Sciweavers

423 search results - page 71 / 85
» Evaluating TOP-K Queries over Business Processes
Sort
View
ACMICEC
2004
ACM
106views ECommerce» more  ACMICEC 2004»
14 years 2 months ago
Measuring e-government impact: existing practices and shortcomings
Public administrations of all over the world invest an enormous amount of resources in e-government. How the success of egovernment can be measured is often not clear. E-governmen...
Rob M. Peters, Marijn Janssen, Tom M. van Engers
CIKM
2010
Springer
13 years 7 months ago
Fast and accurate estimation of shortest paths in large graphs
Computing shortest paths between two given nodes is a fundamental operation over graphs, but known to be nontrivial over large disk-resident instances of graph data. While a numbe...
Andrey Gubichev, Srikanta J. Bedathur, Stephan Seu...
PVLDB
2008
116views more  PVLDB 2008»
13 years 8 months ago
Tighter estimation using bottom k sketches
Summaries of massive data sets support approximate query processing over the original data. A basic aggregate over a set of records is the weight of subpopulations specified as a ...
Edith Cohen, Haim Kaplan
MODELS
2007
Springer
14 years 3 months ago
A Metamodel-Based Approach for Analyzing Security-Design Models
Abstract We have previously proposed an expressive UML-based language for constructing and transforming security-design models, which are models that combine design specifications...
David A. Basin, Manuel Clavel, Jürgen Doser, ...
GI
2009
Springer
13 years 6 months ago
Service-oriented Event Assessment - Closing the Gap of IT Security Compliance Management
: Frequently, Security Monitoring is equated with network intrusion detection. However, Security Monitoring has a much broader scope. It also comprises detection of insider attacks...
Frederic Majer, Martin Nussbaumer, Dieter Riexinge...