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» Fixed-Point Query Languages for Linear Constraint Databases
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EDBT
2009
ACM
144views Database» more  EDBT 2009»
13 years 11 months ago
Efficient maintenance techniques for views over active documents
Many Web applications are based on dynamic interactions between Web components exchanging flows of information. Such a situation arises for instance in mashup systems or when moni...
Serge Abiteboul, Pierre Bourhis, Bogdan Marinoiu
JCB
2007
136views more  JCB 2007»
13 years 7 months ago
A Structure-Based Flexible Search Method for Motifs in RNA
The discovery of non-coding RNA (ncRNA) motifs and their role in regulating gene expression has recently attracted considerable attention. The goal is to discover these motifs in ...
Isana Veksler-Lublinsky, Michal Ziv-Ukelson, Danny...
PODS
2006
ACM
98views Database» more  PODS 2006»
14 years 7 months ago
Two-variable logic on data trees and XML reasoning
d Abstract] Mikolaj Boja?nczyk Faculty of Mathematics, Informatics and Mechanics Warsaw University Poland Claire David LIAFA Universit?e Paris 7 France Anca Muscholl LIAFA Universi...
Mikolaj Bojanczyk, Claire David, Anca Muscholl, Th...
DEXA
1995
Springer
126views Database» more  DEXA 1995»
13 years 11 months ago
A Heuristic Approach for Optimization of Path Expressions
Abstract. The object-oriented database management systems store references to objects (implicit joins, precomputed joins), and use path expressions in query languages. One way of e...
Cetin Ozkan, Asuman Dogac, Cem Evrendilek
EDBT
2008
ACM
137views Database» more  EDBT 2008»
14 years 7 months ago
Data exchange in the presence of arithmetic comparisons
Data exchange is the problem of transforming data structured under a schema (called source) into data structured under a different schema (called target). The emphasis of data exc...
Foto N. Afrati, Chen Li, Vassia Pavlaki