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» Summarization evaluation using relative utility
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DASFAA
2010
IEEE
176views Database» more  DASFAA 2010»
13 years 7 months ago
Efficient Database-Driven Evaluation of Security Clearance for Federated Access Control of Dynamic XML Documents
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
Erwin Leonardi, Sourav S. Bhowmick, Mizuho Iwaihar...
DSN
2008
IEEE
14 years 1 months ago
A recurrence-relation-based reward model for performability evaluation of embedded systems
Embedded systems for closed-loop applications often behave as discrete-time semi-Markov processes (DTSMPs). Performability measures most meaningful to iterative embedded systems, ...
Ann T. Tai, Kam S. Tso, William H. Sanders
ESWS
2008
Springer
13 years 9 months ago
Graph Summaries for Subgraph Frequency Estimation
A fundamental problem related to graph structured databases is searching for substructures. One issue with respect to optimizing such searches is the ability to estimate the freque...
Angela Maduko, Kemafor Anyanwu, Amit P. Sheth, Pau...
DEXAW
1998
IEEE
126views Database» more  DEXAW 1998»
13 years 11 months ago
An Extended Query Reformulation Technique Using Materialized Views
Materialized views offer opportunities for significant performance gain in query evaluation by providing fast access to pre-computed data. The question of when and how to use a ma...
Jae-young Chang, Sang-goo Lee
JCDL
2011
ACM
301views Education» more  JCDL 2011»
12 years 10 months ago
Archiving the web using page changes patterns: a case study
A pattern is a model or a template used to summarize and describe the behavior (or the trend) of a data having generally some recurrent events. Patterns have received a considerab...
Myriam Ben Saad, Stéphane Gançarski