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» Two Consistency Results on Set Mappings
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ACISICIS
2007
IEEE
16 years 19 days ago
A Composite Descriptor for Shape Retrieval
In this paper, a composite descriptor for shape retrieval has been proposed. The proposed descriptor is obtained from Generic Fourier Descriptors (GFD) for the shape region and th...
Atul Sajjanhar, Guojun Lu, Dengsheng Zhang, Wanlei...
APPROX
2007
Springer
115views Algorithms» more  APPROX 2007»
16 years 14 days ago
Improved Approximation Algorithms for the Spanning Star Forest Problem
A star graph is a tree of diameter at most two. A star forest is a graph that consists of node-disjoint star graphs. In the spanning star forest problem, given an unweighted graph ...
Ning Chen, Roee Engelberg, C. Thach Nguyen, Prasad...
OTM
2007
Springer
16 years 12 days ago
Modeling Data Federations in ORM
: Two major problems in constructing data federations (for example, data warehouses and database federations) concern achieving and maintaining consistency and a uniform representa...
Herman Balsters, Terry A. Halpin
IV
2005
IEEE
149views Visualization» more  IV 2005»
15 years 12 months ago
Visualisation Techniques for Users and Designers of Layout Algorithms
Visualisation systems consisting of a set of components through which data and interaction commands flow have been explored by a number of researchers. Such hybrid and multistage ...
Greg Ross, Alistair Morrison, Matthew Chalmers
KI
2006
Springer
15 years 6 months ago
Classification of Skewed and Homogenous Document Corpora with Class-Based and Corpus-Based Keywords
In this paper, we examine the performance of the two policies for keyword selection over standard document corpora of varying properties. While in corpus-based policy a single set ...
Arzucan Özgür, Tunga Güngör