266 search results - page 27 / 54 » On first-order topological queries |
GI
2004
Springer
14 years 28 days ago
2004
Springer
: This paper presents a data-centric and location-aware procedure to perform in-network evaluation of queries in sensor networks. The algorithm is a hybrid of geographic hash table...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
XACML has emerged as a popular access control language on the Web, but because of its rich expressiveness, it has proved difficult to analyze in an automated fashion. In this pape...
ICDM
2007
IEEE
14 years 1 months ago
2007
IEEE
The convergence of embedded sensor systems and stream query processing suggests an important role for database techniques, in managing data that only partially – and often inacc...
ECAI
1992
Springer
13 years 11 months ago
1992
Springer
We consider non-Horn Deductive Data Bases (DDB) represented in a First Order language without function symbols. In this context the DDB is an incomplete description of the world. ...
EJC
2008
13 years 7 months ago
2008
Abstract. Classes of graphs with bounded expansion are a generalization of both proper minor closed classes and degree bounded classes. Such classes are based on a new invariant, t...