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HICSS
2003
IEEE
220views Biometrics» more  HICSS 2003»
15 years 11 months ago
Applications of Hidden Markov Models to Detecting Multi-Stage Network Attacks
This paper describes a novel approach using Hidden Markov Models (HMM) to detect complex Internet attacks. These attacks consist of several steps that may occur over an extended pe...
Dirk Ourston, Sara Matzner, William Stump, Bryan H...
SIGMOD
2010
ACM
173views Database» more  SIGMOD 2010»
15 years 11 months ago
PR-join: a non-blocking join achieving higher early result rate with statistical guarantees
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
Shimin Chen, Phillip B. Gibbons, Suman Nath
DESRIST
2009
Springer
143views Education» more  DESRIST 2009»
15 years 11 months ago
Designing for complex innovations in health care: design theory and realist evaluation combined
Innovations in health care are often characterized by complexity and fuzzy boundaries, involving both the elements of the innovation and the organizational structure required for ...
Christina Keller, Klas Gäre, Mats Edenius, St...
COLT
1999
Springer
15 years 10 months ago
Beating the Hold-Out: Bounds for K-fold and Progressive Cross-Validation
The empirical error on a test set, the hold-out estimate, often is a more reliable estimate of generalization error than the observed error on the training set, the training estim...
Avrim Blum, Adam Kalai, John Langford
DAGM
2009
Springer
15 years 10 months ago
An Efficient Linear Method for the Estimation of Ego-Motion from Optical Flow
Abstract. Approaches to visual navigation, e.g. used in robotics, require computationally efficient, numerically stable, and robust methods for the estimation of ego-motion. One of...
Florian Raudies, Heiko Neumann