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» The XML web: a first study
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IM
2006
13 years 7 months ago
Using PageRank to Characterize Web Structure
Recent work on modeling the web graph has dwelt on capturing the degree distributions observed on the web. Pointing out that this represents a heavy reliance on "local" p...
Gopal Pandurangan, Prabhakar Raghavan, Eli Upfal
MASCOTS
2003
13 years 9 months ago
A Packet-Level Simulation Study of Optimal Web Proxy Cache Placement
The Web proxy cache placement problem is often formulated as a classical optimization problem: place N proxies within an internetwork so as to minimize the average user response t...
Gwen Houtzager, Carey L. Williamson
EDBT
2008
ACM
159views Database» more  EDBT 2008»
14 years 7 months ago
Automaton in or out: run-time plan optimization for XML stream processing
Many systems such as Tukwila and YFilter combine automaton and algebra techniques to process queries over tokenized XML streams. Typically in this architecture, an automaton is fi...
Hong Su, Elke A. Rundensteiner, Murali Mani
ESWS
2008
Springer
13 years 9 months ago
Previewing Semantic Web Pipes
In this demo we present a first implementation of Semantic Web Pipes, a powerful tool to build RDF-based mashups. Semantic Web pipes are defined in XML and when executed they fetch...
Christian Morbidoni, Danh Le Phuoc, Axel Polleres,...
JCSS
2007
107views more  JCSS 2007»
13 years 7 months ago
On the minimization of XML Schemas and tree automata for unranked trees
Automata for unranked trees form a foundation for XML schemas, querying and pattern languages. We study the problem of efficiently minimizing such automata. First, we study unrank...
Wim Martens, Joachim Niehren