LICS
2012
IEEE
12 years 1 months ago
2012
IEEE
—We show that if a finite relational structure has a near unanimity polymorphism, then the constraint satisfaction problem with that structure as its fixed template has bounded...
DM
2010
13 years 11 months ago
2010
Jarik Nesetril suggested to the first author the investigation of notions of homogeneity for relational structures, where "isomorphism" is replaced by "homomorphism...
LICS
2006
IEEE
14 years 5 months ago
2006
IEEE
Logical properties of iterations of relational structures are studied and these decidability results are applied to the model checking of a powerful extension of pushdown systems....
MFCS
2007
Springer
14 years 5 months ago
2007
Springer
Abstract. We introduce a new general polynomial-time constructionthe fibre construction- which reduces any constraint satisfaction problem CSP(H) to the constraint satisfaction pr...
ICML
2001
IEEE
15 years 6 hour ago
2001
IEEE
Most real-world data is stored in relational form. In contrast, most statistical learning methods work with "flat" data representations, forcing us to convert our data i...