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Article
Emergency relief routing models for injured victims considering equity and priority
In humanitarian aid, emergency relief routing optimization needs to consider equity and priority issues. Different from the general path selection optimization, this paper builds two models differentiated by c...
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Article
General Floorplans with L/T-Shaped Blocks Using Corner Block List
With the recent advent of deep submicron technology and new packing schemes, the components in the integrated circuit are often not rectangular. On the basis of the representation of Corner Block List (CBL), w...
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Chapter and Conference Paper
Multi-labeled Graph Matching – An algorithm Model for Schema Matching
Schema matching is the task of finding semantic correspondences between elements of two schemas, which plays a key role in many database applications. In this paper, we treat the schema matching problem as a c...
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Chapter and Conference Paper
Schema Homomorphism – An Algebraic Framework for Schema Matching
A formal framework for SMP is important because it facilitates the building of algorithm model and the evaluation of algorithms. First, we propose a formal definition of schema matching that is named multivale...
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Article
Fast evaluation of Bounded Slice-line Grid
Bounded Slice-line Grid (BSG) is an elegant representation of block placement, because it is very intuitionistic and has the advantage of handling various placement constraints. However, BSG has attracted litt...
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Article
New meta-heuristic for combinatorial optimization problems: Intersection based scaling
Combinatorial optimization problems are found in many application fields such as computer science, engineering and economy. In this paper, a new efficient meta-heuristic, Intersection-Based Scaling (IBS for ab...
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Article
Minimizing ADMs on WDM directed fiber trees
This paper proposes a polynomial-time algorithm for Minimum WDM/SONET Add/Drop Multiplexer Problem (MADM) on WDM directed fiber trees whether or not wavelength converters are used. It runs in timeO(m2n), wheren a...
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Article
CNB: A critical-network-based timing optimization method for standard cell global routing
A novel method, named critical-network-based (CNB) for timing optimization in global routing is presented in this paper. The essence of this method is different from that of the typical existing ones, named ne...
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Article
Deterministic VLSI block placement algorithm using Less Flexibility First principle
In this paper, a simple while effective deterministic algorithm for solving the VLSI block placement problem is proposed considering the packing area and interconnect wiring simultaneously. The algorithm is ba...
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Article
SSTT: Efficient local search for GSI global routing
In this paper, a novel global routing algorithm is presented for congestion optimization based on efficient local search, named SSTT (search space traversing technology). This method manages to traverse the wh...
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Article
Performance Analysis and Improvement for Some Linear On-Line Bin-Packing Algorithms
The study on one-dimensional bin packing problem may bring about many important applications such as multiprocessor scheduling, resource allocating, real-world planning and packing. Harmonic algorithms (includ...
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Article
An optimum placement search algorithm based on extended Corner Block List
A non-slicing approach, Corner Block List (CBL), has been presented recently. Since CBL only can represent floorplans without empty rooms, the algorithm based on CBL cannot get the optimum placement. In this p...
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Chapter
VERIS: An Efficient Model Checker for Synchronous VHDL Designs
In this paper a solution for property verification of synchronous VHDL designs is introduced, and an efficient symbolic model checker is implemented. The model checker applies the feature of synchronous circui...
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Article
An end-to-end QoS control model for enhanced internet
This paper describes an end-to-end QoS (Quality of Services) control model for distributed multimedia computing on enhanced Internet, and gives the design and implementation of this model including hosts and r...
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Chapter
Algorithms for the Satisfiability (SAT) Problem
An instance of the satisfiability (SAT) problem is a Boolean formula that has three components [102, 191]:
A set of n variables: x 1, x ...
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Article
On optimizing the satisfiability (SAT) problem
The satisfiability (SAT) problem is a basic problem in computing theory. Presently, an active area of research on SAT problem is to design efficient optimization algorithms for finding a solution for a satisfi...
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Chapter
Multispace Search for Combinatorial Optimization
Search problems are ubiquitous. The search process is an adaptive process of cumulative performance selection. The structure of a given problem and the environment impose constraints. With the given constraint...
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Chapter and Conference Paper
Multispace search: A new optimization approach
A traditional search algorithm optimizes by changing values in the value space, it is difficult for a value search algorithm to handle the pathological phenomena occurred in many combinatorial optimization pro...
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Chapter and Conference Paper
Average time complexity of the SAT 1.2 algorithm
In this paper, we give an efficient algorithm, the SAT1.2 algorithm, for the SAT problem. For randomly generated formulas with n clauses, m variables, and l literals per clause, the average run time of the SAT1.2...
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Chapter
Optimization Algorithms for the Satisfiability (SAT) Problem
The satisfiability problem (SAT) is a fundamental problem in mathematical logic and computing theory. Methods to solve the satisfiability problem play an important role in the development of computing theory a...