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CORR
2010
Springer
249views Education» more  CORR 2010»
13 years 7 months ago
Lower Bounds on Near Neighbor Search via Metric Expansion
In this paper we show how the complexity of performing nearest neighbor (NNS) search on a metric space is related to the expansion of the metric space. Given a metric space we loo...
Rina Panigrahy, Kunal Talwar, Udi Wieder
SIGMOD
2000
ACM
161views Database» more  SIGMOD 2000»
13 years 12 months ago
Answering Complex SQL Queries Using Automatic Summary Tables
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
Markos Zaharioudakis, Roberta Cochrane, George Lap...
CHI
1996
ACM
13 years 11 months ago
Silk from a Sow's Ear: Extracting Usable Structures from the Web
In its current implementation, the World-Wide Web lacks much of the explicit structure and strong typing found in many closed hypertext systems. While this property has directly f...
Peter Pirolli, James E. Pitkow, Ramana Rao
CONEXT
2007
ACM
13 years 11 months ago
The diameter of opportunistic mobile networks
Portable devices have more data storage and increasing communication capabilities everyday. In addition to classic infrastructure based communication, these devices can exploit hu...
Augustin Chaintreau, Abderrahmen Mtibaa, Laurent M...
TROB
2008
168views more  TROB 2008»
13 years 7 months ago
A Minimalistic Approach to Appearance-Based Visual SLAM
This paper presents a vision-based approach to SLAM in indoor / outdoor environments with minimalistic sensing and computational requirements. The approach is based on a graph repr...
Henrik Andreasson, Tom Duckett, Achim J. Lilientha...