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TC
2010
15 years 1 months ago
Model-Driven System Capacity Planning under Workload Burstiness
In this paper, we define and study a new class of capacity planning models called MAP queueing networks. MAP queueing networks provide the first analytical methodology to describe ...
Giuliano Casale, Ningfang Mi, Evgenia Smirni
COMPGEOM
2011
ACM
14 years 9 months ago
Reeb graphs: approximation and persistence
Given a continuous function f : X → IR on a topological space X, its level set f−1 (a) changes continuously as the real value a changes. Consequently, the connected components...
Tamal K. Dey, Yusu Wang
SIAMJO
2011
14 years 9 months ago
Rank-Sparsity Incoherence for Matrix Decomposition
Suppose we are given a matrix that is formed by adding an unknown sparse matrix to an unknown low-rank matrix. Our goal is to decompose the given matrix into its sparse and low-ran...
Venkat Chandrasekaran, Sujay Sanghavi, Pablo A. Pa...
SIGMOD
2012
ACM
203views Database» more  SIGMOD 2012»
13 years 8 months ago
Optimizing index for taxonomy keyword search
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
Bolin Ding, Haixun Wang, Ruoming Jin, Jiawei Han, ...
SIGMOD
2012
ACM
209views Database» more  SIGMOD 2012»
13 years 8 months ago
Locality-sensitive hashing scheme based on dynamic collision counting
Locality-Sensitive Hashing (LSH) and its variants are wellknown methods for solving the c-approximate NN Search problem in high-dimensional space. Traditionally, several LSH funct...
Junhao Gan, Jianlin Feng, Qiong Fang, Wilfred Ng