Journal: Ricerca Operativa

Found 119 papers in total
S-Curves and completion times of project work-packs
1992,
S-curves and completion times of project work-packs are described both in preliminary...
Shop problems with two machines and Time Lags
1993,
The paper considers Job-Shop and Flow-Shop scheduling problems with two machines, no...
A heuristic algorithm for the Asymmetric Capacitated Vehicle Routing Problem
1993,
The paper considers the Asymmetric Capacitated Vehicle Routing Problem (ACVRP), a...
A multicriteria procedure for a closed-end selection of candidates
1993,
A multidimensional segmentation problem with predetermination of the segment sizes is...
A multicriteria sorting method for suppliers evaluation
1993,
The paper presents an application of the multicriteria methodology in the vendor...
Building a utility function based on preferences between lotteries
1992,
A method for building a utility function based on preferences among lotteries is...
Three algorithms for the Travelling Salesman Problem based on a clustering technique
1993,
This paper presents some direct and iterative heuristic methods for the geometric...
A diachronic network model for dynamic assignment to the intercity transit
1993,
In this work the problem of intercity transit assignment, characterized by low...
On some ABS methods for the computation of the pseudoinverse
1992,
The authors consider methods M2 and M3 proposed by Spedicato and Bodon for computing...
Numerical behaviour of the implicit QR algorithm in the ABS class for linear least squares
1992,
Three different versions of the implicit QR algorithm in the ABS class of methods...
Convergence of the Bi-Reference Procedure in multiple criteria decision making
1993,
The paper is focused on the formal analysis of convergence of the Bi-Reference...
Comparison on fuzzy sets: A new semantic distance
1993,
The main features of complex impact systems are imprecision (different levels of...
Heuristic methods for the problem of quadratic transportion
1992,
Many indices have been proposed in order to measure the connection between two...
A class of sparse symmetric Quasi-Newton updates
1993,
A class of sparse symmetric matrices satisfying the Quasi-Newton equation is derived....
The auction algorithm for assignment and shortest path problems
1992,
The auction algorithm is an intuitive method for solving the classical assignment...
Experimental effectiveness of Auction Algorithms for the determination of shortest paths
1993,
Recently many Auction Algorithms have been proposed to find shortest paths in directed...
Procedures for biological water quality assessment using macroinvertebrates
1992,
The purpose of this study is the implementation of two computer programs capable of...
A survey on non-conventional preference modeling
1992,
In the paper a survey on non-conventional preference modeling is presented. Some...
S curves and completion time of work-pack
1992,
After referring to the rotation of levels of planning in project management the...
Strongly polynomial Auction algorithms for shortest path
1991,
An Auction algorithm for shortest paths was recently proposed by Bertsekas. Under the...
Neural nets model for combinatorial optimization
1992,
Neural nets are a strongly inderdisciplinary research field. Therefore it seems useful...
A modified fuzzy programming approach to vector maximum and minimum problem
1992,
This paper presents a modified fuzzy programming approach to linear vector maximum and...
Basic ideas of Tabu Search with an application to Traveling Salesman and Quadratic Assignment
1992,
A general presentation of Tabu Search is given with emphasis on parallelization;...
Stability of adaptive multistage queues
1991,
This paper considers the queue that arises when customers arriving at a Poisson stream...
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