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» Efficient algorithms for minimizing tree pattern queries
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PR
2006
76views more  PR 2006»
13 years 8 months ago
A pattern recognition-based approach for phylogenetic network construction with constrained recombination
The tree representation of evolutionary relationship oversimplifies the view of the process of evolution as it cannot take into account the events such as horizontal gene transfer...
M. A. H. Zahid, Ankush Mittal, Ramesh Chandra Josh...
TCBB
2010
144views more  TCBB 2010»
13 years 2 months ago
Querying Graphs in Protein-Protein Interactions Networks Using Feedback Vertex Set
Recent techniques increase rapidly the amount of our knowledge on interactions between proteins. The interpretation of these new information depends on our ability to retrieve kno...
Guillaume Blin, Florian Sikora, Stéphane Vi...
PVLDB
2008
154views more  PVLDB 2008»
13 years 7 months ago
Indexing land surface for efficient kNN query
The class of k Nearest Neighbor (kNN) queries is frequently used in geospatial applications. Many studies focus on processing kNN in Euclidean and road network spaces. Meanwhile, ...
Cyrus Shahabi, Lu-An Tang, Songhua Xing
DAGSTUHL
2004
13 years 9 months ago
The Priority R-Tree: A Practically Efficient and Worst-Case-Optimal R-Tree
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
Lars Arge, Mark de Berg, Herman J. Haverkort, Ke Y...
DEXAW
2008
IEEE
252views Database» more  DEXAW 2008»
14 years 2 months ago
XML Tree Structure Compression
In an XML document a considerable fraction consists of markup, that is, begin and end-element tags describing the document’s tree structure. XML compression tools such as XMill ...
Sebastian Maneth, Nikolay Mihaylov, Sherif Sakr