Triple
T507173
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Mateo County, California |
E10525
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
Facebook (Meta) headquarters
Facebook (Meta) headquarters is the main corporate campus of Meta Platforms, Inc., located in Menlo Park in the San Francisco Bay Area.
|
E63207
|
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: Facebook (Meta) headquarters | Statement: [San Mateo County, California, contains, Facebook (Meta) headquarters]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Facebook (Meta) headquarters Context triple: [San Mateo County, California, contains, Facebook (Meta) headquarters]
-
A.
Meta Platforms, Inc.
Meta Platforms, Inc. is a major American technology company best known as the parent of Facebook, Instagram, WhatsApp, and other social media and virtual reality products.
-
B.
Google New York headquarters
Google New York headquarters is a major regional office and campus of Google located in the Chelsea neighborhood of Manhattan, serving as one of the company’s largest hubs outside its Mountain View headquarters.
-
C.
Facebook
Facebook is a major global social networking platform that allows users to connect, share content, and communicate online.
-
D.
Snap Inc.
Snap Inc. is an American technology and social media company best known for developing the multimedia messaging app Snapchat and related camera and augmented reality products.
-
E.
Zuckerberg San Francisco General Hospital and Trauma Center
Zuckerberg San Francisco General Hospital and Trauma Center is a major public safety-net and Level I trauma center in San Francisco that serves as a primary teaching hospital for the University of California, San Francisco.
- 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: Facebook (Meta) headquarters Triple: [San Mateo County, California, contains, Facebook (Meta) headquarters]
Generated description
Facebook (Meta) headquarters is the main corporate campus of Meta Platforms, Inc., located in Menlo Park in the San Francisco Bay Area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Facebook (Meta) headquarters Target entity description: Facebook (Meta) headquarters is the main corporate campus of Meta Platforms, Inc., located in Menlo Park in the San Francisco Bay Area.
-
A.
Meta Platforms, Inc.
Meta Platforms, Inc. is a major American technology company best known as the parent of Facebook, Instagram, WhatsApp, and other social media and virtual reality products.
-
B.
Google New York headquarters
Google New York headquarters is a major regional office and campus of Google located in the Chelsea neighborhood of Manhattan, serving as one of the company’s largest hubs outside its Mountain View headquarters.
-
C.
Facebook
Facebook is a major global social networking platform that allows users to connect, share content, and communicate online.
-
D.
Snap Inc.
Snap Inc. is an American technology and social media company best known for developing the multimedia messaging app Snapchat and related camera and augmented reality products.
-
E.
Zuckerberg San Francisco General Hospital and Trauma Center
Zuckerberg San Francisco General Hospital and Trauma Center is a major public safety-net and Level I trauma center in San Francisco that serves as a primary teaching hospital for the University of California, San Francisco.
- 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_69a2e848adf881908e5e04f7af030093 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f14dcd688190ad47a3b31b95b6d4 |
completed | Feb. 28, 2026, 1:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4984eed2481909d16332d6034bedf |
completed | March 1, 2026, 7:49 p.m. |
| NEDg | Description generation | batch_69a4991506808190a96386726cd0212e |
completed | March 1, 2026, 7:52 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a499dbfdf08190bedce53795790963 |
completed | March 1, 2026, 7:56 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.