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ICDCN
2009
Springer
13 years 9 months ago
Optimizing Multi-hop Queries in ZigBee Based Multi-sink Sensor Networks
Wireless sensor networks with multiple users collecting data directly from the sensors have many potential applications. An important problem is to allocate for each user a query r...
Bing Han, Gwendal Simon
DIAL
2006
IEEE
167views Image Analysis» more  DIAL 2006»
13 years 11 months ago
Tree clustering for layout-based document image retrieval
We describe a system for the retrieval on the basis of layout similarity of document images belonging to collections stored in digital libraries. Layout regions are extracted and ...
Simone Marinai, Emanuele Marino, Giovanni Soda
BMCBI
2006
150views more  BMCBI 2006»
13 years 5 months ago
TreeDyn: towards dynamic graphics and annotations for analyses of trees
Background: Analyses of biomolecules for biodiversity, phylogeny or structure/function studies often use graphical tree representations. Many powerful tree editors are now availab...
François Chevenet, Christine Brun, Anne-Lau...
VLDB
2005
ACM
85views Database» more  VLDB 2005»
13 years 10 months ago
Pattern Tree Algebras: Sets or Sequences?
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
Stelios Paparizos, H. V. Jagadish
SEBD
2003
159views Database» more  SEBD 2003»
13 years 6 months ago
Spatial Tree Logics to reason about Semistructured Data
The Ambient Logic is a modal logic proposed to describe the structural and computational properties of distributed and mobile computations. The static part of the Ambient Logic is,...
Giovanni Conforti, Giorgio Ghelli