Towards Cost-based Optimization for Data-intensive Web Service Computations

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Towards Cost-based Optimization for Data-intensive Web Service Computations

Nicolaas Ruberg, Gabriela Ruberg, Ioana Manolescu

To cite this version:

Nicolaas Ruberg, Gabriela Ruberg, Ioana Manolescu. Towards Cost-based Optimization for Data-

intensive Web Service Computations. [Research Report] RR-5222, INRIA. 2004, pp.33. �inria-

00070772�

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a p p o r t

t e c h n i q u e

Thème COM

INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE

Towards Cost-based Optimization for Data-intensive Web Service Computations

Nicolaas Ruberg — Gabriela Ruberg — Ioana Manolescu

N° 5222

June 2004

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(11)

zC)r zC)r#&4G # 43&.,0

"coffee"

crop

agent ROI

details

"A1" ...

agent agent

A1 A2

"coffee"

crop

agent agent

A1 A2

"coffee"

crop

agent ROI

details

"A2" ...

agent agent

A1 A2

"coffee"

crop

a

b

sc2

"coffee"

"getROI"

BNDES.getAgents("PRONAF") sc1

report

report report

A1.getROI("coffee")A2.getROI("coffee")

sc3 sc4

sc2

"coffee"

"getROI"

c

d

sc2

"coffee"

"getROI"

report

BNDES.getAgents("PRONAF") sc1

sc1

BNDES.getAgents("PRONAF")

sc1

BNDES.getAgents("PRONAF") sc2

"getROI"

"coffee"

sc4 sc3

ANY.queryService("insert service calls")

BACEN.queryService("insert service calls")

A1.getROI("coffee") A2.getROI("coffee") BACEN.queryService("insert service calls")

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(12)

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(13)

zC)r zC)r#&4G # 43&.,0

1 2

3 5 7

8 6 4

:call getAgents("Pronaf") :return getAgents("Pronaf") :call getROI("coffee") :return getROI("coffee")

1 2 : return getAgents("Pronaf") 4 : call getROI("coffee") 5 : return getROI("coffee")

: call getAgents("Pronaf") 3 : call getROI(getAgents("Pronaf"), "coffee")

10 : return getROI(getAgents("Pronaf"),coffee) 8

6 : call getROI("coffee") 9

7 : return getROI("coffee") 4

2 6

8 : return getROI("Pronaf", "coffee")

5 7

3 : return getROI("coffee") Agentn

Agent2 Agent1

BACEN

BNDES

1 2 3

5 6 7 8 4

Centralized

1 BACEN

BNDES

3 6 7 ⁸

9 10

4 5

1 2

Agent1

Agent2 Agentn BACEN

BNDES

1 8

2 4 5

6 Agent1 Agent2

7 3

: call getROI("coffee")

: call getROI(getAgents("Pronaf"), "coffee")

Hybrid Delegation

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