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» Managing Expressions as Data in Relational Database Systems
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EDBT
2008
ACM
135views Database» more  EDBT 2008»
16 years 7 months ago
Minimizing latency and memory in DSMS: a unified approach to quasi-optimal scheduling
Data Stream Management Systems (DSMSs) must support optimized execution scheduling of multiple continuous queries on massive, and frequently bursty, data streams. Previous approac...
Yijian Bai, Carlo Zaniolo
ICDE
2009
IEEE
122views Database» more  ICDE 2009»
16 years 8 months ago
Universal Resource Lifecycle Management
This paper presents a model and a tool that allows Web users to define, execute, and manage lifecycles for any artifact available on the Web. In the paper we show the need for life...
Marcos Báez, Fabio Casati, Maurizio Marches...
ICPPW
2003
IEEE
16 years 4 days ago
Security Aspects of Wireless Heterogeneous Databases - Protocol, Performance, and Energy Analysis
Users have been demanding information “anytime, anywhere”. The notion of accessing diverse and autonomous information repositories with different APIs is not accepted. This ha...
Harshal Haridas, Ali R. Hurson, Yu Jiao
DBPL
1993
Springer
141views Database» more  DBPL 1993»
15 years 11 months ago
Some Properties of Query Languages for Bags
In this paper we study the expressive power of query languages for nested bags. We de ne the ambient bag language by generalizing the constructs of the relational language of Brea...
Leonid Libkin, Limsoon Wong
BMCBI
2006
119views more  BMCBI 2006»
15 years 7 months ago
LS-NMF: A modified non-negative matrix factorization algorithm utilizing uncertainty estimates
Background: Non-negative matrix factorisation (NMF), a machine learning algorithm, has been applied to the analysis of microarray data. A key feature of NMF is the ability to iden...
Guoli Wang, Andrew V. Kossenkov, Michael F. Ochs