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SIGMOD
1996
ACM
151views Database» more  SIGMOD 1996»
15 years 10 months ago
BIRCH: An Efficient Data Clustering Method for Very Large Databases
Finding useful patterns in large datasets has attracted considerable interest recently, and one of the most widely st,udied problems in this area is the identification of clusters...
Tian Zhang, Raghu Ramakrishnan, Miron Livny
STOC
1989
ACM
117views Algorithms» more  STOC 1989»
15 years 10 months ago
On the Theory of Average Case Complexity
This paper takes the next step in developing the theory of average case complexity initiated by Leonid A Levin. Previous works Levin 84, Gurevich 87, Venkatesan and Levin 88] have...
Shai Ben-David, Benny Chor, Oded Goldreich, Michae...
EDUTAINMENT
2007
Springer
15 years 10 months ago
View-Dependent Hierarchical Foliage Simplification
High compression of plant geometry is an important aspect in fast realistic visualization of plants. Hierarchical structuring plant morphology is a key factor for real time plant r...
Qingqiong Deng, Xiaopeng Zhang, Marc Jaeger
CCS
2006
ACM
15 years 10 months ago
Resiliency policies in access control
We introduce the notion of resiliency policies in the context of access control systems. Such policies require an access control system to be resilient to the absence of users. An...
Ninghui Li, Mahesh V. Tripunitara, Qihua Wang
CGI
2006
IEEE
15 years 10 months ago
Highly Stylised Drawn Animation
Abstract. In this paper we argue for our NPAR system as an effective 2D alternative to most of NPR research which is focused on frame coherent stylised rendering of 3D models. Our ...
Fabian Di Fiore, Frank Van Reeth, John Patterson, ...