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EVOW
2008
Springer
15 years 9 months ago
A Study of Some Implications of the No Free Lunch Theorem
We introduce the concept of "minimal" search algorithm for a set of functions to optimize. We investigate the structure of closed under permutation (c.u.p.) sets and we c...
Andrea Valsecchi, Leonardo Vanneschi
CORR
2011
Springer
176views Education» more  CORR 2011»
15 years 2 months ago
Inner approximations for polynomial matrix inequalities and robust stability regions
Following a polynomial approach, many robust fixed-order controller design problems can be formulated as optimization problems whose set of feasible solutions is modelled by para...
Didier Henrion, Jean B. Lasserre
ESA
2009
Springer
92views Algorithms» more  ESA 2009»
16 years 1 months ago
Minimizing Movement: Fixed-Parameter Tractability
Abstract. We study an extensive class of movement minimization problems which arise from many practical scenarios but so far have little theoretical study. In general, these proble...
Erik D. Demaine, MohammadTaghi Hajiaghayi, D&aacut...
SIGMOD
1996
ACM
131views Database» more  SIGMOD 1996»
15 years 11 months ago
Materialized View Maintenance and Integrity Constraint Checking: Trading Space for Time
We investigate the problem of incremental maintenance of an SQL view in the face of database updates, and show that it is possible to reduce the total time cost of view maintenanc...
Kenneth A. Ross, Divesh Srivastava, S. Sudarshan
SEMWEB
2009
Springer
16 years 1 months ago
Graph-Based Ontology Construction from Heterogenous Evidences
Abstract. Ontologies are tools for describing and structuring knowledge, with many applications in searching and analyzing complex knowledge bases. Since building them manually is ...
Christoph Böhm, Philip Groth, Ulf Leser