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KDD
2007
ACM
165views Data Mining» more  KDD 2007»
16 years 7 months ago
Efficient and effective explanation of change in hierarchical summaries
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
Deepak Agarwal, Dhiman Barman, Dimitrios Gunopulos...
ASPLOS
2010
ACM
16 years 1 months ago
Request behavior variations
A large number of user requests execute (often concurrently) within a server system. A single request may exhibit fluctuating hardware characteristics (such as instruction comple...
Kai Shen
SIGIR
2009
ACM
16 years 1 months ago
On social networks and collaborative recommendation
Social network systems, like last.fm, play a significant role in Web 2.0, containing large amounts of multimedia-enriched data that are enhanced both by explicit user-provided an...
Ioannis Konstas, Vassilios Stathopoulos, Joemon M....
ER
2007
Springer
130views Database» more  ER 2007»
16 years 27 days ago
Towards Automated Reasoning on ORM Schemes
The goal of this article is to formalize Object Role Modeling (ORM) using the DLR description logic. This would enable automated reasoning on the formal properties of ORM diagrams,...
Mustafa Jarrar
MSWIM
2005
ACM
16 years 9 days ago
Getting urban pedestrian flow from simple observation: realistic mobility generation in wireless network simulation
In order for precise evaluation of MANET applications, more realistic mobility models are needed in wireless network simulations. In this paper, we focus on the behavior of pedest...
Kumiko Maeda, Kazuki Sato, Kazuki Konishi, Akiko Y...