Sciweavers

59 search results - page 7 / 12
» Containment of conjunctive queries on annotated relations
Sort
View
CIKM
2006
Springer
13 years 11 months ago
Annotation propagation revisited for key preserving views
This paper revisits the analysis of annotation propagation from source databases to views defined in terms of conjunctive (SPJ) queries. Given a source database D, an SPJ query Q,...
Gao Cong, Wenfei Fan, Floris Geerts
ADBIS
2004
Springer
193views Database» more  ADBIS 2004»
13 years 11 months ago
Quantifier-Elimination for the First-Order Theory of Boolean Algebras with Linear Cardinality Constraints
Abstract. We present for the first-order theory of atomic Boolean algebras of sets with linear cardinality constraints a quantifier elimination algorithm. In the case of atomic Boo...
Peter Z. Revesz
ESWS
2008
Springer
13 years 9 months ago
Contextual and Metadata-based Approach for the Semantic Annotation of Heterogeneous Documents
We present SHIRI-Annot an automatic ontology-driven and unsupervised approach for the semantic annotation of documents which contain well structured parts and not well structured o...
Mouhamadou Thiam, Nathalie Pernelle, Nacéra...
ICDT
2010
ACM
211views Database» more  ICDT 2010»
14 years 4 months ago
Probabilistic Data Exchange
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
Ronald Fagin, Benny Kimelfeld, Phokion Kolaitis
NAR
2002
98views more  NAR 2002»
13 years 7 months ago
Recent improvements to the SMART domain-based sequence annotation resource
SMART (Simple Modular Architecture Research Tool, http://smart.embl-heidelberg.de) is a web-based resource used for the annotation of protein domains and the analysis of domain ar...
Ivica Letunic, Leo Goodstadt, Nicholas J. Dickens,...