Triple

T4177375
Position Surface form Disambiguated ID Type / Status
Subject Magnite E86509 entity
Predicate formedByMergerOf P77 FINISHED
Object Rubicon Project
Rubicon Project was a digital advertising technology company specializing in programmatic ad exchange and monetization solutions for publishers and advertisers.
 E86509 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: Rubicon Project | Statement: [Magnite, formedByMergerOf, Rubicon Project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rubicon Project
Context triple: [Magnite, formedByMergerOf, Rubicon Project]
  • A. Magnite
    Magnite is a leading independent sell-side advertising platform that helps publishers manage and monetize digital ad inventory across channels like CTV, video, and display.
  • B. PubMatic
    PubMatic is a digital advertising technology company that provides a sell-side platform (SSP) enabling publishers to manage and optimize programmatic ad inventory and revenue.
  • C. Xandr
    Xandr is a digital advertising and analytics platform that provides tools for programmatic ad buying, selling, and campaign optimization across multiple channels.
  • D. IAB Tech Lab
    IAB Tech Lab is a global industry body that develops technical standards and solutions to support and improve digital advertising.
  • E. Google Ad Manager
    Google Ad Manager is Google's unified advertising platform that helps publishers manage, serve, and optimize digital ads across web, app, and video inventory.
  • 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: Rubicon Project
Triple: [Magnite, formedByMergerOf, Rubicon Project]
Generated description
Rubicon Project was a digital advertising technology company specializing in programmatic ad exchange and monetization solutions for publishers and advertisers.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rubicon Project
Target entity description: Rubicon Project was a digital advertising technology company specializing in programmatic ad exchange and monetization solutions for publishers and advertisers.
  • A. Magnite chosen
    Magnite is a leading independent sell-side advertising platform that helps publishers manage and monetize digital ad inventory across channels like CTV, video, and display.
  • B. PubMatic
    PubMatic is a digital advertising technology company that provides a sell-side platform (SSP) enabling publishers to manage and optimize programmatic ad inventory and revenue.
  • C. Xandr
    Xandr is a digital advertising and analytics platform that provides tools for programmatic ad buying, selling, and campaign optimization across multiple channels.
  • D. IAB Tech Lab
    IAB Tech Lab is a global industry body that develops technical standards and solutions to support and improve digital advertising.
  • E. Google Ad Manager
    Google Ad Manager is Google's unified advertising platform that helps publishers manage, serve, and optimize digital ads across web, app, and video inventory.
  • 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_69aed93de98c8190ad838ce507b77c8a completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af02ec20fc8190b6f30576337e0ddc completed March 9, 2026, 5:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69b589f2d7988190b59f0f119f66c046 completed March 14, 2026, 4:16 p.m.
NEDg Description generation batch_69b58b22a1d88190a16e1c1e41291f5a completed March 14, 2026, 4:21 p.m.
NED2 Entity disambiguation (via description) batch_69b58b8bfb288190a097942b5b8c366e completed March 14, 2026, 4:23 p.m.
Created at: March 9, 2026, 3:45 p.m.