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EVOW
2008
Springer
13 years 10 months ago
A Study of Some Implications of the No Free Lunch Theorem
We introduce the concept of "minimal" search algorithm for a set of functions to optimize. We investigate the structure of closed under permutation (c.u.p.) sets and we c...
Andrea Valsecchi, Leonardo Vanneschi
AAAI
2010
13 years 10 months ago
Gaussian Mixture Model with Local Consistency
Gaussian Mixture Model (GMM) is one of the most popular data clustering methods which can be viewed as a linear combination of different Gaussian components. In GMM, each cluster ...
Jialu Liu, Deng Cai, Xiaofei He
CAINE
2008
13 years 10 months ago
An Inexpensive Terrain Awareness and Warning System for Small Aircraft
For pilots the importance of knowing their height (distance above the ground) cannot be minimized. An error in determining height can easily prove fatal. Commercial and military a...
Kim P. Martin, Dwight D. Egbert, Frederick C. Harr...
CSSW
2007
13 years 10 months ago
Weaving Space into the Web of Trust: An Asymmetric Spatial Trust Model for Social Networks
The proliferation of Geo-Information (GI) production in web-based collaboration environments such as mapping mashups built on top of mapping APIs such as GoogleMaps API poses new c...
Mohamed Bishr
ICWSM
2010
13 years 10 months ago
Tweeting from the Town Square: Measuring Geographic Local Networks
This paper examines tweets about two geographically local events--a shooting and a building collapse--that took place in Wichita, Kansas and Atlanta, Georgia, respectively. Most I...
Sarita Yardi, Danah Boyd