Triple

T1290260

Position	Surface form	Disambiguated ID	Type / Status
Subject	BIBFRAME	`E27529`	entity
Predicate	maintainedBy	`P86`	FINISHED
Object	Library of Congress Network Development and MARC Standards Office The Library of Congress Network Development and MARC Standards Office is the unit of the Library of Congress responsible for developing and maintaining key bibliographic standards and networked library data models used worldwide.	`E148348`	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: Library of Congress Network Development and MARC Standards Office | Statement: [BIBFRAME, maintainedBy, Library of Congress Network Development and MARC Standards Office]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Library of Congress Network Development and MARC Standards Office
Context triple: [BIBFRAME, maintainedBy, Library of Congress Network Development and MARC Standards Office]

A. Library of Congress Acquisitions and Bibliographic Access Directorate
The Library of Congress Acquisitions and Bibliographic Access Directorate is the division of the Library of Congress responsible for acquiring materials and creating the cataloging and bibliographic records that support access to the library’s collections.
B. Library of Congress Policy and Standards Division
The Library of Congress Policy and Standards Division is the unit within the Library of Congress responsible for developing, maintaining, and overseeing cataloging policies, standards, and classification systems used by libraries worldwide.
C. MARC standards
MARC standards are a set of bibliographic data formats used worldwide to structure and exchange library catalog information in a consistent, machine-readable way.
D. MARC
MARC is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and other regional destinations.
E. Library of Congress technology organizations
Library of Congress technology organizations are the internal technical and digital service units that develop, manage, and support the information systems, IT infrastructure, and digital initiatives of the Library of Congress.
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: Library of Congress Network Development and MARC Standards Office
Triple: [BIBFRAME, maintainedBy, Library of Congress Network Development and MARC Standards Office]

Generated description

The Library of Congress Network Development and MARC Standards Office is the unit of the Library of Congress responsible for developing and maintaining key bibliographic standards and networked library data models used worldwide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Library of Congress Network Development and MARC Standards Office
Target entity description: The Library of Congress Network Development and MARC Standards Office is the unit of the Library of Congress responsible for developing and maintaining key bibliographic standards and networked library data models used worldwide.

A. Library of Congress Acquisitions and Bibliographic Access Directorate
The Library of Congress Acquisitions and Bibliographic Access Directorate is the division of the Library of Congress responsible for acquiring materials and creating the cataloging and bibliographic records that support access to the library’s collections.
B. Library of Congress Policy and Standards Division
The Library of Congress Policy and Standards Division is the unit within the Library of Congress responsible for developing, maintaining, and overseeing cataloging policies, standards, and classification systems used by libraries worldwide.
C. MARC standards
MARC standards are a set of bibliographic data formats used worldwide to structure and exchange library catalog information in a consistent, machine-readable way.
D. MARC
MARC is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and other regional destinations.
E. Library of Congress technology organizations
Library of Congress technology organizations are the internal technical and digital service units that develop, manage, and support the information systems, IT infrastructure, and digital initiatives of the Library of Congress.
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_69a496d4ec448190ad653b2590c46711`	completed	March 1, 2026, 7:43 p.m.
NER	Named-entity recognition	`batch_69a4c0d6af908190ade9c481cc6f0ad8`	completed	March 1, 2026, 10:42 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69acacbc7cd48190b06398486e5b30ba`	completed	March 7, 2026, 10:54 p.m.
NEDg	Description generation	`batch_69acad4a7cd48190b295dbd1e5327a18`	completed	March 7, 2026, 10:57 p.m.
NED2	Entity disambiguation (via description)	`batch_69acadba2e54819088a04675493fcbbb`	completed	March 7, 2026, 10:59 p.m.

Created at: March 1, 2026, 7:51 p.m.