Sciweavers

523 search results - page 51 / 105
» Hierarchical Mixture Models for Nested Data Structures
Sort
View
153
Voted
ICDT
2012
ACM
226views Database» more  ICDT 2012»
13 years 5 months ago
Factorised representations of query results: size bounds and readability
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...
Dan Olteanu, Jakub Zavodny
156
Voted
JODS
2006
131views Data Mining» more  JODS 2006»
15 years 3 months ago
Integrating and Exchanging XML Data Using Ontologies
While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the prob...
Huiyong Xiao, Isabel F. Cruz
213
Voted
SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
16 years 3 months ago
Efficient provenance storage
Scientific workflow systems are increasingly used to automate complex data analyses, largely due to their benefits over traditional approaches for workflow design, optimization, a...
Adriane Chapman, H. V. Jagadish, Prakash Ramanan
104
Voted
ESOP
2004
Springer
15 years 8 months ago
A Semantic Framework for Designer Transactions
A transaction defines a locus of computation that satisfies important concurrency and failure properties; these so-called ACID properties provide strong serialization guarantees ...
Jan Vitek, Suresh Jagannathan, Adam Welc, Antony L...
124
Voted
BMCBI
2007
128views more  BMCBI 2007»
15 years 3 months ago
Model order selection for bio-molecular data clustering
Background: Cluster analysis has been widely applied for investigating structure in bio-molecular data. A drawback of most clustering algorithms is that they cannot automatically ...
Alberto Bertoni, Giorgio Valentini