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» Constraints over Ontologies
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COMCOM
2007
106views more  COMCOM 2007»
15 years 6 months ago
An ontology description for SIP security flaws
— Voice over IP (VoIP) services based on the Session Initiation Protocol (SIP) gain ground as compared to other protocols like MGCP or H.323. However, the open SIP architecture c...
Dimitris Geneiatakis, Costas Lambrinoudakis
CORR
2011
Springer
144views Education» more  CORR 2011»
14 years 10 months ago
Rewriting Ontological Queries into Small Nonrecursive Datalog Programs
Abstract. We consider the setting of ontological database access, where an Abox is given in form of a relational database D and where a Boolean conjunctive query q has to be evalua...
Georg Gottlob, Thomas Schwentick
SIGMOD
2003
ACM
171views Database» more  SIGMOD 2003»
16 years 6 months ago
Adaptive Filters for Continuous Queries over Distributed Data Streams
We consider an environment where distributed data sources continuously stream updates to a centralized processor that monitors continuous queries over the distributed data. Signif...
Chris Olston, Jing Jiang, Jennifer Widom
EDBT
2006
ACM
136views Database» more  EDBT 2006»
16 years 6 months ago
Optimizing Monitoring Queries over Distributed Data
Scientific data in the life sciences is distributed over various independent multi-format databases and is constantly expanding. We discuss a scenario where a life science research...
Frank Neven, Dieter Van de Craen
ISCAS
2002
IEEE
94views Hardware» more  ISCAS 2002»
15 years 11 months ago
Video transport over ad-hoc networks using multiple paths
Enabling video transport over ad-hoc networks is more challenging than over other wireless networks because a connection path in an ad-hoc network is highly error-prone and a path...
Shunan Lin, Yao Wang, Shiwen Mao, Shivendra S. Pan...