Job Entry Subsystem 3
E754356
Job Entry Subsystem 3 (JES3) is an IBM mainframe component for managing and scheduling batch jobs, spooling, and input/output operations in z/OS environments.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Job Entry Subsystem 3 canonical | 2 |
| Remote Spooling Communications Subsystem | 2 |
| IBM mainframe job entry subsystem | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8728637 — 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: Job Entry Subsystem 3 Context triple: [JES3, nameExpansion, Job Entry Subsystem 3]
-
A.
Job Entry Subsystem 2
Job Entry Subsystem 2 (JES2) is an IBM mainframe component of the z/OS operating system that manages the input, scheduling, and output of batch jobs and spooled data.
-
B.
PeopleSoft Process Scheduler
PeopleSoft Process Scheduler is a server-side component of the PeopleSoft platform that manages, schedules, and executes batch processes and reports such as SQRs, Application Engine programs, and COBOL jobs.
-
C.
z/OS Workload Manager
z/OS Workload Manager is an IBM mainframe component that dynamically manages system resources to meet performance goals and service levels for workloads running on the z/OS operating system.
-
D.
CICS
CICS is the College of Information and Computer Sciences at the University of Massachusetts Amherst, known for its research and education in computer science and related fields.
-
E.
CICS Transaction Server
CICS Transaction Server is IBM’s high-performance transaction processing platform used to run large-scale, mission-critical applications on mainframe systems.
- 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: Job Entry Subsystem 3 Target entity description: Job Entry Subsystem 3 (JES3) is an IBM mainframe component for managing and scheduling batch jobs, spooling, and input/output operations in z/OS environments.
-
A.
Job Entry Subsystem 2
Job Entry Subsystem 2 (JES2) is an IBM mainframe component of the z/OS operating system that manages the input, scheduling, and output of batch jobs and spooled data.
-
B.
PeopleSoft Process Scheduler
PeopleSoft Process Scheduler is a server-side component of the PeopleSoft platform that manages, schedules, and executes batch processes and reports such as SQRs, Application Engine programs, and COBOL jobs.
-
C.
z/OS Workload Manager
z/OS Workload Manager is an IBM mainframe component that dynamically manages system resources to meet performance goals and service levels for workloads running on the z/OS operating system.
-
D.
CICS
CICS is the College of Information and Computer Sciences at the University of Massachusetts Amherst, known for its research and education in computer science and related fields.
-
E.
CICS Transaction Server
CICS Transaction Server is IBM’s high-performance transaction processing platform used to run large-scale, mission-critical applications on mainframe systems.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
IBM mainframe subsystem
ⓘ
job entry subsystem ⓘ software component ⓘ |
| alternativeTo | Job Entry Subsystem 2 ⓘ |
| category | mainframe job management software ⓘ |
| concurrentWith | Job Entry Subsystem 2 ⓘ |
| configurationControlledBy | JES3 initialization statements ⓘ |
| controls |
device allocation for jobs
ⓘ
job execution ⓘ job output processing ⓘ job submission ⓘ |
| developedBy | IBM ⓘ |
| documentedIn | IBM JES3 manuals ⓘ |
| hasAbbreviation | JES3 ⓘ |
| hasComponent |
JES3 address spaces
ⓘ
JES3 main task ⓘ job queue ⓘ output queue ⓘ spool data sets ⓘ |
| introducedBy | IBM for large and complex installations ⓘ |
| languageUsedWith |
JCL
ⓘ
linked to:
Job Control Language
|
| monitoredBy | z/OS system programmers ⓘ |
| operatesOnPlatform | IBM mainframe ⓘ |
| optimizedFor |
centralized control of multiple systems
ⓘ
high-volume batch workloads ⓘ |
| partOf |
MVS job management architecture
ⓘ
z/OS operating system environment ⓘ
linked to:
z/OS
|
| runsOn |
MVS
ⓘ
OS/390 ⓘ z/OS ⓘ |
| supportsEnvironment |
multi-access spool (MAS) configuration
ⓘ
multi-processor complexes ⓘ shared DASD configurations ⓘ |
| supportsFunction |
batch job management
ⓘ
centralized queue management ⓘ input/output management ⓘ job class management ⓘ job networking ⓘ job restart ⓘ job scheduling ⓘ multi-system job management ⓘ resource control ⓘ spooling ⓘ workload balancing across systems ⓘ |
| supportsInterface |
JCL (Job Control Language)
ⓘ
linked to:
Job Control Language
|
| usesConcept |
initiators
ⓘ
job classes ⓘ job priorities ⓘ spool volumes ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Job Entry Subsystem 3 Description of subject: Job Entry Subsystem 3 (JES3) is an IBM mainframe component for managing and scheduling batch jobs, spooling, and input/output operations in z/OS environments.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Job Entry Subsystem 3