Triple
T1889
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | National Science Foundation |
E35
|
entity |
| Predicate | previousHeadquartersLocation |
P62
|
FINISHED |
| Object |
Arlington, Virginia
Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
|
E64
|
NE FINISHED |
How this triple was built (5 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: Arlington, Virginia | Statement: [National Science Foundation, previousHeadquartersLocation, Arlington, Virginia]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Arlington, Virginia Context triple: [National Science Foundation, previousHeadquartersLocation, Arlington, Virginia]
-
A.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
B.
Belmont, Massachusetts, United States
Belmont, Massachusetts, United States, is a suburban town just west of Boston known for its affluent residential character and strong public schools.
-
C.
Everett, Massachusetts, United States
Everett, Massachusetts, United States, is a small industrial city just north of Boston known historically for its manufacturing base and as the birthplace of influential engineer and science administrator Vannevar Bush.
-
D.
Cambridge, Massachusetts
Cambridge, Massachusetts is a historic and academically renowned city just outside Boston, best known for being home to world-leading universities and research institutions.
-
E.
New York City
New York City is the largest city in the United States, a global center of finance, culture, media, and technology.
- 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: Arlington, Virginia Triple: [National Science Foundation, previousHeadquartersLocation, Arlington, Virginia]
Generated description
Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Arlington, Virginia Target entity description: Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
-
A.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
B.
Belmont, Massachusetts, United States
Belmont, Massachusetts, United States, is a suburban town just west of Boston known for its affluent residential character and strong public schools.
-
C.
Everett, Massachusetts, United States
Everett, Massachusetts, United States, is a small industrial city just north of Boston known historically for its manufacturing base and as the birthplace of influential engineer and science administrator Vannevar Bush.
-
D.
Cambridge, Massachusetts
Cambridge, Massachusetts is a historic and academically renowned city just outside Boston, best known for being home to world-leading universities and research institutions.
-
E.
New York City
New York City is the largest city in the United States, a global center of finance, culture, media, and technology.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: previousHeadquartersLocation Context triple: [National Science Foundation, previousHeadquartersLocation, Arlington, Virginia]
-
A.
headquartersLocation
chosen
Indicates the place where an organization’s main administrative center or principal office is located.
-
B.
placeOfBirth
Indicates the location where a person or other entity was born.
-
C.
formerName
Indicates that an entity was previously known by a different name in the past.
-
D.
foundedOn
Indicates that an entity was established, created, or brought into existence on a specific date or point in time.
-
E.
locatedIn
Indicates that one entity exists or is situated within the spatial, administrative, or conceptual boundaries of another entity.
- F. None of above.
Provenance (6 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_69a22cde80848190b62c5f556b4d62ba |
completed | Feb. 27, 2026, 11:46 p.m. |
| NER | Named-entity recognition | batch_69a2316d88a08190b2e03041674b5674 |
completed | Feb. 28, 2026, 12:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a23296d6a881908dbf9acacf9fb94f |
completed | Feb. 28, 2026, 12:11 a.m. |
| NEDg | Description generation | batch_69a23385a92c81909dc72e5193d32d36 |
completed | Feb. 28, 2026, 12:15 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a234b8f2648190881fdeb4a864617f |
completed | Feb. 28, 2026, 12:20 a.m. |
| PD | Predicate disambiguation | batch_69a230c3ee4481908216244c38aa8aef |
completed | Feb. 28, 2026, 12:03 a.m. |
Created at: Feb. 27, 2026, 11:48 p.m.