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VLDB
2004
ACM
134views Database» more  VLDB 2004»
15 years 11 months ago
Memory-Limited Execution of Windowed Stream Joins
We address the problem of computing approximate answers to continuous sliding-window joins over data streams when the available memory may be insufficient to keep the entire join...
Utkarsh Srivastava, Jennifer Widom
DMSN
2007
ACM
15 years 10 months ago
Declarative temporal data models for sensor-driven query processing
Many sensor network applications monitor continuous phenomena by sampling, and fit time-varying models that capture the phenomena's behaviors. We introduce Pulse, a framework...
Yanif Ahmad, Ugur Çetintemel
APNOMS
2006
Springer
15 years 10 months ago
A Seamless Service Management with Context-Aware Handoff Scheme in Ubiquitous Computing Environment
Abstract. Despite the importance of seamless connectivity in ubiquitous computing, research for seamless connectivity has not been considered properly. To provide seamless connecti...
Tae-Hoon Kang, Chung-Pyo Hong, Won-Joo Jang, Shin-...
CIDR
2007
100views Algorithms» more  CIDR 2007»
15 years 7 months ago
Database Cracking
Database indices provide a non-discriminative navigational infrastructure to localize tuples of interest. Their maintenance cost is taken during database updates. In this paper, w...
Stratos Idreos, Martin L. Kersten, Stefan Manegold
CCS
2010
ACM
15 years 6 months ago
The security of modern password expiration: an algorithmic framework and empirical analysis
This paper presents the first large-scale study of the success of password expiration in meeting its intended purpose, namely revoking access to an account by an attacker who has ...
Yinqian Zhang, Fabian Monrose, Michael K. Reiter