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SIGGRAPH
1993
ACM
13 years 10 months ago
Global visibility algorithms for illumination computations
The most expensive geometric operation in image synthesis is visibility determination. Classically this is solved with hidden surface removal algorithms that render only the parts...
Seth J. Teller, Pat Hanrahan
TKDE
2010
148views more  TKDE 2010»
13 years 5 months ago
False Negative Problem of Counting Bloom Filter
—Bloom filter is effective, space-efficient data structure for concisely representing a data set and supporting approximate membership queries. Traditionally, researchers often b...
Deke Guo, Yunhao Liu, Xiang-Yang Li, Panlong Yang
TKDE
2012
253views Formal Methods» more  TKDE 2012»
11 years 9 months ago
Horizontal Aggregations in SQL to Prepare Data Sets for Data Mining Analysis
—Preparing a data set for analysis is generally the most time consuming task in a data mining project, requiring many complex SQL queries, joining tables and aggregating columns....
Carlos Ordonez, Zhibo Chen 0002
ICDE
2009
IEEE
170views Database» more  ICDE 2009»
14 years 8 months ago
Leveraging COUNT Information in Sampling Hidden Databases
A large number of online databases are hidden behind form-like interfaces which allow users to execute search queries by specifying selection conditions in the interface. Most of t...
Arjun Dasgupta, Nan Zhang, Gautam Das
KDD
2006
ACM
181views Data Mining» more  KDD 2006»
14 years 7 months ago
Cryptographically private support vector machines
We study the problem of private classification using kernel methods. More specifically, we propose private protocols implementing the Kernel Adatron and Kernel Perceptron learning ...
Helger Lipmaa, Sven Laur, Taneli Mielikäinen