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» Dualizability and graph algebras
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PGLDB
2003
166views Database» more  PGLDB 2003»
13 years 9 months ago
ROSA: A Data Model and Query Language for e-Learning Objects
Learning Content Management Systems (LCMS) supports e-learning applications with storage and efficient access for e-learning objects (LO)s. ROSA is a LCMS built as a semantic laye...
Fabio Porto, Ana Maria de Carvalho Moura, Adriana ...
IJAHUC
2008
118views more  IJAHUC 2008»
13 years 7 months ago
Analysis models for unguided search in unstructured P2P networks
: Random walk and flooding are basic mechanisms for searching unstructured overlays. This paper shows that node coverage is an important metric for query performance in random grap...
Bin Wu, Ajay D. Kshemkalyani
CORR
2007
Springer
129views Education» more  CORR 2007»
13 years 7 months ago
A Tutorial on Spectral Clustering
In recent years, spectral clustering has become one of the most popular modern clustering algorithms. It is simple to implement, can be solved efficiently by standard linear algeb...
Ulrike von Luxburg
ENTCS
2007
110views more  ENTCS 2007»
13 years 7 months ago
Algorithmic Techniques for Maintaining Shortest Routes in Dynamic Networks
In this paper, we survey algorithms for shortest paths in dynamic networks. Although research on this problem spans over more than three decades, in the last couple of years many ...
Camil Demetrescu, Giuseppe F. Italiano
PVLDB
2008
118views more  PVLDB 2008»
13 years 7 months ago
XTCcmp: XQuery compilation on XTC
XTCcmp, the XQuery Compiler of a native XML database system, extends Starburst's well-known Query Graph Model to serve as an internal representation and basis for query restr...
Christian Mathis, Andreas M. Weiner, Theo Här...