191 search results - page 25 / 39 » Online Aggregation over Trees |
ESA
1999
Springer
13 years 12 months ago
1999
Springer
This paper deals with the on-line allocation of shared data objects to the local memory modules of the nodes in a network. We assume that the data is organized in indivisible objec...
SAC
2005
ACM
14 years 1 months ago
2005
ACM
: This paper presents a system for induction of forest of functional trees from data streams able to detect concept drift. The Ultra Fast Forest of Trees (UFFT) is an incremental a...
ALGORITHMICA
2010
13 years 7 months ago
2010
Let A be a set of size m. Obtaining the first k m elements of A in ascending order can be done in optimal O(m + k log k) time. We present Incremental Quicksort (IQS), an algorith...
ASIAN
2007
Springer
14 years 1 months ago
2007
Springer
Extensive use of computer networks and online electronic data and high demand for security has called for reliable intrusion detection systems. A repertoire of different classifier...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
In this paper, we discuss challenges and provide solutions for capturing and maintaining accurate models of user profiles using semantic web technologies, by aggregating and shari...