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» A Spectral Approach to Lower Bounds
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COMBINATORICA
2007
129views more  COMBINATORICA 2007»
13 years 7 months ago
Birth control for giants
The standard Erd˝os-Renyi model of random graphs begins with n isolated vertices, and at each round a random edge is added. Parametrizing n 2 rounds as one time unit, a phase tra...
Joel H. Spencer, Nicholas C. Wormald
ICDE
2006
IEEE
160views Database» more  ICDE 2006»
14 years 8 months ago
Surface k-NN Query Processing
A k-NN query finds the k nearest-neighbors of a given point from a point database. When it is sufficient to measure object distance using the Euclidian distance, the key to effici...
Ke Deng, Xiaofang Zhou, Heng Tao Shen, Kai Xu 0003...
OSDI
2002
ACM
14 years 7 months ago
Cooperative I/O: A Novel I/O Semantics for Energy-Aware Applications
In this paper we demonstrate the benefits of application involvement in operating system power management. We present Coop-I/O, an approach to reduce the power consumption of devi...
Andreas Weissel, Bjórn Beutel, Frank Bellos...
SIGMOD
2008
ACM
142views Database» more  SIGMOD 2008»
14 years 7 months ago
Cost-based variable-length-gram selection for string collections to support approximate queries efficiently
Approximate queries on a collection of strings are important in many applications such as record linkage, spell checking, and Web search, where inconsistencies and errors exist in...
Xiaochun Yang, Bin Wang, Chen Li
SIGMOD
2003
ACM
158views Database» more  SIGMOD 2003»
14 years 7 months ago
Processing Set Expressions over Continuous Update Streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In ...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...