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AMW
2010
13 years 8 months ago
Run-time Optimization for Pipelined Systems
Traditional optimizers fail to pick good execution plans, when faced with increasingly complex queries and large data sets. This failure is even more acute in the context of XQuery...
Riham Abdel Kader, Maurice van Keulen, Peter A. Bo...
DBSEC
2010
162views Database» more  DBSEC 2010»
13 years 8 months ago
Distributed and Secure Access Control in P2P Databases
The intent of peer data management systems (PDMS) is to share as much data as possible. However, in many applications leveraging sensitive data, users demand adequate mechanisms to...
Angela Bonifati, Ruilin Liu, Hui (Wendy) Wang
ICWS
2010
IEEE
13 years 8 months ago
WSExpress: A QoS-aware Search Engine for Web Services
Web services are becoming prevalent nowadays. Finding desired Web services is becoming an emergent and challenging research problem. In this paper, we present WSExpress (Web Servi...
Yilei Zhang, Zibin Zheng, Michael R. Lyu
DEXA
2010
Springer
180views Database» more  DEXA 2010»
13 years 8 months ago
Approximate Instance Retrieval on Ontologies
With the development of more expressive description logics (DLs) for the Web Ontology Language OWL the question arises how we can properly deal with the high computational complexi...
Tuvshintur Tserendorj, Stephan Grimm, Pascal Hitzl...
DEBU
2008
114views more  DEBU 2008»
13 years 7 months ago
Experiences with XQuery Processing for Data and Service Federation
In this paper, we describe our experiences in building and evolving an XQuery engine with a focus on data and service federation use cases. The engine that we discuss is a core co...
Michael Blow, Vinayak R. Borkar, Michael J. Carey,...