DPIF

AcronymDefinition
DPIFDepartment of Primary Industries and Fisheries (Tasmania)
DPIFDansk Politi-Idræts Forbund
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In section 2 a rationale for decentralized collaborative reasoning in workflows is provided and the basic features of the DPIF are introduced.
The DPIF is a service-oriented approach (SOA) which supports efficient composition of very heterogeneous processing services provided by different experts and automated reasoning processes.
In the following discussion we focus on (i) principles for the creation of valid workflows based on the local processing capabilities of different agents and (ii) describe the basic elements of the DPIF architecture.
A basic workflow element in the DPIF is a local process.
In other words, a workflow in a DPIF system corresponds to a full composition of functions, in which each variable replaced by a function corresponds to a required service.
It is important to bear in mind that in DPIF no explicit function composition takes place in any of the agents.
Therefore, an integral part of the DPIF is a cycle detection mechanism based on the cycle detection principles introduced in [13].
In order to effect cycle-free workflows, each DPIF agent must be aware of the outputs of other agents that influence the inputs of this agent.
In the DPIF, communication links between local processes in agents are facilitated firstly using service discovery: whenever an agent supplying some service (we will call this service the parent service, and the agent implementing it the parent, or manager agent) in a workflow requires data relating to some other service (we will call this required service the child service, and the agent implementing it the child, or contractor agent), a communication link needs to be established between the parent agent and the child agent.
We have developed a conceptual framework for service negotiation that will be used in the DPIF [21].
The default negotiation in DPIF is an implementation of CNET [24].
The increasingly significant economic benefit that mangoes bring to the Territory is the reason my government supports the collaborative approach the DPIF takes with industry on research, development and extension programs to ensure the continuing growth of the sector, Minister Westra van Holthe said.