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DEBS
2011
ACM
14 years 1 months ago
DejaVu: a complex event processing system for pattern matching over live and historical data streams
This short paper provides an overview of the DejaVu complex event processing (CEP) system, with an emphasis on its novel architecture and query optimization techniques for correla...
Nihal Dindar, Peter M. Fischer, Nesime Tatbul
ICCS
2003
Springer
15 years 3 months ago
Data Driven Design Optimization Methodology: A Dynamic Data Driven Application System
Engineering design optimization using concurrent integrated experiment and simulation is a Dynamic Data Driven Application System (DDDAS) wherein remote experiment and simulation c...
Doyle D. Knight
DAWAK
2005
Springer
15 years 3 months ago
A Decremental Algorithm for Maintaining Frequent Itemsets in Dynamic Databases
Data mining and machine learning must confront the problem of pattern maintenance because data updating is a fundamental operation in data management. Most existing data-mining alg...
Shichao Zhang, Xindong Wu, Jilian Zhang, Chengqi Z...
CCS
1999
ACM
15 years 2 months ago
Password Hardening Based on Keystroke Dynamics
We present a novel approach to improving the security of passwords. In our approach, the legitimate user’s typing patterns (e.g., durations of keystrokes and latencies between ke...
Fabian Monrose, Michael K. Reiter, Susanne Wetzel
DIS
2000
Springer
15 years 2 months ago
A Practical Algorithm to Find the Best Subsequence Patterns
Given two sets of strings, consider the problem to find a subsequence that is common to one set but never appears in the other set. The problem is known to be NP-complete. We gene...
Masahiro Hirao, Hiromasa Hoshino, Ayumi Shinohara,...