T390126
Position Surface form Disambiguated ID Type / Status
Subject Potomac and Rappahannock Transportation Commission E8861 entity
Predicate hasAbbreviation P43 FINISHED
Object PRTC
PRTC is a public transit agency serving Northern Virginia with commuter and local bus services.
 E49211 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: PRTC | Statement: [Potomac and Rappahannock Transportation Commission, hasAbbreviation, PRTC]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PRTC
Context triple: [Potomac and Rappahannock Transportation Commission, hasAbbreviation, PRTC]
  • A. PRT
    PRT is the three-letter ISO 3166-1 alpha-3 country code assigned to Portugal.
  • B. PRR
    PRR is the abbreviation commonly used for the Pennsylvania Railroad Company, once one of the largest and most influential railroads in the United States.
  • C. PTC
    PTC is an advanced safety system used on railroads to automatically prevent train collisions, overspeed derailments, and other dangerous movements.
  • D. PCT
    The PCT is a long-distance hiking and equestrian trail that spans over 2,600 miles along the U.S. West Coast from Mexico to Canada through California, Oregon, and Washington.
  • E. PTP
    PTP is a network-based time synchronization protocol defined by the IEEE 1588 standard that enables highly precise clock alignment across distributed systems.
  • 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: PRTC
Triple: [Potomac and Rappahannock Transportation Commission, hasAbbreviation, PRTC]
Generated description
PRTC is a public transit agency serving Northern Virginia with commuter and local bus services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PRTC
Target entity description: PRTC is a public transit agency serving Northern Virginia with commuter and local bus services.
  • A. PRT
    PRT is the three-letter ISO 3166-1 alpha-3 country code assigned to Portugal.
  • B. PRR
    PRR is the abbreviation commonly used for the Pennsylvania Railroad Company, once one of the largest and most influential railroads in the United States.
  • C. PTC
    PTC is an advanced safety system used on railroads to automatically prevent train collisions, overspeed derailments, and other dangerous movements.
  • D. PCT
    The PCT is a long-distance hiking and equestrian trail that spans over 2,600 miles along the U.S. West Coast from Mexico to Canada through California, Oregon, and Washington.
  • E. PTP
    PTP is a network-based time synchronization protocol defined by the IEEE 1588 standard that enables highly precise clock alignment across distributed systems.
  • 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_69a2e7f55c60819097aff65ea2ca2832 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec5bdc848190826701590070497b completed Feb. 28, 2026, 1:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4035310608190a1e0f807cb93e1e1 completed March 1, 2026, 9:13 a.m.
NEDg Description generation batch_69a403a7c1488190a7773a5ae8a8cec7 completed March 1, 2026, 9:15 a.m.
NED2 Entity disambiguation (via description) batch_69a40428b014819091c6534ba35a11ff completed March 1, 2026, 9:17 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.