Sciweavers

1458 search results - page 179 / 292
» System Model-Based Definition of Modeling Language Semantics
Sort
View
CIKM
2006
Springer
15 years 1 months ago
Text classification improved through multigram models
Classification algorithms and document representation approaches are two key elements for a successful document classification system. In the past, much work has been conducted to...
Dou Shen, Jian-Tao Sun, Qiang Yang, Zheng Chen
FM
2009
Springer
146views Formal Methods» more  FM 2009»
14 years 8 months ago
Verifying Real-Time Systems against Scenario-Based Requirements
Abstract. We propose an approach to automatic verification of realtime systems against scenario-based requirements. A real-time system is modeled as a network of Timed Automata (TA...
Kim Guldstrand Larsen, Shuhao Li, Brian Nielsen, S...
WEBDB
2005
Springer
151views Database» more  WEBDB 2005»
15 years 3 months ago
Constructing Maintainable Semantic Mappings in XQuery
Semantic mapping is one of the important components underlying the data sharing systems. As is known, constructing and maintaining such mappings both are necessary yet extremely h...
Gang Qian, Yisheng Dong
98
Voted
TCS
2008
14 years 10 months ago
Cryptographically-masked flows
Abstract. Cryptographic operations are essential for many security-critical systems. Reasoning about information flow in such systems is challenging because typical (noninterferenc...
Aslan Askarov, Daniel Hedin, Andrei Sabelfeld
ICDT
2010
ACM
194views Database» more  ICDT 2010»
15 years 3 days ago
Bag Equivalence of XPath Queries
When a query is evaluated under bag semantics, each answer is returned as many times as it has derivations. Bag semantics has long been recognized as important, especially when ag...
Sara Cohen, Yaacov Y. Weiss