Sciweavers

6495 search results - page 62 / 1299
» Modeling Multidimensional Databases
Sort
View
KDD
2009
ACM
379views Data Mining» more  KDD 2009»
14 years 2 months ago
MetaFac: community discovery via relational hypergraph factorization
This paper aims at discovering community structure in rich media social networks, through analysis of time-varying, multi-relational data. Community structure represents the laten...
Yu-Ru Lin, Jimeng Sun, Paul Castro, Ravi B. Konuru...
DAWAK
2007
Springer
14 years 4 months ago
Mining Top-K Multidimensional Gradients
Several business applications such as marketing basket analysis, clickstream analysis, fraud detection and churning migration analysis demand gradient data analysis. By employing g...
Ronnie Alves, Orlando Belo, Joel Ribeiro
ICDE
2011
IEEE
240views Database» more  ICDE 2011»
13 years 1 months ago
Similarity measures for multidimensional data
— How similar are two data-cubes? In other words, the question under consideration is: given two sets of points in a multidimensional hierarchical space, what is the distance val...
Eftychia Baikousi, Georgios Rogkakos, Panos Vassil...
SIGMOD
1998
ACM
140views Database» more  SIGMOD 1998»
14 years 2 months ago
Caching Multidimensional Queries Using Chunks
Caching has been proposed (and implemented) by OLAP systems in order to reduce response times for multidimensional queries. Previous work on such caching has considered table leve...
Prasad Deshpande, Karthikeyan Ramasamy, Amit Shukl...
SIGMOD
2004
ACM
144views Database» more  SIGMOD 2004»
14 years 10 months ago
Diamond in the Rough: Finding Hierarchical Heavy Hitters in Multi-Dimensional Data
Data items archived in data warehouses or those that arrive online as streams typically have attributes which take values from multiple hierarchies (e.g., time and geographic loca...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...