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» The complexity of XPath query evaluation
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ADBIS
2005
Springer
124views Database» more  ADBIS 2005»
14 years 2 months ago
On Modal Deductive Databases
We present a query language called MDatalog, which is an extension of Datalog for multimodal deductive databases. We define modal relational algebras and give the seminaive evalua...
Linh Anh Nguyen
ICWS
2007
IEEE
13 years 10 months ago
A Platform for Context Aware Runtime Web Service Discovery
In this paper we describe a platform that supports context aware runtime service discovery. The platform supports service discovery based on structural and behavioural service mod...
George Spanoudakis, Khaled Mahbub, Andrea Zisman
EDBTW
2006
Springer
14 years 10 days ago
Hash-Based Structural Join Algorithms
Abstract. Algorithms for processing Structural Joins embody essential building blocks for XML query evaluation. Their design is a difficult task, because they have to satisfy many ...
Christian Mathis, Theo Härder
DAWAK
2010
Springer
13 years 9 months ago
Benchmarking Spatial Data Warehouses
Spatial data warehouses (SDW) enable analytical multidimensional queries together with spatial analysis. Mainly, three operations are related to SDW query processing performance: (...
Thiago Luís Lopes Siqueira, Ricardo Rodrigu...
SIGMOD
2008
ACM
161views Database» more  SIGMOD 2008»
14 years 8 months ago
Efficient pattern matching over event streams
Pattern matching over event streams is increasingly being employed in many areas including financial services, RFIDbased inventory management, click stream analysis, and electroni...
Jagrati Agrawal, Yanlei Diao, Daniel Gyllstrom, Ne...