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EUC
2007
Springer
13 years 10 months ago
GPS-Based Location Extraction and Presence Management for Mobile Instant Messenger
Abstract. Location is the most essential presence information for mobile users. In this paper, we present an improved time-based clustering technique for extracting significant lo...
Dexter H. Hu, Cho-Li Wang
DOLAP
2008
ACM
13 years 10 months ago
Data mining-based fragmentation of XML data warehouses
With the multiplication of XML data sources, many XML data warehouse models have been proposed to handle data heterogeneity and complexity in a way relational data warehouses fail...
Hadj Mahboubi, Jérôme Darmont
CAISE
2010
Springer
13 years 8 months ago
Dynamic Authorisation Policies for Event-Based Task Delegation
Task delegation presents one of the business process security leitmotifs. It defines a mechanism that bridges the gap between both workflow and access control systems. There are tw...
Khaled Gaaloul, Ehtesham Zahoor, François C...
WWW
2010
ACM
14 years 3 months ago
Collaborative location and activity recommendations with GPS history data
With the increasing popularity of location-based services, such as tour guide and location-based social network, we now have accumulated many location data on the Web. In this pap...
Vincent Wenchen Zheng, Yu Zheng, Xing Xie, Qiang Y...
ER
2005
Springer
200views Database» more  ER 2005»
14 years 2 months ago
How to Tame a Very Large ER Diagram (Using Link Analysis and Force-Directed Drawing Algorithms)
Abstract. Understanding a large schema without the assistance of persons already familiar with it (and its associated applications), is a hard and very time consuming task that occ...
Yannis Tzitzikas, Jean-Luc Hainaut