Triple

T472470
Position Surface form Disambiguated ID Type / Status
Subject PBS E8587 entity
Predicate service P4690 FINISHED
Object PBS LearningMedia
PBS LearningMedia is a free digital education platform offering standards-aligned videos, interactive lessons, and classroom resources for K–12 teachers and students.
 E8587 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: PBS LearningMedia | Statement: [PBS, service, PBS LearningMedia]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PBS LearningMedia
Context triple: [PBS, service, PBS LearningMedia]
  • A. PBS
    PBS is a U.S. public television network known for educational, scientific, and cultural programming.
  • B. Khan Academy
    Khan Academy is a nonprofit educational organization that provides free, high-quality online lessons and practice exercises across a wide range of subjects to learners worldwide.
  • C. NOVA ScienceNow
    NOVA ScienceNow is a television science newsmagazine series that explores cutting-edge developments in science and technology, notably hosted for several seasons by astrophysicist Neil deGrasse Tyson.
  • D. NOVA
    NOVA is the commonly used abbreviation for Northern Virginia Community College, a large public community college serving the Northern Virginia region.
  • E. The George Lucas Educational Foundation
    The George Lucas Educational Foundation is a nonprofit organization dedicated to improving K–12 education through innovative teaching strategies, research, and the sharing of best practices, best known for its Edutopia platform.
  • 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: PBS LearningMedia
Triple: [PBS, service, PBS LearningMedia]
Generated description
PBS LearningMedia is a free digital education platform offering standards-aligned videos, interactive lessons, and classroom resources for K–12 teachers and students.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PBS LearningMedia
Target entity description: PBS LearningMedia is a free digital education platform offering standards-aligned videos, interactive lessons, and classroom resources for K–12 teachers and students.
  • A. PBS chosen
    PBS is a U.S. public television network known for educational, scientific, and cultural programming.
  • B. Khan Academy
    Khan Academy is a nonprofit educational organization that provides free, high-quality online lessons and practice exercises across a wide range of subjects to learners worldwide.
  • C. NOVA ScienceNow
    NOVA ScienceNow is a television science newsmagazine series that explores cutting-edge developments in science and technology, notably hosted for several seasons by astrophysicist Neil deGrasse Tyson.
  • D. NOVA
    NOVA is the commonly used abbreviation for Northern Virginia Community College, a large public community college serving the Northern Virginia region.
  • E. The George Lucas Educational Foundation
    The George Lucas Educational Foundation is a nonprofit organization dedicated to improving K–12 education through innovative teaching strategies, research, and the sharing of best practices, best known for its Edutopia platform.
  • 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_69a2e7f3aeb48190a19453e3a043f486 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2eff24108819092fdb85019ec4089 completed Feb. 28, 2026, 1:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69a462fbc760819092a3065fbb0ef589 completed March 1, 2026, 4:02 p.m.
NEDg Description generation batch_69a4638ac9a481909da9430a589408a3 completed March 1, 2026, 4:04 p.m.
NED2 Entity disambiguation (via description) batch_69a463e978508190baab1c4a721661fb completed March 1, 2026, 4:06 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.