Sciweavers

5746 search results - page 239 / 1150
» Visualizing Query Structure
Sort
View
IV
2007
IEEE
184views Visualization» more  IV 2007»
16 years 28 days ago
Visual Data Mining of Web Navigational Data
Discovering web navigational trends and understanding data mining results is undeniably advantageous to web designers and web-based application builders. It is also desirable to i...
Jiyang Chen, Tong Zheng, William Thorne, Osmar R. ...
ISAAC
2004
Springer
121views Algorithms» more  ISAAC 2004»
16 years 16 hour ago
Approximate Distance Oracles for Graphs with Dense Clusters
Let G be a graph containing N disjoint t-spanners that are inter-connected with M edges. We present an algorithm that constructs a data structure of size O(M2 + n log n) that answ...
Mattias Andersson, Joachim Gudmundsson, Christos L...
DATESO
2008
131views Database» more  DATESO 2008»
15 years 8 months ago
Towards Cost-based Optimizations of Twig Content-based Queries
Abstract In recent years, many approaches to indexing XML data have appeared. These approaches attempt to process XML queries efficiently and sufficient query plans are built for t...
Michal Krátký, Radim Baca
COMPGEOM
2009
ACM
16 years 1 months ago
Cache-oblivious range reporting with optimal queries requires superlinear space
We consider a number of range reporting problems in two and three dimensions and prove lower bounds on the amount of space used by any cache-oblivious data structure for these pro...
Peyman Afshani, Chris H. Hamilton, Norbert Zeh
VISSYM
2007
15 years 9 months ago
Model-free Surface Visualization of Vascular Trees
Expressive and efficient visualizations of complex vascular structures are essential for medical applications, such as diagnosis and therapy planning. A variety of techniques has ...
Christian Schumann, Steffen Oeltze, Ragnar Bade, B...