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ADBIS
2000
Springer
188views Database» more  ADBIS 2000»
13 years 11 months ago
Algorithms for Rewriting Aggregate Queries Using Views
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
Sara Cohen, Werner Nutt, Alexander Serebrenik
ZUM
1997
Springer
125views Formal Methods» more  ZUM 1997»
13 years 11 months ago
A Formal OO Method Inspired by Fusion and Object-Z
We present a new formal OO method, called FOX, which is a synergetic combination of the semi-formal Fusion method and the formal specification language Object-Z. To manage complex...
Klaus Achatz, Wolfram Schulte
CSFW
2004
IEEE
13 years 10 months ago
The Consistency of Task-Based Authorization Constraints in Workflow Systems
Workflow management systems (WFMSs) have attracted a lot of interest both in academia and the business community. A workflow consists of a collection of tasks that are organized t...
Kaijun Tan, Jason Crampton, Carl A. Gunter
DSN
2004
IEEE
13 years 10 months ago
Verifying Web Applications Using Bounded Model Checking
The authors describe the use of bounded model checking (BMC) for verifying Web application code. Vulnerable sections of code are patched automatically with runtime guards, allowin...
Yao-Wen Huang, Fang Yu, Christian Hang, Chung-Hung...
CATS
2006
13 years 8 months ago
On the Logical Implication of Multivalued Dependencies with Null Values
The implication of multivalued dependencies (MVDs) in relational databases has originally been defined in the context of some fixed finite universe (Fagin 1977, Zaniolo 1976). Whi...
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