Sciweavers

464 search results - page 20 / 93
» On Support of Ordering in Multidimensional Data Structures
Sort
View
DAWAK
2006
Springer
15 years 5 months ago
Extending Visual OLAP for Handling Irregular Dimensional Hierarchies
Comprehensive data analysis has become indispensable in a variety of environments. Standard OLAP (On-Line Analytical Processing) systems, designed for satisfying the reporting need...
Svetlana Mansmann, Marc H. Scholl
ICML
2007
IEEE
16 years 2 months ago
Transductive support vector machines for structured variables
We study the problem of learning kernel machines transductively for structured output variables. Transductive learning can be reduced to combinatorial optimization problems over a...
Alexander Zien, Ulf Brefeld, Tobias Scheffer
ADBIS
2004
Springer
122views Database» more  ADBIS 2004»
15 years 6 months ago
Implementing a Query Language for Context-Dependent Semistructured Data
Abstract. In today’s global environment, the structure and presentation of information may depend on the underlying context of the user. To address this issue, in previous work w...
Yannis Stavrakas, Kostis Pristouris, Antonis Efand...
VLDB
2004
ACM
98views Database» more  VLDB 2004»
15 years 6 months ago
Top-k Query Evaluation with Probabilistic Guarantees
Top-k queries based on ranking elements of multidimensional datasets are a fundamental building block for many kinds of information discovery. The best known general-purpose algor...
Martin Theobald, Gerhard Weikum, Ralf Schenkel
CLUSTER
2003
IEEE
15 years 6 months ago
Optimized Implementation of Extendible Hashing to Support Large File System Directory
Extendible hashing is a kind of fast indexing technology; it provides with a way of storing structural data records so that each of them can be gotten very quickly. In this paper,...
Rongfeng Tang, Dan Meng, Sining Wu