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KDD
2002
ACM
189views Data Mining» more  KDD 2002»
15 years 10 months ago
Sequential PAttern mining using a bitmap representation
We introduce a new algorithm for mining sequential patterns. Our algorithm is especially efficient when the sequential patterns in the database are very long. We introduce a novel...
Jay Ayres, Jason Flannick, Johannes Gehrke, Tomi Y...
SIGGRAPH
1992
ACM
15 years 1 months ago
An importance-driven radiosity algorithm
We present a new radiosi[y algorithm for efficiently computing global solutions with respect to a constrained set of views. Radiosi ties of directly visible surfaces are computed ...
Brian E. Smits, James Arvo, David Salesin
WSDM
2010
ACM
259views Data Mining» more  WSDM 2010»
15 years 7 months ago
Revisiting Globally Sorted Indexes for Efficient Document Retrieval
There has been a large amount of research on efficient document retrieval in both IR and web search areas. One important technique to improve retrieval efficiency is early termina...
Fan Zhang, Shuming Shi, Hao Yan, Ji-Rong Wen
KDD
2006
ACM
228views Data Mining» more  KDD 2006»
15 years 10 months ago
Algorithms for time series knowledge mining
Temporal patterns composed of symbolic intervals are commonly formulated with Allen's interval relations originating in temporal reasoning. This representation has severe dis...
Fabian Mörchen
ICC
2009
IEEE
159views Communications» more  ICC 2009»
14 years 7 months ago
Improved Decision-Directed Recursive Least Squares MIMO Channel Tracking
This paper presents a comparative study of different Recursive Least Squares algorithms to track a Rayleigh flat fading MIMO channel. We investigate the effect of the initializatio...
Emna Eitel, Rana H. Ahmed Salem, Joachim Speidel