Sciweavers

DBPL
2005
Springer
93views Database» more  DBPL 2005»
14 years 1 months ago
On the Expressive Power of XQuery Fragments
XQuery is known to be a powerful XML query language with many bells and whistles. For many common queries we do not need all the expressive power of XQuery. We investigate the eff...
Jan Hidders, Stefania Marrara, Jan Paredaens, Roel...
BIRTHDAY
2008
Springer
14 years 1 months ago
Some Results on the Expressive Power and Complexity of LSCs
Abstract. We survey some of the main results regarding the complexity and expressive power of Live Sequence Charts (LSCs). We first describe the two main semantics given to LSCs: a...
David Harel, Shahar Maoz, Itai Segall
DOOD
1991
Springer
107views Database» more  DOOD 1991»
14 years 3 months ago
Non-Determinism in Deductive Databases
This paper examines the problem of adding non-deterministic constructs to a declarative database language based on Horn Clause Logic. We revise a previously proposed approach, the...
Fosca Giannotti, Dino Pedreschi, Domenico Sacc&agr...
ILP
2000
Springer
14 years 3 months ago
Bayesian Logic Programs
First-order probabilistic models are recognized as efficient frameworks to represent several realworld problems: they combine the expressive power of first-order logic, which serv...
Kristian Kersting, Luc De Raedt
ICALP
2007
Springer
14 years 3 months ago
A Generalization of Cobham's Theorem to Automata over Real Numbers
Abstract. This paper studies the expressive power of finite-state automata recognizing sets of real numbers encoded positionally. It is known that the sets that are definable in th...
Bernard Boigelot, Julien Brusten
ESORICS
1994
Springer
14 years 3 months ago
On the Expressive Power of the Unary Transformation Model
The Transformation Model TRM was recently introduced 10 in the literature by Sandhu and Ganta. TRM is based on the concept of transformation of rights. The propagation of access ri...
Ravi S. Sandhu, Srinivas Ganta
UML
2001
Springer
14 years 4 months ago
On Querying UML Data Models with OCL
UML is the de-facto standard language for Object-Oriented analysis and design of information systems. Persistent storage and extraction of data in such systems is supported by dat...
David H. Akehurst, Behzad Bordbar
BIRTHDAY
2003
Springer
14 years 4 months ago
From CTL to Datalog
We provide a translation from CTL to Datalog¬ Succ. The translation has the following advantages: a) It is natural. b) It provides intuition to the expressive power of CTL and it...
Foto N. Afrati, Theodore Andronikos, Vassia Pavlak...
SEMWEB
2004
Springer
14 years 4 months ago
Small Can Be Beautiful in the Semantic Web
In 1984, Peter Patel-Schneider published a paper [1] entitled Small can be Beautiful in Knowledge Representation in which he advocated for limiting the expressive power of knowledg...
Marie-Christine Rousset
SEMWEB
2004
Springer
14 years 4 months ago
Query Answering for OWL-DL with Rules
Both OWL-DL and function-free Horn rules3 are decidable logics with interesting, yet orthogonal expressive power: from the rules perspective, OWL-DL is restricted to tree-like rule...
Boris Motik, Ulrike Sattler, Rudi Studer