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DEXA
2006
Springer
126views Database» more  DEXA 2006»
15 years 8 months ago
Hypersphere Indexer
Indexing high-dimensional data for efficient nearest-neighbor searches poses interesting research challenges. It is well known that when data dimension is high, the search time can...
Navneet Panda, Edward Y. Chang, Arun Qamra
KDD
2010
ACM
223views Data Mining» more  KDD 2010»
15 years 8 months ago
An efficient algorithm for a class of fused lasso problems
The fused Lasso penalty enforces sparsity in both the coefficients and their successive differences, which is desirable for applications with features ordered in some meaningful w...
Jun Liu, Lei Yuan, Jieping Ye
161
Voted
BNCOD
2007
121views Database» more  BNCOD 2007»
15 years 8 months ago
Indexing and Searching XML Documents Based on Content and Structure Synopses
We present a novel framework for indexing and searching schema-less XML documents based on concise summaries of their structural and textual content. Our search query language is X...
Weimin He, Leonidas Fegaras, David Levine
NIPS
2007
15 years 8 months ago
Consistent Minimization of Clustering Objective Functions
Clustering is often formulated as a discrete optimization problem. The objective is to find, among all partitions of the data set, the best one according to some quality measure....
Ulrike von Luxburg, Sébastien Bubeck, Stefa...
RIAO
2007
15 years 8 months ago
Discriminative Fields for Modeling Semantic Concepts in Video
According to some current thinking, a very large number of semantic concepts could provide researcher a novel way to characterize video and be utilized for video retrieval and und...
Ming-yu Chen, Alexander G. Hauptmann