TY - GEN

T1 - Hybrid approach of constraint programming and integer programming for solving resource-constrained project-scheduling problems

AU - Zhao, Cheng

AU - Murata, Tomohiro

PY - 2012/1/1

Y1 - 2012/1/1

N2 - Resource-constrained project scheduling problem (RCPSP) is a well known NP hard problem. This paper proposes a hybrid approach of constraint programming (CP) and integer programming (IP) which could solve RCPSP with ideal efficiency and quality. Constraint propagation is key element of constraint programming and is widely used in cumulative resource problem (CRP). CRP can be taken as a relaxed problem of RCPSP. This paper discussed how to eliminate the resource constraint, and transform RCPSP to project scheduling problem (PSP) so that the problem will became easier. Experiment shows this hybrid approach has certain efficient advantage compared with traditional CP method.

AB - Resource-constrained project scheduling problem (RCPSP) is a well known NP hard problem. This paper proposes a hybrid approach of constraint programming (CP) and integer programming (IP) which could solve RCPSP with ideal efficiency and quality. Constraint propagation is key element of constraint programming and is widely used in cumulative resource problem (CRP). CRP can be taken as a relaxed problem of RCPSP. This paper discussed how to eliminate the resource constraint, and transform RCPSP to project scheduling problem (PSP) so that the problem will became easier. Experiment shows this hybrid approach has certain efficient advantage compared with traditional CP method.

KW - Constraint programming (CP)

KW - Cumulative resource problem (CRP)

KW - Integer programming (IP)

KW - Project scheduling problem (PSP)

KW - Resource-constrained project scheduling problems (RCPSP)

UR - http://www.scopus.com/inward/record.url?scp=84867460474&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84867460474&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:84867460474

SN - 9789881925190

T3 - Lecture Notes in Engineering and Computer Science

SP - 1574

EP - 1577

BT - International MultiConference of Engineers and Computer Scientists, IMECS 2012

PB - Newswood Limited

T2 - 2012 International MultiConference of Engineers and Computer Scientists, IMECS 2012

Y2 - 14 March 2012 through 16 March 2012

ER -