Abstract. This paper introduces a new algorithm, based on the concept of ejection chains, to effectively target vehicle routing problems with time window constraints (VRPTW). Ejec...
Symmetry in a Constraint Satisfaction Problem can cause wasted search, which can be avoided by adding constraints to the CSP to exclude symmetric assignments or by modifying the s...
—Traditional search systems are usually based on keywords, a very simple and convenient mechanism to express a need for information. This is the most extended way of searching th...
We present a fast compression and decompression technique for natural language texts. The novelty is that the exact search can be done on the compressed text directly, using any k...
Edleno Silva de Moura, Gonzalo Navarro, Nivio Zivi...
Information retrieval emerged as independent research area from traditional database management system more than a decade ago. This was driven by the increasing functional require...