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» Relational Expressive Power of Constraint Query Languages
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SEBD
2003
159views Database» more  SEBD 2003»
13 years 9 months ago
Spatial Tree Logics to reason about Semistructured Data
The Ambient Logic is a modal logic proposed to describe the structural and computational properties of distributed and mobile computations. The static part of the Ambient Logic is,...
Giovanni Conforti, Giorgio Ghelli
LATA
2010
Springer
13 years 6 months ago
Language-Based Comparison of Petri Nets with Black Tokens, Pure Names and Ordered Data
We apply language theory to compare the expressive power of models that extend Petri nets with features like colored tokens and/or whole place operations. Specifically, we conside...
Fernando Rosa Velardo, Giorgio Delzanno
SIGMOD
2009
ACM
202views Database» more  SIGMOD 2009»
14 years 8 months ago
ZStream: a cost-based query processor for adaptively detecting composite events
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
Yuan Mei, Samuel Madden
EDBTW
2006
Springer
13 years 11 months ago
ActiveXQBE: A Visual Paradigm for Triggers over XML Data
Abstract. While XQuery is becoming a standard, the W3C is currently discussing the features of an update language for XML, and its requirements. Therefore, time is ripe for designi...
Daniele Braga, Alessandro Campi, Davide Martinengh...
TDM
2004
203views Database» more  TDM 2004»
13 years 9 months ago
Relational Algebra: Mother Tongue - XQuery: Fluent
This work may be seen as a further proof of the versatility of the relational database model. Here, we add XQuery to the catalog of languages which RDBMSs are able to "speak&...
Torsten Grust, Jens Teubner