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VISSYM
2007
15 years 9 months ago
Multi-Resolution Techniques for Visual Exploration of Large Time-Series Data
Time series are a data type of utmost importance in many domains such as business management and service monitoring. We address the problem of visualizing large time-related data ...
Ming C. Hao, Umeshwar Dayal, Daniel A. Keim, Tobia...
DAC
2003
ACM
16 years 7 months ago
An O(nlogn) time algorithm for optimal buffer insertion
The classic algorithm for optimal buffer insertion due to van Ginneken has time and space complexity O(n2 ), where n is the number of possible buffer positions. We present a new a...
Weiping Shi, Zhuo Li
VLDB
2007
ACM
179views Database» more  VLDB 2007»
16 years 6 months ago
Mining Approximate Top-K Subspace Anomalies in Multi-Dimensional Time-Series Data
Market analysis is a representative data analysis process with many applications. In such an analysis, critical numerical measures, such as profit and sales, fluctuate over time a...
Xiaolei Li, Jiawei Han
ICALP
2005
Springer
16 years 1 days ago
Facility Location in Sublinear Time
Abstract. In this paper we present a randomized constant factor approximation algorithm for the problem of computing the optimal cost of the metric Minimum Facility Location proble...
Mihai Badoiu, Artur Czumaj, Piotr Indyk, Christian...
FM
2001
Springer
108views Formal Methods» more  FM 2001»
15 years 11 months ago
Improvements in BDD-Based Reachability Analysis of Timed Automata
To develop efficient algorithms for the reachability analysis of timed automata, a promising approach is to use binary decision diagrams (BDDs) as data structure for the representa...
Dirk Beyer