DICOM Upper Layer Protocol

E732155

DICOM protocol component network communication protocol

DICOM Upper Layer Protocol is a network communication protocol that enables standardized exchange of medical imaging data between DICOM-compliant systems over TCP/IP.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (5)

Label	Occurrences
DICOM Upper Layer Protocol canonical	4
DICOM Upper Layer Service	3
DICOM PS3.8 Network Communication Support for Message Exchange	2
DICOM Upper Layer Service for TCP/IP	1
DICOM association	1

How this entity was disambiguated

This entity first appeared as the object of triple T8418706 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

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

Target entity: DICOM Upper Layer Protocol
Context triple: [DICOM Application Entity, communicatesUsing, DICOM Upper Layer Protocol]

A. DICOM Application Entity
A DICOM Application Entity is a networked software or device component in medical imaging systems that sends, receives, and processes DICOM messages and services for exchanging clinical data.
B. DICOM standard
The DICOM standard is a widely used international specification for handling, storing, transmitting, and displaying medical imaging information and related data.
C. DICOM Part 10: Media Storage and File Format
DICOM Part 10: Media Storage and File Format is the section of the DICOM standard that defines how medical images and related data are encapsulated, structured, and stored in files for exchange and archiving across different systems.
D. DICOM Unique Identifier (UID)
DICOM Unique Identifier (UID) is a globally unique numeric string used in medical imaging to unambiguously identify objects such as studies, series, images, and other DICOM entities.
E. DICOMweb
DICOMweb is a web-based standard for accessing, storing, and exchanging medical imaging data over HTTP using RESTful services.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

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

Target entity: DICOM Upper Layer Protocol
Target entity description: DICOM Upper Layer Protocol is a network communication protocol that enables standardized exchange of medical imaging data between DICOM-compliant systems over TCP/IP.

A. DICOM Application Entity
A DICOM Application Entity is a networked software or device component in medical imaging systems that sends, receives, and processes DICOM messages and services for exchanging clinical data.
B. DICOM standard
The DICOM standard is a widely used international specification for handling, storing, transmitting, and displaying medical imaging information and related data.
C. DICOM Part 10: Media Storage and File Format
DICOM Part 10: Media Storage and File Format is the section of the DICOM standard that defines how medical images and related data are encapsulated, structured, and stored in files for exchange and archiving across different systems.
D. DICOM Unique Identifier (UID)
DICOM Unique Identifier (UID) is a globally unique numeric string used in medical imaging to unambiguously identify objects such as studies, series, images, and other DICOM entities.
E. DICOMweb
DICOMweb is a web-based standard for accessing, storing, and exchanging medical imaging data over HTTP using RESTful services.
F. None of above. chosen

Statements (51)

Predicate	Object
instanceOf	DICOM protocol component ⓘ network communication protocol ⓘ
abbreviation	UL ⓘ
conformsTo	OSI upper layer service concepts ⓘ
dataUnit	PDU ⓘ
defines	A-ABORT primitive ⓘ A-ASSOCIATE accept primitive ⓘ A-ASSOCIATE reject primitive ⓘ A-ASSOCIATE request primitive ⓘ A-RELEASE request primitive ⓘ A-RELEASE response primitive ⓘ P-ABORT service for abnormal termination ⓘ P-DATA service for data transfer ⓘ association establishment between DICOM applications ⓘ association release between DICOM applications ⓘ
domain	medical imaging informatics ⓘ
ensures	interoperability between heterogeneous imaging devices ⓘ reliable ordered delivery of DICOM messages ⓘ
notResponsibleFor	application-level DICOM command semantics ⓘ
operatesAtLayer	application layer ⓘ
partOf	DICOM standard ⓘ
PDUType	A-ABORT PDU ⓘ A-ASSOCIATE-AC PDU ⓘ linked to: Association Control Service Element A-ASSOCIATE-RJ PDU ⓘ linked to: Association Control Service Element A-ASSOCIATE-RQ PDU ⓘ A-RELEASE-RP PDU ⓘ A-RELEASE-RQ PDU ⓘ P-DATA-TF PDU ⓘ
relationshipTo	carries DICOM Message Service Element messages ⓘ sits above TCP in the protocol stack ⓘ
requires	establishment of a TCP connection before association ⓘ
runsOn	TCP/IP ⓘ
scope	network communication between DICOM Application Entities ⓘ
specifiedIn	DICOM PS3.8 ⓘ
standardizedBy	American College of Radiology ⓘ National Electrical Manufacturers Association ⓘ
supports	multiple simultaneous presentation contexts ⓘ negotiation of abstract syntaxes ⓘ negotiation of presentation contexts ⓘ negotiation of transfer syntaxes ⓘ
transportProtocol	TCP ⓘ linked to: Transmission Control Protocol
typicalPort	104 ⓘ
usedBy	DICOM Service Class Provider ⓘ linked to: DICOM Application Entity DICOM Service Class User ⓘ linked to: DICOM Application Entity
usedFor	communication between DICOM-compliant systems ⓘ exchange of medical imaging data ⓘ
usedIn	modality-to-PACS communication ⓘ picture archiving and communication systems ⓘ radiology information systems ⓘ teleradiology systems ⓘ
uses	Presentation Data Units ⓘ

How these facts were elicited

Referenced by (11)

Full triples — surface form annotated when it differs from this entity's canonical label.

DICOM Application Entity → communicatesUsing → DICOM Upper Layer Protocol ⓘ

DICOM Application Entity → describedInPart → DICOM PS3.8 Network Communication Support for Message Exchange ⓘ