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» The Case for a Signal-Oriented Data Stream Management System
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SIGMOD
2010
ACM
186views Database» more  SIGMOD 2010»
15 years 4 months ago
Fast approximate correlation for massive time-series data
We consider the problem of computing all-pair correlations in a warehouse containing a large number (e.g., tens of thousands) of time-series (or, signals). The problem arises in a...
Abdullah Mueen, Suman Nath, Jie Liu
PSSS
2003
15 years 1 months ago
Representing Contextualized Data using Semantic Web Tools
: RDF-based tools promise to provide a base for reasoning about metadata and about situated data—data describing entities situated in time and space—that is superior to alterna...
Robert M. MacGregor, In-Young Ko
SACRYPT
1998
Springer
257views Cryptology» more  SACRYPT 1998»
15 years 4 months ago
Cryptanalysis of RC4-like Ciphers
Abstract. RC4, a stream cipher designed by Rivest for RSA Data Security Inc., has found several commercial applications, but little public analysis has been done to date. In this p...
Serge Mister, Stafford E. Tavares
CIKM
2009
Springer
15 years 6 months ago
Inverted indexes vs. bitmap indexes in decision support systems
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
Truls A. Bjørklund, Nils Grimsmo, Johannes ...
ICML
2003
IEEE
16 years 20 days ago
Exploration and Exploitation in Adaptive Filtering Based on Bayesian Active Learning
In the task of adaptive information filtering, a system receives a stream of documents but delivers only those that match a person's information need. As the system filters i...
Yi Zhang, Wei Xu, James P. Callan